8th International Conference on

Renewable Power Generation

(RPG 2019)

IET Conference Publications 764

Shanghai, China 24-25 October 2019

Volume 1 of 4

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Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2633 Email: [email protected] Web: www.proceedings.com TABLE OF CONTENTS

VOLUME 1

COORDINATED VOLTAGE AND REACTIVE POWER CONTROL SCHEME OF HVAC MESHED OFFSHORE GRID OF OFFSHORE WIND POWER PLANT AT KRIEGERS FLAK...... 1 Qiuwei Wu, T. Takarics, V. Akhmatov

INFLUENCE OF CIRCUIT BREAKER FEATURES ON SWITCHING OVERVOLTAGE OF 35KV SHUNT REACTOR ON NO-LOAD BUSBAR - I. THEORETICAL AND SIMULATING ANALYSIS ...... 9 Haojun Liu, Yiming Zheng, Wenjing Liu, Li Chen, Chaoao Wei, Zhi Yang, Xiang Sun, Lin Zhao

RESEARCH ON POWER DISPATCH BALANCE PROBLEM OF HIGH RENEWABLE ENERGY PENETRATION RATIO SYSTEM...... 14 Chi Li, Yuehui Huang, Chun Liu, Yuefeng Wang, Ming Zhou

AN ON-LINE MONITORING METHOD OF UHF PARTIAL DISCHARGE...... 20 Wang Yifan, Song Qihua, Gong Jinlong, Wang Zhaoqiang

STUDY ON RELIABILITY IMPROVEMENT OF CURRENT-TRANSFERRING TYPE HVDC CIRCUIT BREAKER ...... 27 Feng Xu, Yi Lu, Jianhua Li, Qian Chen, Peng Qiu, Daozhuo Jiang

ANALYSIS OF INTERACTION BETWEEN WIND TURBINES IN WIND FARM BASED ON SMALL SIGNAL MODEL OF DOUBLY-FED WIND TURBINE ...... 33 , Chang Yuanzhu, Chi Yongning, Tang Haiyan, Tian Xinshou

DEVELOPMENT AND APPLICATION OF SF6 INSULATED GIS TRUE DEFECT SIMULATION DEVICE ...... 37 Zhang Shiling

INFLUENCE OF CIRCUIT BREAKER FEATURES ON SWITCHING OVERVOLTAGE OF 35KV SHUNT REACTOR ON NO-LOAD BUSBAR - II. ONSITE TESTING AND COMPARISON ...... 43 Yiming Zheng, Chen Li, Mianzhi Wu, Zemin Wei, Chunyan Gong, Xiang Sun

MODEL OF LONG-TERM YIELD EVALUATION FOR PV STATION ...... 47 Yinghua Dong, Hongtao Li, Junjun Zhang, Fubao Wu, Mingchang Ding

THE PREEMPTIVE VIRTUAL IMPEDANCE BASED FAULT CURRENT LIMITING CONTROL FOR MMC-HVDC ...... 52 Jun Yan, Chengyong Zhao, Fan Zhang, Jianzhong Xu

POWER SYSTEM FAULT CHAIN SIMULATION MODEL CONSIDERING THE EFFECT OF GEOMAGNETIC STORM ...... 58 Xiaoning Kang, Yini Xu, Yagang Zhang

PILOT PROTECTION SCHEME FOR POLE-TO-GROUND FAULT IN DC DISTRIBUTION NETWORK...... 64 Shan Jiang, Chunju Fan, Ning Huang

OPTIMAL ALLOCATION OF SOFT OPEN POINTS IN DISTRIBUTION NETWORKS BASED ON CANDIDATE LOCATION OPITIMIZATION...... 70 Pengwei Cong, Zechun Hu, Wei Tang, Chengwei Lou

STUDY ON EQUIVALENCE OF MMC MODELING UNDER MULTI-DQ FRAMES AND HARMONIC STATE SPACE ...... 76 Zigao Xu, Binbin Li, Shiguang Zhang, Linjie Han, Junlin Hu, Dianguo Xu

ANGLE OF CURRENT WAVEFORM BASED PROTECTION FOR DC DISTRIBUTION SYSTEM ...... 82 Congbo Wang, Yi Qiang, Ke Jia, Tao Feng, Wei Li, Bohan Liu

A HIGH FREQUENCY HYBRID ACTIVE FILTER BASED ON SIC MOSFET ...... 87 Ke Zhou, Xiaoyin Qiu, Qingren Jin, Min Guo, Ge Zhang, Hao Qiu

INFLUENCE OF VIRTUAL INERTIA IN WIND TURBINES ON LARGE SCALE POWER GRID FREQUENCY CHARACTERISTICS ...... 93 Dawei Sun, Feng Zhao, Hui Liu, Yaohan Wang, Peng Song, Xiaosheng Wang

RESEARCH ON INFORMATION INTERACTION MECHANISM OF PLUG-AND-PLAY OF BATTERY ENERGY STORAGE SYSTEM ...... 99 Xie Jing, Lu Yu, Ye Qi, Zhang Jianting, Huang Wentao

OPERATION AREA CALCULATION AND PARAMETER ANALYSIS OF VIRTUAL SYNCHRONOUS MACHINE...... 108 Li Junjie, Zhou Jingjing, Shan Yang

MINIMISATION OF DISTRIBUTION FEEDER LOSS USING ANT COLONY OPTIMISATION APPLIED TO NETWORK RECONFIGURATION AND DISTRIBUTED GENERATIONS PLACEMENT...... 118 Boyi Zhang, Linghan Zhao, Fei Wang, Kuihua Wu, Rong Liang, Liang Feng, P. Crossley

SHORT-TERM PHOTOVOLTAIC POWER FORECASTING METHOD BASED ON K-MEANS ALGORITHM AND SPIKING NEURAL NETWORKS ...... 125 Biyun Chen, Hongbin Li, Kunlun Han

FAULTY LINE SELECTION BASED ON ACTIVE-INTERVENTION-TYPE ARC SUPPRESSION DEVICE VIA ADDITIONAL NEUTRAL RESISTANCE ...... 131 Kai Xu, Peng Wang, Fang Shi, Chunyan Bian

ECONOMIC FEASIBILITY ANALYSIS OF USING BATTERY ENERGY STORAGE TO REDUCE RENEWABLE GENERATION CURTAILMENT IN CSG ...... 137 Yang Hu, Changcheng Zhou, Zuanhong Yan, Peng Li, Xiyuan Ma, Jinyong Lei, Zhiyong Yuan

BUSINESS MODEL AND ECONOMIC ANALYSIS OF USER-SIDE BESS IN INDUSTRIAL PARKS IN CHINA...... 142 Changcheng Zhou, Yang Hu, Peng Li, Xiyuan Ma, Jinyong Lei, Zhiyong Yuan, Zuanhong Yan

EVALUATION OF TRANS-REGIONAL UHVDC TIELINE POWER OPTIMIZATION IN PROMOTING RENEWABLE ENERGY ACCOMMODATION ...... 148 Xiaofei Li, Yuehui Huang, Yuefeng Wang, Zhou Ming

STATE CLASSIFICATION OF TRANSFORMER IN THE RENEWABLE POWER GRID BASED ON PRINCIPAL COMPONENT ANALYSIS AND SUPPORT VECTOR MACHINE EVALUATION SYSTEM...... 154 Xinghua Liu, Peng Gao, Kecun Han, Xuebin Lv, Chao Yang, Tongping Xie, Yang Yu, Peng Sun, Hongshun Liu, Jian Guo

STATE EVALUATION METHOD AND CORRECTION OF OIL-IMMERSED TRANSFORMER IN THE RENEWABLE POWER GRID BASED ON BIG DATA ANALYSIS...... 161 Jian Guo, Hongshun Liu, A. Abdo, Xinghua Liu, Peng Gao, Kecun Han, Xuebin Lv, Chao Yang, Tongping Xie, Yang Yu, Peng Sun

A DYNAMIC DEFENSE-ATTACK GAME SCHEME WITH INCOMPLETE INFORMATION FOR VULNERABILITY ANALYSIS IN A CYBER-PHYSICAL POWER INFRASTRUCTURE...... 168 Boyo Gao, Libao Shi, Yixin Ni

RESEARCH ON THE SCHEME OF THE SAMPLE SYNCHRONIZATION SCHEME FOR OPTICAL DIFFERENTIAL PROTECTION SCHEME IN MERGE UNIT ...... 176 Li Bao-Wei, Ni Chuan-Kun, Dong Xin-Tao, Li Xu, Fang Zheng, Su Ya-Xin

FREQUENCY ENHANCEMENT OF GRID-FORMING INVERTERS UNDER LOW-SCR WEAK GRID...... 182 Yaran Li, Ke Meng, Zhao Yang Dong

DISTRIBUTED EQUILIBRIUM INTERACTIVE STRATEGY OF INTEGRATED ENERGY SYSTEM BASED ON DEMAND RESPONSE USING DUAL DECOMPOSITION METHOD...... 189 Yimin Zheng, Jun Xie, Xingying Chen

AN ALGORITHM FOR ANALYSING INFLUENCING FACTORS OF ANNUAL ELECTRICITY CONSUMPTION...... 197 Weiyuan Wang, Jinmin Cheng, Yi Sun, Jiliang Xue, Xuan Yu, Ziyuan Ren

RESEARCH ON ISLAND OPERATION OF SMALL SCALE HYDRO POWERED NETWORK WITH BACKTO-BACK MMC-HVDC...... 203 Zhenyu Gai, Fei Wang, Hui Li, Weiyong Jiang, Qichao Chen

ANALYSIS OF TRAVELING WAVE FRONT AND ITS APPLICATION IN FAULT LOCATION...... 210 Chenhao Zhang, Guobing Song, Ting Wang

GREEDY STRATEGY AND SELF-ADAPTIVE CROSSOVER OPERATOR BASED MONARCH BUTTERFLY OPTIMIZATION FOR SIMULTANEOUS INTEGRATION OF RENEWABLES AND BATTERY ENERGY STORAGE IN DISTRIBUTION SYSTEMS ...... 216 P. Singh, B. Singh, S. K. Bishnoi, N. K. Meena, Jin Yang

MODELING AND FORWARD SUPPRESSING STRATEGY OF CIRCULATING CURRENT IN MMC-HVDC...... 224 Hu Yinghong, Cai Wei, Long Kaihua, Zhang Jinglan, Zhao Yuan, Zhao Yankun

RESEARCH AND APPLICATION OF LARGE-SCALE RENEWABLE ENERGY CONTROL & MONITORING SYSTEM KEY TECHNOLOGIES...... 229 Junhua Zhang, Jinjiang Lan

FUZZY MODELLING OF POWER SYSTEM ECONOMIC DISPATCH INCORPORATING LOAD AND WIND GENERATION UNCERTAINTIES ...... 236 Kai Zhao, Libao Shi, Yixin Ni

VOLTAGE-FREQUENCY COUPLED TRANSIENT INSTABILITY ANALYSIS OF THE WEAK GRID-CONNECTED DFIG-BASED WIND PLANT DURING LVRT ...... 243 Jinxin Pei, Jun Yao, Peng Sun, Yuan Liu

SINGLE-PHASE-TO-GROUND FAULT DIAGNOSIS METHOD BASED ON WAVEFORM FEATURES AND ASSOCIATION RULE ALGORITHM ...... 249 Linlin Zhang, Kai Xu, Fang Shi, Yunbo Wang, Shuozheng Liu

STUDY ON PLL PARAMETER SECURITY REGION BASED ON GERSHGORIN DISC THEOREM AND IMPEDANCE METHOD ...... 254 Yina Ren, Lei Chen, Xiaohai Wang, Yong Min, Gang Li, Linke Wang, Yiwei Zhang, Lu Yin

MULTI-OBJECTIVE DISTRIBUTION NETWORK RECONFIGURATION WITH DG INTEGRATION USING IMPROVED FIREWORKS ALGORITHM...... 259 Zhihang Zhou, Libao Shi, Xiangyu Xu, Yixin Ni

A MULTI-CRITERIA DYNAMIC REACTIVE POWER OPTIMAL ALLOCATION METHOD BASED ON THE CHARACTERISTICS OF WEAK SENDING-END SYSTEM ...... 267 Zimo Xiang, Gengyin Li, Xu Zhu, Ming Zhou, Haiqiong Yi, Zengqiang Zhang, Chaoshan Xin

ADJUSTABLE ROBUST OPTIMAL POWER FLOW CONSIDERING RANDOM OUTPUT OF VARIOUS RENEWABLE ENERGY INTEGRATION IN COMPLEX THREE-PHASE DISTRIBUTION NETWORKS ...... 274 Yiqi Cao, Junwei Liu, Danping Wang

AGENT-BASED SIMULATION FOR ELECTRIC VEHICLE AGGREGATORS' BIDDING AND PRICING STRATEGY CONSIDERING RESERVE PROVISION...... 282 Luhua Xing, Pengfei Zhang, Qian Ai, Ning Zhou, Kang Zhao, Wenbo Li

POWER CONTROL PERFORMANCE EVALUATION OF WIND TURBINE BASED ON A HARDWARE-IN-THE-LOOP SIMULATION PLATFORM...... 288 Fenglin Miao, Qing Li, Jing He, Jinping Zhang

THE OPERATING ENVIRONMENT SUBSTITUTION-BASED FIELD TEST TECHNOLOGY OF UHVDC PROTECTION SYSTEM: PART 1 TEST SCHEME AND HARDWARE ENVIRONMENT SUBSTITUTION ...... 295 Xiangping Kong, Juan Li, Wenzhe Mei, Chi Zhang

THE OPERATING ENVIRONMENT SUBSTITUTION-BASED FIELD TEST TECHNOLOGY OF UHVDC PROTECTION SYSTEM: PART 2 SOFTWARE ENVIRONMENT SUBSTITUTION AND FIELD APPLICATION ...... 300 Xiangping Kong, Xinyue Gong, Zhihai Shu, Chenqing Wang

THE VISUALIZATION TECHNOLOGY OF THE UHVDC CONTROL AND PROTECTION SYSTEM BASED ON DEEP LEARNING...... 306 Xiangping Kong, Lei Gao, Peng Li

STUDY ON THE METHOD OF GRID PLANNING ON SPACE-TIME DISTRIBUTION OF POWER SYSTEM FREQUENCY...... 311 Zhicheng Sha, Shuang Dong, Chunping Zhu

DESIGN OF THE RENEWABLE PORTFOLIO STANDARDS BASED RENEWABLE ENERGY CERTIFICATE TRADING MECHANISM IN CHINA...... 318 Caixia Wang, Ziqian Li, Xiaoning Ye, Qionghui Li, Xuejiao Lei, Wei Yuan, Zhiyong Shi

RESEARCH ON STARTUP CIRCUIT PARAMETER SELECTION AND STARTUP CONTROL STRATEGY FOR MULTI-TERMINAL VSC HVDC SYSTEM...... 324 Ying Huang, Yuke Ji, Yuxin Lu, Weihuang Huang

ROBUST CO-PLANNING OF TRANSMISSION AND ENERGY STORAGE CONSIDERING UNCERTAINTY CORRELATION...... 331 Chengming Zhang, Haozhong Cheng, Heng Zhang, Zheng Wang, Jianzhong Lu, Xiaohu Zhang

PROTECTION ADAPTABILITY ANALYSIS IN VSC-HVDC-CONNECTED OFFSHORE WIND FARM SYSTEM...... 338 Junfei Han, Liming Zheng, Ke Jia, Yu Fang, Zhe Yang, Rui Chen

IMPACT OF THE ACCURACY OF NWP WIND SPEED FORECASTS ON WIND POWER FORECASTING...... 343 Yimei Wang, Yongqian Liu, Peng Song, Hui Liu, Zechun Hu

AN IMPROVED CUMULANT-BASED PROBABILISTIC ENERGY FLOW COMPUTATION METHOD FOR INTEGRATED ELECTRICITY AND NATURAL GAS SYSTEMS...... 350 Xiaoyang Deng, Pei Zhang, Hui Liu, Jinghan He, Linlin Wu, Xiao Wang, Yachao Wang

PILOT PROTECTION PRINCIPLE FOR HVDC TRANSMISSION LINES BASED ON CURRENT CORRELATION...... 357 Bo Yuan, Zhipeng Jing, Jingmao Zhang, Lijie Zhang, Shuai Tang, Chan Peng, Zhang Zhang, Ying Wang, Hua Shao, Liangdong Qin, Zhihui Dai

FACTORS AFFECTING FOR CONSUMER ATTRACTIVENESS TOWARDS NET METERED SOLAR PV TECHNOLOGY IN SRI LANKA ...... 363 S. Kumara, I. Mahakalanda

INTERHARMONICS CURRENT MITIGATION USING DC-APF FOR HIGH POWER EXTREMELY LOW FREQUENCY TRANSMISSION SYSTEM ...... 371 Qing Liu, Ming Zha, Zhiqing Luo, Hao Meng, Xiangtian Deng, Bingyang Luo, Guorong Zhu

TWO-TERMINAL FAULT LOCATION SCHEME BASED ON DISTRIBUTED PARAMETERS OF CABLE-OVERHEAD HYBRID TRANSMISSION LINE...... 378 Li Bao-Wei, Dong Xin-Tao, Wang Li, Wen Ming-Hao, Su Ya-Xin

A NOVEL POWER FORECASTING METHOD FOR DISTRIBUTED PV SYSTEM BASED ON FINITE DATA ...... 383 Hang Xu, Yuanpeng Zhang, Junen Li, Shuai Yuan, Xingong Cheng

A MULTI-PATTERN COORDINATIVE SCHEDULING FOR LARGE CAPACITY ENERGY STORAGE SYSTEM ...... 388 Zhi Cai, Yanfeng Ge, Jiawei Huang, Songjie Shi, Dan Xu, Cuihui Yan

DESIGN OF RENEWABLE ENERGY CERTIFICATES MARKET MECHANISM UNDER THE FRAMEWORK OF CHINA'S RENEWABLE PORTFOLIO STANDARDS ...... 395 Xiaofan Lin, Donghan Feng, Jiani Zeng, Yun Zhou, Chen Fang

ON DAMPING COUPLING OF SSO/SUPSO MODES AND OSCILLATION SUPPRESSION STRATEGY FOR LARGE SCALE RENEWABLE SOURCE GENERATION CONNECTED POWER GRIDS ...... 402 Shuitian Li, Tao Lin, Yibiao Sheng, Xialing Xu

MODELLING AND OPERATION OPTIMIZATION OF ELECTRICITY-GAS-HEAT INTEGRATED ENERGY SYSTEM CONSIDERING DEMAND RESPONSE AND WIND PENETRATION...... 407 Xiaojin Zhao, Yun Zhou, Jingyang Yun, Peichao Zhang, Zheng Yan, Donghan Feng

ARM CURRENT BALANCING CONTROL STRATEGY FOR MODULAR MULTILEVEL CONVERTERS UNDER GRID FAULT CONDITIONS ...... 415 Jinyu Wang, Yi Tang, Pengfeng Lin, Qian Xiao, Huan Qiu

REGIONAL COORDINATION CONTROL OF ACTIVE DISTRIBUTION NETWORK BASED ON MODEL PREDICTIVE CONTROL ...... 423 Wei Du, Dong Liu

HIGH IMPEDANCE FAULT DETECTION IN DISTRIBUTION NETWORK USING CONVOLUTIONAL NEURAL NETWORK BASED ON DISTRIBUTION-LEVEL PMU DATA ...... 430 Yongjie Zhang, Xiaojun Wang, Yiping Luo, Jinghan He, Bin Hua, Qin Xu

MONITORING BOND WIRE FATIGUE BASED ON MODELING OF IGBT MODULE ON- STATE VOLTAGE DROP...... 438 Yu Luo, Fei Wang, Xinyi Shu, Lijun Zhang, Xiaoqing Quan

SHORT-TERM WIND POWER PREDICTION BASED ON SINGULAR VALUE DECOMPOSITION AND MULTI-POSITION NWP...... 445 Tianmeng Liu, Lijie Wang, Zheng Wang, Bo Wang, Yin Lin, Daoshan Huang

ON-LINE DIAGNOSIS METHOD FOR TRANSFORMER WINDING DEFORMATION BASED ON RUNNING VOLTAGE AND CURRENT CORRELATION MINING...... 451 Yiming Zheng, Wenhao Wang, Chunyan Gong, Chen Li, Xiang Sun, Wei Du, Zhongsheng Hua

SUB-PARTS CONTROL PARAMETER FITTING METHOD OF VSC BASED ON RTDS...... 456 Peng Xu, Huan Xie, Tianqi Zha, Tao Wu

HIGH IMPEDANCE FAULT ANALYSIS AND LOCATION OF SINGLE-PHASE-TO-GROUND FAULT IN FEEDER WITH MULTIPLE DGS CONNECTIONS ...... 463 Xuan Ren, Bin Wang, Xinzhou Dong

REGIONAL ADAPTABILITY AND ECONOMIC EVALUATION BASED ON ELECTRIC VEHICLE POLICY ANALYSIS ...... 468 Xianyu Zhou, Dongsheng Yang, Bowen Zhou, Zhile Yang

CORRELATION ANALYSIS BETWEEN LOAD AND OUTPUT OF RENEWABLE ENERGY GENERATION BASED ON TIME-VARYING COPULA THEORY ...... 475 Zhang Mingze, Huang Yichao, Yuan Minghan, Wang Min, Sun Xinyuan

A DECISION-MAKING METHOD FOR BERTHED ELECTRIC-SHIPS BASED ON GENERALIZED NASH GAME ...... 482 Sidun Fang, Hongdong Wang, Ce Shang, Tianyang Zhao, Jiawei Lv

PHASE ANGLE COMPENSATION OF VIRTUAL IMPEDANCE FOR RESONANCE MITIGATION IN DFIG SYSTEM UNDER WEAK GRID ...... 489 Z. Din, Jianzhong Zhang, Zheng Xu, Yaqian Zhang

VIRTUAL INERTIA ONLINE CONTROL STRATEGY FOR DC GRID BASED ON VARIABLE DROOP COEFFICIENT ...... 497 Xiaoguang Huang, Ying Hong, Jianqiang Liu, Pengyu Jia

WIND TURBINE MECHANICAL LOAD ESTIMATION BASED ON ADAPTIVE NETWORK- BASED FUZZY INFERENCE SYSTEM...... 504 Ran Bi, Shiyao Qin, Xiaojing Ma, Deyi Fu, Wenzhuo Wang

COMBINED HEAT AND POWER ECONOMIC DISPATCH SOLUTION INCORPORATING WIND POWER UNCERTAINTY ...... 510 Yu Song, Libao Shi, Yixin Ni

A CONTROL STRATEGY FOR BATTERY ENERGY STORAGE SMOOTHING SHORT-TERM WIND POWER FLUCTUATION BASED ON ANN ...... 518 Zhan Shu, Xiaotao Peng, Yong Zhao, Siyu Huang, Zheng Zhang, Huaqu Li

HARMONIC CURRENT ASSESSMENT METHOD FOR WIND FARM EXCLUDING BACKGROUND HARMONICS...... 524 Jianli Li, Qing Li, Jinshuai Zhao, Jinping Zhang

FREQUENCY RESPONSE CHARACTERISTIC ANALYSIS OF SSCI FOR DFIG-BASED WIND FARMS CONSIDERING ROTOR SPEED CONTROL BASED ON COMPLEX TORQUE COEFFICIENTS METHOD ...... 529 Jicheng Zhou, Xiaotao Peng, Peng Luo, Kai Liang, Zhen Zhang, Jia Tang

INTEROPERABILITY ASSESSMENT OF MMC AND DRU CONNECTED OFFSHORE WINDFARMS IN MESHED MULTI-TERMINAL DC GRIDS...... 536 Lei Shi, P. Adam, Rui Li, Lie Xu

MULTI-OBJECTIVE OPTIMIZATION OF WIND TURBINE VIA CONTROLLERS COORDINATION AND SENSITIVITY ANALYSIS...... 543 Zhenyu Chen, Zhongwei Lin, Chuanxi Wang, Xiangyu Han, Gengda Li, Feng Hu, Zongming Si

IMPROVING OPERATION FEASIBILITY OF LOW-VOLTAGE DISTRIBUTION NETWORK BY PHASE-SWITCHING DEVICES...... 552 Bin Liu, Ke Meng, P. K. C. Wong, Zhao Yang Dong, Cuo Zhang, Bo Wang, Tian Ting, Qu Qi

TRANSIENT ENERGY ANALYSIS AND DISSIPATION OF A BIPOLAR MTDC WIND POWER INTEGRATING SYSTEM DURING MMC OUTAGE...... 558 Shuai Cao, Wang Xiang, Xiaojun Lu, Weixing Ling, Jinyu Wen

HIGH RESISTANCE GROUNDING FAULT FEEDER DETECTION IN A RESONANT GROUNDING SYSTEM BASED ON TRANSIENT CURRENT CORRELATION COEFFICIENT COMPARISON ...... 564 Xin Cui, Bin Wang, Xinzhou Dong

A COORDINATED CONTROL STRATEGY OF ELECTRIC SPRING BASED SMART LOAD TECHNOLOGY ...... 570 Xiao Luo, Yuying Shao, Yupeng Li, Peng Peng, Haifeng Wang, Jian Li

CIRCULATING CURRENT CONTROL SCHEME UNDER CAPACITOR AGING IN MODULAR MULTILEVEL CONVERTER...... 576 Qian Heng, Fujin Deng, Chengkai Liu, Qingsong Wang, Jianfei Chen

EXPLORING DEMAND SIDE FLEXIBILITY VIA SMART ENERGY HUB IN TWO-STAGE ELECTRICITY MARKETS ...... 583 Xuanyuan Wang, Tianmin Song, Jianxiao Wang, Zhaoyuan Wu, Yichi Zhang, Zhen Liu, Yonghua Song

POWER SYSTEM DYNAMIC ECONOMIC DISPATCH WITH MULTI-TYPE RENEWABLE ENERGY...... 589 Jizhong Zhu, Qiaobo Liu, Ziyu Chen, Shenglin Li, Tengyan Luo

VIRTUAL SYNCHRONOUS GENERATOR CONTROLLED MATRIX CONVERTER FOR GRID INTEGRATION IN DISTRIBUTED GENERATION AND MICROGRID...... 595 Jianwei Zhang, Haichen Chang, Tingting He, Na Zhang, Guangchen Liu

PARAMETERS IDENTIFICATION OF SYNCHRONOUS CONDENSER BASED ON TRAJECTORY SENSITIVITY ANALYSIS OF PARAMETERS AND PARTICLE SWARM ALGORITHM ...... 602 Jihao Wang, A. Wang, Zhiwei Cao, Wenbing Zhu, Chao Gu, Fuchun Sun, Shanhua Sun

DYNAMIC ECONOMIC DISPATCH SOLUTION CONSIDERING WIND SPEED DEPENDENCE OF MULTIPLE WIND FARMS ...... 608 Yating Zhou, Libao Shi, Yixin Ni

RESEARCH ON CONTROL STRATEGY OF LCC-MMC HYBRID HVDC SYSTEM ...... 615 Jianing Lv, Xiaohui Ye, Mingyu Yang, Ruihao Jiao

NONLINEARITY ASSESSMENT AND MODEL REDUCTION BASED ON GAP METRIC FOR WIND TURBINE PREDICTIVE CONTROL...... 621 Hongmin Meng, Xusheng Yang, Di Liu, Zhen Qiu, Bing Zhou, Gang Lv

RESEARCH ON SYSTEM CONDITIONS OF A 500KV NOVEL FAULT CURRENT LIMITER BASED ON HIGH COUPLED SPLIT REACTOR...... 628 Changyuan Xiang, Wenjia Xu, Zutao Xiang

ANALYSIS AND SIMULATION OF NEW DC POWER GRIDS FOR LARGE-SCALE CLEAN ENERGY INTEGRATION AND TRANSMISSION ...... 635 Ruihao Jiao, Jian Ding, Jianwen Ren, Jianing Lv, Xingpei Chen

THE IMPEDANCE MODELLING OF MMC FOR OSCILLATION ANALYSIS CONSIDERING CONTROL DYNAMICS AND DELAYS...... 641 Fan Zhang, Congqi Yin, Xiongping Yang, Yongjun Liu, Chao Hong, Xiaorong Xie

A FREQUENCY DIVISION CONTROL FOR HYBRID ENERGY STORAGE SYSTEM CONSIDERING THE UNBALANCED CURRENT RATE OF CHANGE IN DC MICRO-GRID ...... 647 Yuhan Zhang, Guiping Du, Yanxiong Lei, Tiansheng Zhu

EVALUATING AND OPTIMIZING THE EVENNESS OF POWER SYSTEM LOAD DISTRIBUTION...... 653 Weiqing Sun, Kunpeng Tian, Ce Yang, Dong Han, Wei Zhang, Peifeng Xi

GENERATION-GRID-STORAGE COORDINATED PLANNING METHOD WITH RENEWABLE PORTFOLIO STANDARD ...... 659 Kunpeng Tian, Weiqing Sun, Ce Yang, Dong Han, Wei Zhang, Peifeng Xi

DESIGN AND IMPLEMENTATION OF A UNIVERSAL GRID COMPUTING PLATFORM APPLICABLE TO OPTIMAL OPERATION OF POWER GRID ...... 666 Jialun Zhao, Libao Shi, Yixin Ni

AN ENERGY TRADING STRATEGY CONSIDERING THE PRIORITY OF RENEWABLE ENERGY AND ELECTRIC VEHICLES ...... 672 Hong Yuan, Huadong Zhang, Yong Hu, Dujiahao Fan, Chengfu Wang, Yong Wang

MULTI-OBJECTIVE OPTIMAL DISPATCH METHOD BASED ON SOURCE-NETWORK- LOAD-STORAGE INTERACTION SYSTEM FOR DC DISTRIBUTION NETWORK ...... 677 Ran Quan, Guoqing Li, Guobin Jin, Zhao Liu, Qing Chen

STUDY ON VOLTAGE SEGMENT CONTROL STRATEGY OF LARGE-SCALE RENEWABLE POWER BASE BASED ON HIERARCHICAL-PARTITIONED PRINCIPLE ...... 685 Chao Liu, Vuanyuan Su, Xi Li, Hongzhi Liu, Yan Li, Qing Li

VOLUME 2

POWER GRID FREQUENCY REGULATION PARTICIPATED BY PHOTOVOLTAIC GENERATION TO ADAPT TO DIFFERENT CONTROL MODES OF GRID-SIDE AGC...... 691 Gangui Yan, Wenbo Hu, Qi Jia, Dan Wang, Guoqing Zhou

DESIGN AND APPLICATION OF RTDS & GH BLADED COSIMULATION RESEARCH PLATFORM FOR DFIG WIND TURBINE...... 698 Haoshu Shao, Xu Cai, Gang Shi, Xiang Gao, Yao Qin, Yunfeng Cao, Jianwen Zhang, Fangquan Rao

RESILIENCE-ORIENTED OPERATION SCHEME FOR AC/DC DISTRIBUTION NETWORK INTEGRATED WITH DISTRIBUTED ENERGY STORAGE SYSTEM...... 706 Yin Hang, Liu Youbo, Li Qiang, Gao Hongjun, Xiang Yue, Liu Junyong

SYNERGETIC CONTROL BASED ON ROTOR SPEED REGULATION WITH VARIABLE PROPORTIONAL COEFFICIENT FOR DOUBLY-FED WIND TURBINES IMPLEMENTING VIRTUAL INERTIA SUPPORT ...... 712 Kai Liang, Xiaotao Peng, Jicheng Zhou, Ruiming Wang, Fucheng Li

RESEARCH ON SHORT-CIRCUIT CURRENT IMPROVEMENT ALGORITHM OF DOUBLY FED WIND FARM BASED ON LOW VOLTAGE RIDE THROUGH ...... 720 Yang Weiwei, Wang Shuohe, Gao Fei, Chang Yujian, Jin Ge

RESEARCH ON BACKGROUND HARMONIC EVALUATION OF UHV DC ACCESS CONSIDERING MUTUAL IMPEDANCE OF EXTERNAL NODES OF POWER GRID ...... 728 Zhenhua Lv, Mingming Shi, Weijia Tang, Shanshan Luo, Juntao Fei

STUDY ON FAULT PROCESS DIVISION OF WIND TURBINE ELECTRICAL MODEL VALIDATION ...... 733 Jianfang Tang, Qing Li, Ziyu Chen, Jing He

INDIVIDUAL PITCH CONTROL STRATEGY FOR A LOW WIND SPEED WIND TURBINE...... 740 P. Jiang, Z. Q. Gao, Y. Z. Wang, Q. L. Li, B. F. Xu

STUDY ON THE IMPACT OF COMMUNICATION NETWORK ON REACTIVE POWER CONTROL IN WIND FARM...... 747 Chunyan Li, Qing Li, Jinping Zhang, Fenglin Miao

QUANTITATIVE ANALYSIS OF TRANSIENT INTERACTION BETWEEN WIND FARMS...... 752 Jing He, Qing Li, Yuanzhu Chang, Jinping Zhang

REINFORCEMENT LEARNING DRIVEN SELF-OPTIMIZING OPERATION FOR DISTRIBUTED BATTERY ELECTRICAL STORAGE SYSTEM...... 758 Mingming Shao, Jingting Chen, Youbo Liu, Kunyu Zuo, Xiaodi Wang, Junyong Liu

SUB-SYNCHRONOUS OSCILLATION(SSO) ANALYSIS OF DIRECTDRIVEN PERMANENT MAGNET SYNCHRONOUS GENERATORS(DPMSG)CONSIDERING INFLUENCE OF PHASE- LOCKED LOOP(PLL) ...... 769 Zhang Xiaoyu, Li Yan, Tang Haiyan

CURRENT DECOUPLING CONTROL UNDER ASYMMETRICAL OPEN-CIRCUIT FAULTS OF DUAL THREE-PHASE PMSG...... 775 Yichang Gao, Gang Yao, Lidan Zhou

POWER CONTROL AND EXPERIMENT OF 2MW/10KV CASCADED H-BRIDGE POWER CONVERSION SYSTEM FOR BATTERY ENERGY STORAGE SYSTEM ...... 781 Kai Tian, S. Ali, Zhong Huang, Zhibin Ling

COMPARISON OF MODULATION AND POWER CONTROL BETWEEN MODULAR MULTILEVEL CONVERTER BASED LARGE SCALE BATTERY ENERGY STORAGE SYSTEM AND MMC-HVDC ...... 788 S. Ali, Kai Tian, Zhong Huang, Zhibin Ling

MODELING AND SIMULATION OF VIRTUAL SYNCHRONOUS GENERATOR FOR DFIG WIND TURBINE GENERATOR ...... 796 Qiongfeng Zhu, Ziyu Chen, Shouhong Feng, Yufeng Wang, Bowen Zhang, Weilin Li

RESEARCH ON SSO SUPPRESSION METHOD BASED ON REDUCED ORDER MODEL AND VARIABLE STRUCTURE CONTROL...... 803 Dechun Zang, Xin Zhao

REDUCED-ORDER MODEL OF VSC-HVDC APPLIED TO PASSIVE NETWORK BASED ON OPTIMAL REDUCTION ALGORITHM ...... 809 Ting Wang, Guobing Song, Lishuai Yin

MULTI-OBJECTIVE OPTIMAL SCHEDULING METHOD FOR REGIONAL PHOTOVOLTAIC- STORAGE-CHARGING INTEGRATED SYSTEM PARTICIPATING IN DEMAND RESPONSE ...... 817 Tiantian Jiang

A CONVEX MODEL FOR SHIPBOARD GRID FAULT RECONFIGURATION...... 825 Dali Wu, Sining Han, Huirui Zhang, Jun Yang, Xiangpeng Zhan

IDENTIFICATION METHOD OF THE HIGH-RESISTANCE SINGLE-PHASE DISCONNECTION FAULT IN DISTRIBUTION NETWORK BASED ON DISTRIBUTED MEASUREMENT ...... 830 Zhou Dai, Gang Wang, Kejun Li

AN EXTENDED KALMAN FILTERING BASED TIME-VARYING FUNDAMENTAL AND SUBSYNCHRONOUS FREQUENCY TRACKER...... 834 J. Shair, Wei Huang, Xiaorong Xie, , Min Cheng

EVALUATION METHOD OF POWER SYSTEM FLEXIBILITY FOR RENEWABLE ENERGY ACCOMMODATION...... 842 Kunpeng Tian, Weiqing Sun, Ce Yang, Dong Han, Wei Zhang, Peifeng Xi

AN IMPROVED FAULT RECOVERY STRATEGY FOR ACTIVE DISTRIBUTION NETWORK CONSIDERING LVRT CAPABILITY OF DG ...... 849 Yongji Cao, Weisheng Liu, Yi Zhang, Hengxu Zhang

MODELING AND ANALYSIS OF OPERATION BOUNDARY FOR CASCADED H-BRIDGE ENERGY STORAGE SYSTEM WITH INNER PHASE RAPID STATE OF CHARGE BALANCING ...... 856 Yunjun Ling, Kai Tian, Lin Zhu, Xuguang Li

RISK ASSESSMENT OF CASCADING FAILURE IN POWER GRID BASED ON BRITTLENESS THEORY OF COMPLEX SYSTEM AND ENTROPY THEORY UNDER GEOMAGNETIC STORM CONDITIONS...... 862 Xiaoning Kang, Yagang Zhang, Xinyue Zhang, Yini Xu, Xiaoyu Li, Yanlei Yuan

ANALYSIS ON STABILITY OF DC DISTRIBUTED POWER SYSTEM ...... 869 Benben Xiao, Xiaoyun Zhou, Xiaoxia Hu, Zhewei Diao

RESEARCH ON VOLTAGE STABILITY AND OPTIMAL OPERATION OF DC MICROGRID...... 875 Shuquan Chen, Zhaoyun Zhang, Zhi Zhang, Tianli Li

CIRCUIT THEORY-BASED METHOD FOR POWER LOSS ESTIMATION IN DISTRIBUTION SYSTEMS WITH DISTRIBUTED GENERATOR...... 880 Juntai Cui, Li Zhang, Boyi Zhang, Keqiang Li

WIND FARM ACTIVE VOLTAGE REGULATION STRATEGY OF TRANSIENT SUPPORT IMPROVEMENT...... 886 Cui Yang, Song Peng, Cheng Xuekun, Qiao Ying, Wang Xiaosheng, Liu Jingbo

MULTI-OBJECIVE LPV CONTROL OF WIND ENERGY CONVERSION SYSTEM UNDER WIDESCALE OPERATING CONDITIONS ...... 890 Chenzhi Qu, Zhongwei Lin, Zhen Xie, Yilin Li, Shangang Zhang, Xiongwei Li, Zhenqing Duan

IMPACT OF THE DC VOLTAGE CONTROL OF GRID-CONNECTED PMSG ON ELECTROMECHANICAL OSCILLATION STABILITY OF POWER SYSTEMS...... 897 Qingxi Sun, Wenjuan Du

ROBUST LOAD FREQUENCY CONTROL AND INTEGRATION OF ELECTRIC VEHICLES AND RENEWABLE ENERGY IN THE GRID...... 905 M. Khan, Haishun Sun, Yingmeng Xiang, Di Shi, Yuling Wang

AN EVALUATION METHOD OF FEEDER AUTOMATION FOR DISTRIBUTION NETWORK CONSIDERING DISTRIBUTED GENERATION ...... 911 Xiuru Wang, Gang Liu, Dong Qiu, Yong Lai, Wanshui Ling

RESEARCH ON PRICE MECHANISM OF ELECTRICAL ENERGY STORAGE POWER STATION FOR POWER GRID...... 917 Zhiyong Shi, Caixia Wang, Wei Yuan, Xuejiao Lei, Ziqian Li, Xiaoning Ye

STATE ESTIMATION IN DISTRIBUTION SYSTEM CONSIDERING RES UNCERTAINTIES WITH CORRELATIONS...... 922 Xingzhi Li, Bei Han, Guojie Li, Keyou Wang, Lin Feng, Chunning Wang

METHOD OF EMERGENCY DEGREE EVALUATION OF POWER GRID FREQUENCY RESPONSE ...... 929 Wang Liao, Dong Liu

ASSESSMENT OF VOLTAGE FLUCTUATIONS BASED ON WIND POWER FLUCTUATION CHARACTERISTICS ...... 937 Yufeng Guo, Qi Wang, Jilai Yu

IMPROVEMENT OF FREQUENCY STABILITY IN MICROGRIDS INTEGRATED WITH ELECTRIC VEHICLES BASED VIRTUAL INERTIA CONTROL...... 943 H. Ali, G. Magdy, Binbin Li, Dianguo Xu

RESEARCH ON EFFICIENCY INCREASE OF THE AUTOMATIC VOLTAGE CONTROL SYSTEM IN SHANGHAI URBAN POWER GRID...... 949 Chen Sun, Jie Xu, Bin Cai, Zhenrui Yang, Xiaofu Li

OPTIMIZATION OF ACTIVE POWER CONTROL STRATEGY FOR WIND FARM...... 955 Yi Fan, Jinping Zhang, Qing Li, Mei Zhang, Shunlai Wang

FORECAST OF POWER QUALITY DISTURBANCE EVENTS IN URBAN DISTRIBUTION NETWORKS INCORPORATING WEATHER CONDITIONS ...... 961 Fei Xiao, Wen Xiong, Qian Ai, Yufan Zhang, Mingli Wu

RESEARCH ON TRANSIENT OVERVOLTAGE OF TRANSMISSION LINES COMBINED WITH 500 KV XLPE SUBMARINE CABLE AND OVERHEAD LINE...... 967 Lin Zhao, Liya Ye, Yong Yang, Te Li, Peng Jiang, Ning Xu, Naiyi Li

ANALYSIS AND RESEARCH ON NETWORK SECURITY VULNERABILITIES OF RENEWABLE ENERGY FIELD STATIONS ...... 972 Peng Wang, Junfei Han, Chaoyu Yu

RESEARCH ON CONTROL SCHEME OF SINGLE PHASE HIGH EFFICIENCY BRIDGELESS PFC BASED ON GAN ...... 976 Kang Jun

THE INFLUENCE OF WIND/PV GENERATION UNCERTAINTIES ON POWER SYSTEM LOW FREQUENCY OSCILLATION...... 980 Daoming Liu, Libao Shi, Yixin Ni

A TEST METHOD FOR UHVDC PROTECTION BASED ON WIDE AREA INFORMATION SYNCHRONIZATION ...... 988 Chenqing Wang, Xiangping Kong, Peng Li, Lei Gao

DECENTRALIZED GENERATION-STORAGE-LOAD COORDINATION CONTROL FOR DC MICROGRID ...... 992 Qing Chen, Haitao Liu, Zeyan Lv, Yong Zhang, Miao Yu, Wei Wei

THE OPTIMAL OPERATION OF POWER-HEAT-GAS SYSTEM WITH STORAGE AND WIND GENERATION...... 997 Xunjie Wang, Zhenjiang Yu, Xi Chen, Tao Wang, Van Wang, Hainan Zhu, Donglei Sun, Chengfu Wang, Jun Liang

WIND TURBINE WAKE SIMULATION BASED ON IMPROVED ACTUATOR DISK CONSIDERING NACELLE AND TOWER...... 1002 Ning Li, Yongqian Liu, Hao Zhao, Ling Yuan, Li Li, Shuang Han, Hang Meng

RESEARCH ON HVAC'S OPERATION STRATEGY FOR FREQUENCY REGULATION UNDER INTEGRATED COORDINATION CONTROL ...... 1008 Jianlin Yang, Sisi Ma, Mingxing Guo, Haiqun Wang, Tao Yu, Cen Xiong

ANALYSIS ON THE CONTRIBUTION OF FACTORS AFFECTING THE TOTAL CITY ENERGY CONSUMPTION...... 1015 Wang Linyu, Guo Lei, Ma Yahui, Zhou Jiawei

ANALYSIS ON THE VSC BASED CONTROLLER FOR DAMPING SSR IN MULTI- GENERATOR SYSTEM ...... 1021 Xiaotian Yuan, Shuai Gao, Yizhen You, Xiaofang Wu, Yunsheng Wu, Guihong Wu, Feng Zeng, Zhengchun Du

A SMOOTH LVRT SWITCHING CONTROL METHOD FOR DOUBLY-FED SELF- SYNCHRONOUS GENERATOR...... 1027 Zhuang Shenglun, Guo Liang, S. Sujuan, Ji Xiaoqing, Qu Xinhong

SECURITY-CONSTRAINED TRANSMISSION EXPANSION PLANNING CONSIDERING HIGH PROPORTION OF WIND POWER AND NATURAL DISASTERS...... 1033 Jing Zhou, Dundun Liu, Haozhong Cheng, Heng Zhang, Shenxi Zhang, Jianping Zhang, Xiaohu Zhang

HARMONIC STATE SPACE IMPEDANCE MODEL OF MMC CONSIDERING INTERNAL IMPEDANCE OF AC AND DC GRID...... 1039 Shiguang Zhang, Binbin Li, Zigao Xu, Dianguo Xu

ANALYSIS OF LOW HARMONIC WINDINGS FOR HIGH-SPEED PERMANENT MAGNET MACHINES ...... 1045 Shuaijun Chu, Deliang Liang, Shaofeng Jia, Yang Liang, Yibin Liu

RESEARCH ON MAXIMUM POWER POINT TRACKING CONTROL METHOD OF WIND TURBINE BASED ON CORRECTED WIND SPEED...... 1050 Zixin Chen, Yanhui Qiao, Shuang Han, Yonggian Liu, Jie Yan, Li Li

A FREQUENCY-SEPARATED STRATEGY FOR THE INTEGRATION OF DIFFERENT TYPES OF ELECTRIC VEHICLES INTO GRID FREQUENCY REGULATION...... 1056 Dongrui Zhang, Yufeng Guo, Yan Shen

STUDY ON KROGSTAD WIND TUNNEL EXPERIMENT BY ACTUATOR LINE MODEL CONSIDERING NACELLE EFFECT...... 1062 Li Li, Hang Meng, Shuang Han, Ling Yuan, Yunjia Yang, Yongqian Liu

EVALUATION OF WIND POWER OPERATING CAPACITY CREDIT CONSIDERING PREDICTION ERROR ...... 1067 Yanxin Song, Shuang Han, Tonghui Qu, Yongqian Liu, Jie Yan, Li Li

PARTIAL DISCHARGE ANALYSIS OF INSULATORS IN TRANSMISSION LINES IN COASTAL HEAVY POLLUTION AREAS ...... 1073 Qingfeng Wen, Longji Li, Xiaoguang Xi, Zhijian Li, Xiaoguang Wang, Chi Zhang, Hao Wang

MITIGATION OF SUBSYNCHRONOUS OSCILLATION IN THE LARGE-SCALE WIND ENERGY TRANSMISSION SYSTEM WITH HVDC LINK BASED ON THE LOCAL GAIN- VARYING CONTROL ...... 1078 Yang Na, Wang Xitian, Yang Bingdeng, Xie Da

CONFIDENCE INTERVAL BASED DISTRIBUTIONALLY ROBUST REAL-TIME DISPATCH CONSIDERING WIND POWER UNCERTAINTY ...... 1084 Peng Li, Ming Yang, Jiajun Yang, Pingjing Du, Fangqing Yan, Yi Zhu

ROBUST DECENTRALIZED COORDINATED CONTROLLER DESIGN CONSIDERING UNCERTAINTIES OF WIND POWER ...... 1090 Shiyun Xu, Lei Gao, Bing Zhao, Jingtian Bi, Shihui Fang, Yanhong Jiang, Lujie Chen

EVALUATION MODEL OF POWER GENERATION PERFORMANCE FOR WIND TURBINE BASED ON ENTROPY WEIGHT METHOD AND CONTINGENCY THEORY...... 1096 Yongqian Liu, Hongjun Wang, Zixin Chen, Shuang Han, Li Li, Jie Yan

REAL-TIME SPINNING RESERVE ALLOCATION METHOD CONSIDERING FORECAST ERRORS AND CONTINGENCIES ...... 1104 Fan Wu, Yun Zhou, Donghan Fen, Cheng Fang

CLUSTER CONTROL RESEARCH OF DC-TYPE DISTRIBUTED GENERATORS BASED ON MULTIMICROGRIDS TECHNOLOGY UNDER DC DISTRIBUTION SYSTEM ...... 1112 Xiong Xiong, Ji Yu, Ding Baodi, Zhang Ying, Wu Ming

THE DETECTION METHOD OF WIND TURBINE OPERATION OUTLIERS BASED ON MUTIDIMENSIONAL CLUSTER...... 1117 Yongqian Liu, Qian Liu, Shuang Han, Jie Yan, Li Li

RESILIENCE-ORIENTED MULTI-ENERGY COMPLEMENTARY MICROGRID ROBUST OPTIMAL OPERATION STRATEGY CONSIDERING THE UNCERTAINTY ...... 1124 Jun Wang, Xiaodong Zheng, Nengling Tai, Zengli Yang, Jing Wang, Wei Wei, Lingfang Li

SIMULATION RESEARCH OF WIND TURBINE FREQUENCY MODULATION BASED ON DIFFERENT WIND POWER PENETRATION LEVELS ...... 1131 Xiwang Xu, Lu Sun, Ning An, Fang Li, Lining Su, Xiaohui Qin

A NOVEL VARIABLE SPEED CONSTANT FREQUENCY GENERATION SYSTEM FOR STEAM TURBINE AND BOILER FEED PUMP...... 1139 Jieyuan Tan, Jianwen Zhang, Gang Shi, Zhenkun Xiao, Jian Xu

COMPARISON OF MARKET-INCENTIVE MECHANISMS BASED ON PEAK REGULATION ECONOMY OF THERMAL POWER UNITS...... 1145 Yufeng Guo, Mengqi Pan, Xinlei Wang, Tong Xu, Xueqin Tian

IMPROVED STOCHASTIC POWER FLOW ALGORITHM BASED ON DISCRETE-NORMAL STACKING OF CUMULANTS...... 1150 Yanshuo Wang, Kuihua Wu, Liang Feng, Rong Liang, Long Zhao, Lei Song, Tianyi Wang

OVERVIEW OF ADAPTIVE RECLOSING TECHNIQUE AND THE CHALLENGE FACED IN AC/DC HYBRID POWER GRID ...... 1156 Xin Jia, Bin Wang, Bin Yu, Min Xie, Changchun Dai, Xiaoping Cheng, Dong Wang, Xinzhou Dong

OPTIMAL SCHEDULING METHOD FOR WIND POWER ACCOMMODATION BASED ON WIND-NUCLEAR COORDINATION...... 1163 Jun Wang, Mingze Zhang, Cheng Qiu, Xincong Li, Yinong Li

A NOVEL FREQUENCY REGULATION CONTROL STRATEGY BASED ON THE EXTERNAL CHARACTERISTICS OF PV GENERATION...... 1170 Gangui Yan, Dan Wang, Qi Jia, Wenbo Hu, Guoqing Zhou

IMPACT MECHANISM OF TURBINE CONTROL OF DFIG-BASED WIND TURBINES ON DAMPING OF POWER SYSTEM OSCILLATIONS...... 1176 Xiaojie Zhang, Wei He, Jiabing Hu, Longfei Wang

DAY-AHEAD OPTIMAL SCHEDULING OF DISTRICT-LEVEL INTEGRATED ENERGY SYSTEM CONSIDERING DATA CENTRE...... 1183 Jiawei Lv, Shenxi Zhang, Yi Song, Kai Yuan, Haozhong Cheng, Sidun Fang, Heng Zhang, Chengming Zhang

STABILITY-CONSTRAINED OFFSHORE TRANSMISSION PLANNING FOR LARGE-SCALE REMOTE WIND FARM ...... 1189 Yilun Sun, Ke Meng, Wang Zhang, Jingjie Huang, Liang Yuan, Joe Dong

COORDINATED REACTIVE-LOAD COMPENSATION METHOD FOR DISTRIBUTED NETWORK...... 1197 Qi Liu, Lei Su, Weipeng Liang, Pei Sun, Jingning Yang

A FITTED MODEL PREDICTIVE CONTROL APPROACH FOR REAL-TIME POLICY MAKING OF MICROGRID ENERGY SYSTEM...... 1203 Wen Xiong, Li Wang, Fei Xiao, Qian Ai, Ying Cai, Junge Li, Shunqi Zeng, Yufan Zhang

THE INFLUENCE OF POWER LOSS ON ASYNCHRONOUS GRID AND CALCULATION OF ASSEMBLE POWER ...... 1208 Yufeng Guo, Zuo Wang, Bo Li, Jianing Liu

ANALYSIS OF IMPACT OF GROUNDING-POLE CURRENT-LIMITING REACTOR ON FAULT DETECTION OF MMC BASED DC GRIDS ...... 1213 Saizhao Yang, Wang Xiang, Jinyu Wen

A COMPREHENSIVE DECISION-MAKING METHOD FOR COORDINATED TRANSMISSION AND DISTRIBUTION NETWORK PLANNING ...... 1219 Qianwei Zheng, Ju Liu, Dongjun Yang, Xizhen Xue, Jiakun Fang, Wei Yao, Xiaomeng Ai

ANALYSIS AND COMPARISON OF POWER QUALITY AND INTER-PHASE CIRCULATION FOR ONE-STAGE AND TWO-STAGE MODULAR BATTERY ENERGY STORAGE SYSTEM ...... 1225 Zhong Huang, Kai Tian, S. Ali, Zhibin Ling

MODELING AND APPLICATION OF HARMONIC TRANSFER AND AMPLIFICATION ANALYSIS OF HVDC TRANSMISSION ...... 1232 Dui Liu, H. X. Li, X. Z. Cai

DYNAMIC ASSESSMENT METHOD FOR REACTIVE POWER OF DFIG...... 1238 Yongqian Liu, Fuxing Lai, Jie Yan, Fei Zhang, Zixin Chen

RESEARCH ON OVERCURRENT SUPPRESSION STRATEGY OF TRUE BIPOLAR MMC- HVDC SINGLE POLE BLOCKING BRIDGE ARM...... 1244 Mengyan Ma, Yingbiao Li, Shanshan Wang, Panbo Yang, Lixia Zhang

A METHOD FOR MULTI-VSC INTERACTION ANALYSIS BASED ON CURRENT EXCITATION AND VOLTAGE RESPONSE IN CURRENT ...... 1250 Sheng Li, Meiqing Zhang, Xiaoming Yuan

THE EVALUATION OF WIND POWER TIME SERIES MULTI-SCALE MODELING METHODS ...... 1256 Yingjun Zhuo, Lin Guan, Xunsong Zhan, Baorong Zhou, Yujie Yan

COORDINATED SCHEDULING AND OPTIMAL CONTROL OF ALL-ELECTRIC SHIP ENERGY SYSTEM BASED ON MIXED LOGICAL DYNAMIC METHOD...... 1263 Guanhong Chen, Dong Liu, Lixia Yan

RESEARCH ON OPTIMIZATION CONFIGURATION OF M-SMES IN MICRO-GRID WITH RENEWABLE ...... 1270 Minghan Gao, Yuanyuan Li, Jing Shi

MULTI-MICROGRID COORDINATE DISPATCHING OF MULTI-TIME SCALE SOURCE- LOAD SUPPLY AND DEMAND INTERACTION BASED ON MASTER-SLAVE GAME THEORY...... 1277 Guangyin Mei, Jinxia Gong

CCF EARLY WARNING METHOD OF LCC-HVDC BASED ON XGBOOST ALGORITHM ...... 1284 Zhizhong Li, Bin Wang, Haigang Wang, Bin Yu, Min Xie, Shi Chen, Xinzhou Dong

APPLICATION AND COMPARISON OF TWO HEATELECTRICITY RATIO REGULATION MODES IN REGIONAL INTEGRATED ENERGY SYSTEMS...... 1290 Liying Liu, Gengyin Li, Ming Zhou

ANOMALY DETECTION FOR POWER SYSTEM FORECASTING UNDER DATA CORRUPTION BASED ON VARIATIONAL AUTO-ENCODER...... 1298 Ruicheng Zheng, Jie Gu

AN APPLICATION OF MARSHALL-EDGEWORTH SPOT PRICE INDEX IN WIND-THERMAL GENERATION SWAP OPTION PRICING...... 1304 Zhixiong Hu, Ming Zhou, Zhiming Jiang, Yan Zhan, Xiaojuan Liu

IMPROVED POWER FLOW CALCULATION OF ACTIVE POWER DISTRIBUTION NETWORK WITH DISTRIBUTED GENERATION ...... 1310 Hong Fan, Keke Yu, Zichao Liu, Haijun Xing, Shuqing Zhang

LOW-CARBON POWER SYSTEM ECONOMIC DISPATCH CONSIDERING RENEWABLE ENERGY ACCOMMODATION ...... 1316 Yiting Xu, Tao Ding, Ming Qu, Ya Wen, Ye Ning

MILP MODEL FOR ANNUAL POWER AND ENERGY BALANCE OF HYDRO-THERMAL- WIND POWER SYSTEM CONSIDERING RPS MECHANISM ...... 1324 Danyang Zhao, Wei Yan, Cheng Luo, Tian Luo

A FAULT-TOLERANT METHOD OF THE SECOND-USE BATTERIES AT AN ENERGY STORAGE POWER STATION...... 1331 Qingshan Wang, Yan Li, Qun Zhang, Xi Chen

ANALYSIS ON CAPACITANCE RISE OF 500KV XLPE SUBMARINE CABLE IN AC VOLTAGE WITHSTAND TEST ...... 1337 Yong Yang, Yongtao Jin, Te Li, Lin Zhao, Naiyi Li, Bing Yu

AN IMPROVED DROOP CONTROL STRATEGY WITH DOUBLE COMPENSATION FOR DC MICROGRID ...... 1342 Vongwen Gu, Fei Wang, Shanshan Zhu, Yufei Li, Hui Guo

DECENTRALIZED SELF-BALANCING CONTROL STRATEGY FOR THE OPTIMAL OPERATION OF ENERGY STORAGE SYSTEMS IN NETWORK ...... 1349 Fei Juntao, Yuan Xiaodong, Xu Qingqian, Gu Shuifu, Chen Wenbo

A NOVEL TWO-STAGE MODEL PREDICTIVE CONTROL FOR WIND POWER SMOOTHING BASED ON HESS...... 1355 Tingting Guo, Youbo Liu, Yue Xiang, Junyong Liu

OPTIMAL QUASI-SYNCHRONOUS CONDENSER AND GENERATOR DISPATCH FOR VOLTAGE STABILITY AND PEAK-SHAVING ...... 1363 Zhenchuan Ma, Haozhong Cheng, Heng Zhang, Sidun Fang, Cuixiang Feng, Jianping Zhang

DESIGN OF AN ENERGY MANAGEMENT SCHEME FOR RESIDENTIAL DEMAND RESPONSE IN A MICROGRID SYSTEM ...... 1369 T. Adefarati, R. C. Bansal, R. Naidoo

START-UP STRATEGY FOR MODULAR MULTILEVEL CONVERTERS WITH MODIFIED NEAREST LEVEL MODULATION METHOD...... 1375 Wei Liu, Gen Li, C. E. Ugalde-Loo, Jun Liang

VOLUME 3

THE SMALL SIGNAL STABILITY ANALYSIS OF DC DISTRIBUTION NETWORK...... 1381 Changli Shi, Tongzhen Wei, Qunhai Huo, Tongshuo Zhang, Junqiang He

STABILITY ANALYSIS OF GRID-CONNECTED VSC BASED ON IMPEDANCE MODELLING...... 1388 Liang Yuan, Ke Meng, Jingjie Huang, Yilun Sun, Z. Y. Dong

INVESTIGATING THE TRANSIENT TORQUE OF TURBO-GENERATORS IN A POWER SYSTEM INTEGRATING WIND FARMS...... 1394 Bowen Yang, Gangui Yan, Xiaorong Xie, Yanhui Wang, Jian Tang

OPTIMIZED EIGHT VECTOR SPACE BASED CONVERTER FAULT TOLERANCE CONTROL FOR PMSG WIND TURBINE...... 1401 Chao Sun, Yingning Qiu, Wei Qin, Yanhui Feng, Kai Huang, W. Muhammad

VIBRATION SIGNATURE OF DIRECT-DRIVE WIND TURBINE UNDER CONVERTER OPEN- SWITCH FAULT ...... 1409 Ming Ren, Yingning Qiu, Yanhui Feng, Guangyuan Huang, Chen Xu

DESIGN OF GENERAL FRAMEWORK FOR MULTIFAULT DIAGNOSIS BASED ON PHOTOVOLTAIC GRID-CONNECTED INVERTER SYSTEM ...... 1416 Feng Ling, Mingyao Ma, Yarong Sun, Hongyu Long, Fei Li

IMPROVED VECTOR CURRENT CONTROL FOR GRID SIDE CONVERTER IN PMSG WIND TURBINE WITH FAULT TOLERANCE CAPABILITY...... 1424 M. Waseem, Yanhui Feng, Yingning Qiu, Chao Sun, H. A. Sher

INVESTIGATE THE INFLUENCE OF RENEWABLE ENERGY PENETRATION ON THE ELECTRICITY MARKET EQUILIBRIUM...... 1432 Chenchen Li, Zhifang Yang, Yichi Zhang, J. Yu, Peng Zou

ANGULAR SAMPLING OF WIND TURBINE LOW-SPEED SHAFT USING HIGH-RESOLUTION MAGNETIC KEYPHASOR...... 1439 Guangyuan Huang, Yanhui Feng, Ming Ren, Yingning Qiu, Wenxian Yang

MULTI-OBJECTIVE PLANNING OF DISTRIBUTED GENERATIONS BASED ON TIME- SEQUENCE CHARACTERISTICS...... 1445 Rongjian Cui, Hui Hou, Zhenfeng Xiao, Peizhe Xin, Xiangtian Deng, Peng Liu, Tao Xu

A DATA-DRIVEN METHOD FOR DETECTION AND LOCALIZATION OF WEAK FAULT BASED ON SYNCHRONIZED PHASOR MEASUREMENTS ...... 1451 Hongxia Wang, Bo Wang, Danlei Zhu, Liming Zhang, Xiaoyang Wang, Gang Lin

A PREDICTIVE CONTROL METHOD FOR SUPPRESSING THE CONTINUOUS COMMUTATION FAILURE OF LCC-BASED HVDC SYSTEMS ...... 1459 Jinxin Ouyang, Zhen Zhang, Chao Xiao

CONTROL FUNCTION RESEARCH AND PERFORMANCE TEST OF WUJIANG STATCOM PROJECT ...... 1467 Lin Jinjiao, Li Peng, Chen Shi

AN OPTIMAL VOLT/VAR CONTROL STRATEGY FOR AN ISLANDED MICROGRID CONSIDERING THE VOLT/VAR CONTROL CAPABILITY...... 1473 Zhuo Chen, Zhaobin Du, Haoqin Zhan

REAL TIME COORDINATED OPTIMIZATION DISPATCH MODEL FOR AC/DC HYBRID DISTRIBUTION NETWORK...... 1479 Yuhui Huang, Ruifeng Zhang, Dong Liu, Qingsheng Li, Xueyong Tang

IMPACTS OF SEQUENCE MODEL FOR TYPE-3 AND TYPE-4 WIND TURBINES ON VOLTAGE UNBALANCE IN LARGE-SCALE WIND FARMS ...... 1486 Can Chen, Hui Liu, Linlin Wu, Yuntao Ju, Xiaoyang Deng

ACTIVE DISTRIBUTION NETWORK STATE ESTIMATION ALGORITHM BASED ON DECISION TREE OF SELF-IDENTIFICATION ...... 1491 Jian Ding, Chunlei Ma, Bin Fu, Bing Liu

DYNAMIC VAR PLANNING IN LARGE HYBRID AC/DC RECEIVING-END GRID UNDER LARGE SCALE RENEWABLES ACCESSING CONDITIONS ...... 1497 Tian Luo, Keyou Wang, Guojie Li, Cheng Luo

LOAD FORECASTING MODEL AND DAY-AHEAD OPERATION STRATEGY FOR CITY- LOCATED EV QUICK CHARGE STATIONS ...... 1504 Zeyu Liu, Yaxin Xie, Donghan Feng, Yun Zhou, Shanshan Shi, Chen Fang

RESEARCH ON INDEX SYSTEM AND COMPREHENSIVE EVALUATION METHOD OF CHINA'S ELECTRICITY SPOT MARKET...... 1510 Xiufeng Li, Yang Wu, Zhenyu Zhao, Yumeng Liu, Pingping Xie, Jin Zou, Peizheng Xuan, Jizhong Zhu, Long Huang

TIE-LINE POWER TRANSMISSION CONTROL FOR MICRO-GRID WITH MULTI-PARALLEL CONNECTED INVERTERS BASED ON LYAPUNOV FUNCTION ...... 1517 Peng Xu, Keyou Wang, Xin Huang, Chunning Wang

A NOVEL LINEAR BATTERY ENERGY STORAGE SYSTEM (BESS) LIFE LOSS CALCULATION MODEL FOR BESS-INTEGRATED WIND FARM IN SCHEDULED POWER TRACKING ...... 1524 Qiang Gui, Hao Su, Donghan Feng, Yun Zhou, Ran Xu, Zheng Yan, Ting Lei

STUDY ON PRIMARY FREQUENCY REGULATION STRATEGY OF ENERGY STORAGE IN PHOTOVOLTAIC POWER STATION ...... 1532 Wenwen Sun, Chunhui Qu, Yanxia Sun, Jingli Li, Rui Song

STUDY ON REACTIVE VOLTAGE REGULATION AND OPTIMAL CONTROL STRATEGY OF PV POWER STATION CONSIDERING ENERGY STORAGE SYSTEM ...... 1537 Chunhui Qu, Wunwen Sun, Yanxia Sun, Wannian Qi, Guoqing He, Jiatian Gan

ANALYSIS OF HIGH VOLTAGE DC TRANSMISSION NETWORK FOR THE FUTURE ENERGY NEEDS OF PAKISTAN...... 1544 M. H. Nadeem, Xiaodong Zheng, Nengling Tai, M. F. Tabassum, M. Gul, Zhengguang Xiao

OPTIMAL DECISION MAKING MODEL OF BATTERY ENERGY STORAGE-ASSISTED ELECTRIC VEHICLE CHARGING STATION CONSIDERING INCENTIVE DEMAND RESPONSE ...... 1549 B. Upadhaya, Donghan Feng, Yun Zhou, Qiang Gui, Xiaojin Zhao, Dan Wu

A JOINT CLEARING MODEL OF ENERGY AND AUXILIARY SERVICE MARKET CONSIDERING FLEXIBLE LOAD ...... 1557 Zhang Xuan, Bai Yang, Sun Gaoxing, Zou Jin, Xuan Peizheng, Xie Pingping, Zhou Baorong, Zhu Jizhong

COMBINATION FORECASTING METHOD OF SHORT-TERM POWER FOR DISPERSED WIND FARM...... 1563 S. Yan, L. F. Yan, Z. T. Zhao, Z. H. Jiang, J. Y. Zhou

STUDY ON COORDINATED CONTROL STRATEGY OF OFFSHORE WIND FARM INTEGRATION SYSTEM VIA MMC-HVDC BASED ON TRANSIENT RESPONSE CHARACTERISTIC ANALYSIS...... 1568 Fan Xiaojie, Zhu Yongqiang, Liu Chao, Li Yan

TECHNICAL CHALLENGES OF INTEGRATING HIGH PROPORTION DISTRIBUTED PHOTOVOLTAIC POWER INTO MEDIUM DC GRID...... 1574 Chunxia Wei, Qing Li, Zhibing Wang, Hongzhi Liu, Chao Liu

STUDY ON THE IMPACT OF RENEWABLE PORTFOLIO STANDARD ON NINGXIA RENEWABLE ENERGY CONSUMPTION BASED ON SYSTEM DYNAMICS ...... 1582 Mi Ning, Zhang Huiling, Tian Hongjie, Yao Yunting, Gao Ciwei

SUB-SYNCHRONOUS TORSIONAL INTERACTION WITH LCC-HVDC IN DC CURRENT CONTROL TIMESCALE ...... 1588 Xin Wei, Jiabing Hu

ANALYSIS OF INFLUENCE ON BRANCHING FACTOR OF AC GRID BASED ON CHARACTERISTICS OF GRID-SIDE INVERTER ...... 1595 Ning Huang, Chunju Fan, Shan Jiang

IMPACT OF DFIG-BASED WIND TURBINE'S FAULT CURRENT ON DISTANCE RELAY DURING SYMMETRICAL FAULTS...... 1601 Yuanzhu Chang, Jiabing Hu, Xing Liu, Guobing Song

OPTIMAL POWER FLOW FOR AC AND DC GRIDS BASED ON POWER ELECTRONIC TRANSFORMER...... 1607 Qi Geng, Yan Hu

A REVIEW OF RESEARCH ON SUBSYNCHRONOUS RESONANCE OF WIND POWER GENERATION...... 1615 Yu Chen, Yun Wang, Rong Yang, Yanping Wu, Guoqing Tao

A NEW MODEL OF CCHP SYSTEM WITH VARIOUS NEW ENERGY INTEGRATION...... 1621 Zhipeng Yu, Feng Zhang, Guojie Li

A FAULT-TOLERANT CONTROL STRATEGY FOR SIX-PHASE PMLG IN DIRECT-DRIVE WAVE ENERGY CONVERSION SYSTEM...... 1627 Lei Huang, Minshuo Chen, G. Ahmad

STABILITY ANALYSIS OF ELECTRICAL OSCILLATION EXISTING IN GRID INTEGRATION OF PMSG-BASED WIND FARM WITH VSC-HVDC SYSTEM ...... 1632 Kun Sun, Wei Yao, Jinyu Wen

RESEARCH ON REGULATION COMPENSATION ALLOCATION METHOD OF VIRTUAL POWER PLANT...... 1637 Jianlin Yang, Jingbang Li, Mingxing Guo, Yichao Huang, Aili Pang, Yuan Ji

RESEARCH ON UNCERTAIN RISK PREVENTION STRATEGY OF VIRTUAL POWER PLANT...... 1643 Jianlin Yang, Jingbang Li, Fei Fei, Haiqun Wang, Chun Yang, Weidong Qiao

A METHOD FOR MITIGATING SUBSYNCHRONOUS OSCILLATION RISK BASED ON A NOVEL CONTROL STRATEGY OF VSC...... 1650 Wei He, Ao Li, Xiaoming Yuan, Jianqin Liu

STUDY ON ANGLE STABILITY AND CRITICAL PENETRATION OF POWER SYSTEM WITH HIGH PROPORTION WIND POWER ...... 1656 Xin Zhang, Yongzhang Hang, Ping Wu

ENERGY INTERNET OPTIMIZATION SCHEDULING FOR WIND ENERGY CONSUMPTION CONSIDERING HIGH-ENERGY LOAD AND ELECTRICITY-TO-GAS...... 1662 Weichun Ge, Tao Wang, Jing Gao, Vihe Wang, Shunjiang Wang, Yi Liang, Dewei Zhao, Jiayuan Wang, Bonan Huang

EMERGENCY CONTROL STRATEGY OF PV FOR SUPPRESSING TRANSIENT OVERVOLTAGE PEAK IN LCC-HVDC INFEED POWER SYSTEM ...... 1668 Boliang Lou, Longfei Wang, Rui Zhang, Wen Hua, Jiabing Hu

EVALUATION OF EV BATTERY DEGRADATION UNDER DIFFERENT CHARGING STRATEGIES AND V2G SCHEMES...... 1674 Jingli Guo, Jin Yang, Wenping Cao, C. Serrano

AN ADJUSTABLE ROBUST OPTIMAL DISPATCHING METHOD FOR MICROGRIDS CONSIDERING UNCERTAINTY DISTRIBUTION OF WIND POWER ...... 1681 Zhanpeng Chen, Wentao Huang, Zhengyu Chen, Nengling Tai, Yan Hu, Wenjun Ruan

COOPERATIVE SCHEDULING STRATEGY OF DISTRIBUTED ENERGY STORAGE SYSTEM IN REGIONAL GRID WITH HIGH PROPORTION OF RENEWABLE ENERGY...... 1689 Rui Ma, Wenqi Li, Xuecui Jia, Xiangjun Li, Yufei Rao, Zhaohui Li

A MECHANISM OF REGIONAL RESERVE MARKET FOR PROMOTING LARGE-SCALE RENEWABLE ENERGY CONSUMPTION ...... 1694 Jin Zou, Peizheng Xuan, Pingping Xie, Baorong Zhou, Jizhong Zhu

ELECTRICAL VEHICLE ORDERED CHARGING CONTROL BASED ON ELECTRICAL PRICE GUIDING STRATEGY ...... 1699 Changchun Cai, Mengrui Xi, Lei Guo, Shuqin Wang, Shusaifeng Zhu

FEASIBILITY STUDY ON ENERGY STORAGE REPLACING EXTERNAL POWER SUPPLY BASED ON SEQUENTIAL OPERATING SIMULATION METHOD ...... 1705 Yi Ge, Linyuan Wang, Yue He, Bingjie Li, Junhui Huang

RESEARCH ON CONTROL STRATEGY OF PQ MODE VIRTUAL SYNCHRONOUS GENERATOR WITH AUTONOMOUS VOLTAGE REGULATION FUNCTION ...... 1712 Junjie Wang, Jingbo Liu, Dazhong Li

OPTIMAL BIDDING STRATEGY FOR WIND FARMS IN ELECTRIC SPOT MARKET ...... 1718 Jin Zou, Peizheng Xuan, Pingping Xie, Baorong Zhou, Jizhong Zhu

CONTROL STRATEGY OF CASCADED H-BRIDGE GRID-CONNECTED PHOTOVOLTAIC SYSTEM WITHOUT PLL IN THE STATIC COORDINATE...... 1723 Lixia Zhang, Jiayu He, Bing Zhao, Han Gao,

BI-LEVEL MULTI TIME-SCALE VOLTAGE/VAR OPTIMIZATION AND CONTROL IN A HYBRID DISTRIBUTION NETWORK...... 1729 Feng Qiao, Jin Ma, Yaran Li

ISOLATED MICROGRID VOLTAGE REGULATION USING FUZZY-LOGIC BASED INVERTER CONTROL ...... 1736 A. R. Singh, Lei Ding, A. Kumar, M. Kheshti, R. Singh, R. Bansal

EQUILIBRIUM MODEL OF ELECTRICITY MARKET CONSIDERING GREEN CERTIFICATE TRANSACTION UNDER RENEWABLE PORTFOLIO STANDARD ...... 1741 Yachao Li, Shengnan Zhao, Hao Chen, Yi Jin, Yu Ding, Beibei Wang

AN IMPROVED ADAPTIVE NONLINEAR DROOP CONTROL METHOD IN DC MICROGRID...... 1748 Yaoyao Zhang, Maodong Tang, Xiaohui Qu, Wu Chen

RESEARCH ON COLLABORATIVE FREQUENCY REGULATION CONTROL STRATEGY OF WIND FARM BASED ON DECENTRALIZED EXIT...... 1754 Y. H. Ren, P. Song, X. S. Wang, R. F. Shi

REVIEW OF ABNORMAL DATA IDENTIFICATION AND CORRECTION TECHNIQUES IN ACTIVE DISTRIBUTION NETWORKS ...... 1762 Shu Liu, Zhiyu Zhang, Xiangjing Su, Yan Song, Shuxin Tian

ARC FAULT DETECTION AND LOCALIZATION IN PHOTOVOLTAIC SYSTEMS BASED ON ARC SIGNATURES IN LOW IMPEDANCE PATHS AND ITS PATH TOPOLOGY...... 1768 Xianming Jiang, Jianyu Li, Yusu Li, Yong Li, Rongbang An, Ying Hao

USERS' ELECTRICITY CONSUMPTION BEHAVIOUR ANALYSIS IN DISTRIBUTION NETWORK BASED ON HIGH DIMENSIONAL RANDOM MATRIX...... 1776 Sun Qizhen, Hao Fangzhou, Shen Chao, Ma Guolong, Huang Yong, Wu Yuzhao

HIERARCHICAL DECOMPOSITION BASED DISTRIBUTED ENERGY MANAGEMENT OF DISTRIBUTION NETWORKS ...... 1784 Yifan Su, Zhaojian Wang, Feng Liu, , Yunfan Zhang, Mengshuo Jia

EVALUATION OF µPMU BASED INTELLIGENT DISTRIBUTION NETWORK BY AHP AND ANP-IMPROVED ENTROPY WEIGHT METHODS ...... 1791 Zhixiong Shi, Longhai Guo, Xiangjing Su, Jinsong Liu, Shuxin Tian

STABILITY MEASUREMENT OF DC DISTRIBUTED POWER SYSTEM ...... 1798 Yang Li, Guoqing He, Haijiao Wang, Xing Zhang

DECENTRALIZED UNIFIED CONTROL STRATEGY FOR MEDIUM AND LOW VOLTAGE DC DISTRIBUTION POWER SYSTEM...... 1803 Pengpeng Pan, Wu Chen, Han Mu

COORDINATED MULTIPLE HVDC MODULATION EMERGENCY CONTROL FOR ENHANCING POWER SYSTEM TRANSIENT STABILITY...... 1809 Congcong Li, Tong Wang, Zengping Wang, Tie Li, Junci Tang, Anlong Su, Kai Gao, Feng Jiang, Di Jiang, Yushi Zhang, Xiaopeng Xu

A STABILITY CRITERION FOR DC DISTRIBUTION POWER SYSTEM WITH MULTI- VOLTAGE LEVELS...... 1815 Pengpeng Pan, Wu Chen, Han Mu, Liangcai Shu

GRID BALANCING WITH A LARGE-SCALE ELECTROLYSER PROVIDING PRIMARY RESERVE ...... 1821 A. E. Samani, A. D'Amicis, J. D. M. De Kooning, P. Silva, L. Vandevelde

OPTIMAL COORDINATED GENERATION AND DEMAND SCHEDULING FOR SHIP HYBRID ENERGY SYSTEM...... 1828 Qimin Xu, Bo Yang, Yazhou Yuan, Feilong Lin, Cailian Chen

COMPLEMENTARY AND COORDINATED OPTIMAL DISPATCH SOLUTION FOR HYBRID THERMALWIND-PV POWER GRID WITH ENERGY STORAGE ...... 1834 Haoxin Wang, Libao Shi, Yixin Ni

THE REAL-TIME OPTIMIZATION OF ACTIVE DISTRIBUTION SYSTEM BASED ON DEEP DETERMINISTIC POLICY GRADIENT...... 1842 Jin-Xia Gong, Guangyin Mei, Yan-Min Liu

MULTILEVEL COMPREHENSIVE OPERATION RISK ASSESSMENT OF ACTIVE DISTRIBUTION NETWORK BASED ON PMU...... 1848 Zhou Jian, Tian Shuxin, S. Chao, Song Yan, Fu Yang, Liu Shu

RESEARCH ON THE JOINT PLANNING AND BENEFIT ALLOCATION OF DISTRIBUTION NETWORKS UNDER THE ENVIRONMENT OF INCREMENTAL DISTRIBUTION BUSINESS LIBERALIZATION...... 1854 Wenjuan Niu, Shaodong Liu, Hu Li, Guiyuan Xu, Ciwei Gao, Haiwen Shao

AMPLITUDE-PHASE ADMITTANCE MODELLING AND ANALYSIS FOR A GRID- CONNECTED CONVERTER SYSTEM ...... 1861 Luyao Xu, Minghui Sun, Xiaozhe Song, Chunhua Wang, Huanhai Xin

NEGATIVE RESISTANCE EFFECT INDUCED BY NETWORK DYNAMICS IN POWER- ELECTRONIC-BASED POWER SYSTEMS: A SIMPLE CASE STUDY ...... 1867 Qingfeng Yue, Jiawei Yu, Meng Zhan

INTEGRATED MODELLING AND PLANNING OF REGIONAL INTEGRATED ENERGY SYSTEMS BASED ON EXERGY ANALYSIS...... 1874 Xiao Hu, Ce Shang, Min Wen, Li Wang, Yuquan Liu, Feng Zhang, Haozhong Cheng

U.S. GREEN POWER MARKET EXPERIENCE AND ITS ENLIGHTENMENT TO CHINA...... 1882 Xiaoning Ye, Caixia Wang, Ziqian Li, Wei Yuan

STACKELBERG GAME BASED FAST CHARGING SERVICE FEE PRICE MODEL IN CONSIDERATION OF ELECTRIC VEHICLES' PROMOTION ...... 1887 Yiwei Shi, Duanhong Zhang, Yun Zhou, Donghan Feng, Yuntao Chen, Dan Wu

RESEARCH ON THE CONTROL STRATEGY OF ENERGY STORAGE SYSTEM IN PHOTOVOLTAIC POWER STATION ...... 1894 Dajun Jiang, Fubao Wu, Chenqi Wang, Lei Wang, Dawei Zhao

RELIABILITY EVALUATION OF POWER SYSTEM WITH PHOTOVOLTAIC GENERATION BASED ON MULTILEVEL CROSS ENTROPY METHOD...... 1900 Zifan Shi, Wei He, Jie Shi, Fan Chen, Han Miao, Zhongyi Qian, Ziheng Zhang, Letao Zhang

EFFICIENCY AND BENEFIT EVALUATION OF MULTI-ENERGY MICROGRID CONSIDERING MULTI-TYPE HEAT PUMP...... 1906 Qiang Sun, Weizhen Yong, Qian Chen, Jingdong Wei, Chanxia Zhu

A TWO-LAYER CONTROL METHOD FOR INVERTER ACS TO PROVIDE FREQUENCY REGULATION SERVICE BASED ON INDOOR TEMPERATURE-VARYING MODEL ...... 1914 Kaiwen Zeng, Jianing Liu, Lingling Le, Menglin Zhang, Xiaomeng Ai

OPTIMAL CONTRACT ELECTRICITY OF WIND-THERMAL HYBRID POWER PLANT IN FORWARD MARKET ...... 1920 Yongqing Wang, Zhengting Jiang, Minghui Zhu, Lei Zhou, Pei Zhang

CLEAN ENERGY ON WHEELS: MODEL, OPTIMISATION AND P2P ENERGY TRADING FOR ACTIVE DISTRIBUTION NETWORKS IN SMART CITIES ...... 1926 N. K. Meena, Jin Yang

AN IES COMPREHENSIVE PROFIT MODEL BASED ON IMPROVED PSO ALGORITHM...... 1934 Chen Chen, Bingjie Li, Wei Zhang, Hongda Zhao, Ciwei Gao, Deng Pan

DATA-DRIVEN COMBINING FORECASTING METHOD FOR THE NET DEMAND OF POWER RETAILERS IN DISTRIBUTION NETWORK ...... 1940 Zelong Lu, Tianhui Zhao, Yao Zhang, Jianxue Wang

EQUILIBRIUM STRATEGY OF REGIONAL INTEGRATED ENERGY SYSTEM BASED ON STACKELBERG GAME THEORY ...... 1948 Chen Qing, Yan Hu, Nengling Tai, Xinxing Xu

RESEARCH ON BMS OF LARGE SCALE BATTERY ENERGY STORAGE POWER STATION...... 1954 Guo-Ning Xu, Xiao-Wei Du, Zhao-Jie Li, Hao-Lin Liu, Min-Xin Zheng, Bao-Li Xu

RESILENT ACTIVE POWER AND VIRTUAL INERTIA COORDINATED CONTROL FOR MULTIPLE DISTRIBUTED ENERGY STORAGE UNITS ...... 1960 Wei Wei, Lun Tang, Tianwen Zheng, Chang Liu, Libo Jiang, Shengwei Mei

ANALYSIS ON FAULT CHARACTERISTIC OF METALLIC RETURN IN TRUE BIPOLAR VSC- HVDC TRANSMISSION SYSTEM ...... 1967 Panbo Yang, Shanshan Wang, Yuanyuan Sun, Bing Zhao, Yingbiao Li, Rui Yin, Mengyan Ma

STUDY FOR MITIGATING SCOUR AROUND THE MONOPILE FOUNDATIONS OF OFFSHORE WIND TURBINES...... 1973 Kexiang Wei, Wenxian Yang, Bo Yang, Bo Qin

AN INTELLIGENT IMPLEMENTATION OF IMPROVED NONLINEAR DROOP CONTROL SCHEME IN MTDC NETWORKS USING FUZZY SEARCH...... 1979 Feng Li, Jiebei Zhu, G. P. Adam, Yingshu Liu, Yunsong Yan, Mingying Li, Ning Sun

STATE-VAREYING INERTIA AND TIME-DECAYING DAMPING EMULATION CONTROL SCHEME FOR VSC-HVDC TRANSMISSION SYSTEM...... 1987 Zhipeng Shen, Jiebei Zhu, G. P. Adam, Xialin Li

DC GRID BASED ON HYBRID MMC AND FAST VACUUM SWITCH...... 1996 Pucheng Cai, Meng Zhou, Wang Xiang, Binye Ni, Wenping Zuo, Jinyu Wen

A SPWM ALGORITHEM WITH SYMETRICAL SHOOT-THROUGH STATES FOR Z/QUASI-Z SOURCE INVERTERS ...... 2002 Xianglin Wei, Miao Zhu, Han Wang, Xiuyi Li, Wei Chen, Surong Huang

LEAKAGE CURRENT SUPPRESSION AND COMMON -MODE RESONANCE ACTIVE DAMPING FOR LCCL-FILTERED TRANSFORMERLESS THREE-PHASE PV INVERTER...... 2008 Cun Wang, Rende Zhao, Poh Chiang Loh, Hailiang Xu, Qingzeng Yan

A NEW SUPPRESSION STRATEGY FOR SWITCHING FREQUENCY CIRCULATING CURRENT IN PARALLEL INVERTERS ...... 2016 Song Chi, Lan Cheng, Xue Li, Mingxuan Hou

COUPLING ANALYSIS OF MULTI-HETEROGENEOUS ENERGY SYSTEMS CONSIDERING WIND-PHOTOVOLTAIC POWER...... 2023 Xiaoxu Qu, Lin Ye, Yanxiang Yao, Hong Li, Jinshan Liu

ISLAND PARTITIONING METHOD FOR ACTIVE DISTRIBUTION NETWORK CONSIDERING ADJUSTABLE LOAD ...... 2028 Jian Zhou, Kunpeng Li, Shuxin Tian, Ran Chen, Xiaoxu Wang, Shu Liu, Yang Fu

FINITE CONTROL SET MODEL PREDICTIVE CONTROL STRATEGY OF GRID SIMULATOR FOR THE TEST OF RENEWABLE ENERGY SYSTEM AND MOTOR DRIVER ...... 2034 Tao Liu, Zhaoxia Xiao

DISTRIBUTED GENERATIONS INTERCONNECTION BASED ON THE CLUSTERING ALGORITHM AND GRAPHY THEORY...... 2039 Tianling Shi, Fei Wang, Hui Guo, Lijun Zhang, Li Li

DEVELOPMENT OF HIGH FREQUENCY RESISTANCE TEST BENCH FOR HIGH POWER FUEL CELL STACK...... 2045 Tiancai Ma, Weikang Lin, Yanbo Yang, Kai Wang, Wenya Jia

NEW GENERIC MODEL OF WIND TURBINE VOLTAGE RIDE-THROUGH FOR LARGE- SCALE POWER SYSTEM STUDIES...... 2052 Xiwang Xu, Ning An, Fang Li, Lu Sun, Haiyan Tang, Xinglei Chen

OPTIMIZATION OF CONTROL PARAMETERS FOR PMSG-BASED WIND FARM AND SVG CONSIDERING SUBSYNCHRONOUS INTERACTION...... 2057 Yuming Liu, Biyue Huang, Haishun Sun, Yi Zhang, Yingsheng Han, Yongju Yu

FAULT WARNING OF PITCH SYSTEM OF WIND TURBINE BASED ON KERNEL DENSITY ESTIMATION ...... 2064 Xianglong Yang, Ming Yang, Xiangjun Zeng, Yi Zhu, Yu Zhou

VOLUME 4

MEDIUM AND LONG-TERM POWER MARKET RISK ASSESSMENT AND COMPREHENSIVE EVALUATION ...... 2069 Minghui Zhu, Yufeng Jiang, Xiang Yu, Lei Zhou, Meng Shi

PERFORMANCE ASSESSMENT OF WIND TURBINE PITCH SYSTEMS BASED ON MULTI- DIMENSIONAL INDICATORS...... 2076 Lu Wei, Zheng Qian, Jingyue Wang, Lixiao Cao, Fanghong Zhang

A MULTI-RESOLUTION INTERFACE MODEL OF COMBINED SHIFTED FREQUENCY PHASOR AND ELECTROMAGNETIC TRANSIENT SIMULATIONS FOR STATCOMS AND LARGE-SCALE AC/DC GRIDS ...... 2081 Yupeng Li, Qiongfeng Zhu, Dewu Shu, Jinping Zhang

METHOD FOR DETERMINING THE MINIMUM NUMBER OF POWER-ON UNITS AT THE TRANSMITTING END OF UHVDC CONSIDERING TRANSIENT OVER-VOLTAGE ...... 2086 Tiezhu Wang, Shicong Ma, Mengjun Wang, Xi Zhang, Xianbo Ke, Jili Wang, Chao Huo, Gang Zhang

MACHINE SIDE DC-PORT IMPEDANCE MODELING AND CHARACTERISTIC ANALYSIS OF PMSG WIND TURBINES ...... 2091 Liu Bin, Li Guanghui, Wang Jiajun, Li Zhen, Liu Xiangdong

AN IMPROVED HYBRID MODULATION STRATEGY FOR CASCADED H-BRIDGE PHOTOVOLTAIC INVERTERS ...... 2096 Rumeng Song, Rende Zhao, Hailiang Xu, Congcong Xuan, Cheng Yuan

RESEARCH ON DISTRIBUTION NETWORK PMU CONFIGURATION SCHEME BASED ON PARAMETER ESTIMATION ACCURACY...... 2104 Chen Fang, Ping Ling, Tianyu Fang, Yanruo Hou, Hengxu Zhang, Fang Shi

RESEARCH ON ACCESS LOCATION SCHEME OF MULTI-PORT POWER ELECTRONIC TRANSFORMER IN AC/DC HYBRID DISTRIBUTION NETWORK ...... 2109 Xinxing Xu, Nengling Tai, Yan Hu, Xiaodong Zheng, Ning Xie, Chen Qing, Bin Huang

METHOD OF T-CONNECTION LINE PARAMETER ESTIMATION IN DISTRIBUTION NETWORK BASED ON PMU MEASUREMENT DATA...... 2116 Shu Liu, Jinsong Liu, Yanruo Hou, Tianyu Fang, Fang Shi, Hengxu Zhang

A HEALTH DIAGNOSIS METHOD FOR PHOTOVOLTAIC MODULE BASED ON NEURAL NETWORK...... 2121 Siyuan Lu, Fei Wang, Lintao Ren, Wenhao Zhu

SEQUENCE IMPEDANCE MODELING OF DROOP-CONTROLLED INVERTER...... 2126 You Hu, Jiajun Wang, Bin Liu, Zhen Li, Xiangdong Liu

ROBUST APPROXIMATION MODELS FOR PREDICTIVE CONTROL OF A VARIABLE PITCH WIND POWER DRIVETRAIN ...... 2131 N. Kayedpour, A. E. Samani, J. D. M. De Kooning, L. Vandevelde, G. Crevecoeur

CHANCE-CONSTRAINED OPTIMIZATION FOR MULTI-ENERGY HUB SYSTEM WITH DYNAMIC THERMAL RATING ...... 2137 Yuanbin Zhu, Da Huo, Chenghong Gu

EQUIVALENT ENERGY STORAGE OF BUILDING WITH THERMAL INERTIA IN INTEGRATED ENERGY SYSTEM ...... 2143 Chouwei Ni, Xuesong Zhang, Xinhong Wu, Yuhan Ma, Yajie Tang, Shaohe Wang, Bo Zhao

ANALYSIS OF GENERATION RIGHTS TRANSACTION MECHANISM BASED ON INTERPROVINCIAL RENEWABLE ENERGY CONSUMPTION ...... 2148 Chang Hua, Zhou Bo, Fan Kewei, Song Gaohong, Zhang Pengzheng, Guo Jinhui, Duan Weiyi

STUDY ON THE VARIATION OF THE STEADY-STATE FREQUENCY OF POWER SYSTEMS UNDER THE RAPID GROWTH OF RENEWABLE ENERGIES...... 2156 Mengjun Wang, Tiezhu Wang, Xi Zhang, Shicong Ma, Tianhao Wang, Jianbo Guo

GENERAL MODEL AND PARAMETER TUNING OF DOUBLY-FED WIND TURBINES UNDER ASYMMETRIC FAULT OF POWER GRID...... 2161 Haiyan Tang, Xiwang Xu, Yiding Jin, Jianzu Hu, Yan Li

AN LSTM-ATTENTION WIND POWER PREDICTION METHOD CONSIDERING MULTIPLE FACTORS...... 2165 Xin Wang, Zheng Li, Jianwen Zhang, Haichun Liu, Caiming Qiu, Xu Cai

IMPROVED BOOST DUAL-LOOP CONTROL FOR IMPROVING THE MPPT EFFICIENCY IN PHOTOVOLTAIC SYSTEMS...... 2172 Guangchen Li, Rende Zhao, Jinkui He, Hailiang Xu, Qingzeng Yan

TRANSIENT STABILITY ASSESSMENT FOR INVERTER-INTERFACED DISTRIBUTED GENERATORS BY USING ENERGY FUNCTION ...... 2180 Zhoujun Ma, Moduo Yu, Yong Zhang, Mingqin Zhang, Xinze Xi, Wentao Huang

A TRANSIENT STABILITY ENHANCEMENT CONTROL METHOD FOR INVERTER INTERFACED DISTRIBUTION GENERATORS...... 2186 Xinze Xi, Moduo Yu, Mingqin Zhang, Wentao Huang, Nengling Tai

MMC-HVDC TRANSMISSION LINE PROTECTION BASED ON BERGERON MODEL AND STATE ESTIMATION ...... 2191 Binglin Wang, Yu Liu, Dayou Lu, Xiaodong Zheng

A SURVEY ON SOCIAL MEDIA TO ENHANCE THE CYBER-PHYSICALSOCIAL RESILIENCE OF SMART GRID...... 2197 P. M. Baidya, Wei Sun, A. Perkins

WHOLE STABILITY MARGIN OF PHASE LEAD FILTER DESIGN IN REPETITIVE CONTROL FOR VOLTAGE HARMONIC MITIGATION OF CURRENT SOURCE INVERTER ...... 2203 Tong Liu, Alian Chen, Xi Liu

A COORDINATION STRATEGY TO SMOOTH FLUCTUATION OF DISTRIBUTED RENEWABLE ENERGY IN COMBINED HEAT AND POWER COMMUNITY MICROGRIDS...... 2209 Erjia Zhang, Wentao Huang, Nengling Tai, Zhengyu Chen, Wenjun Ruan

THE RESTRICTED OPERATION SCENARIO SCREENING STRATEGY OF DISTRIBUTED POWER BASED ON SHADOW PRICE...... 2217 Wang Jian, Wu Kuihua, Zhu Wenbing, Feng Liang, Zhang Xiaolei, Qi Lujie, Gu Chao, Wang Xuelei

CHARGING SCHEDULE OPTIMIZATION OF ELECTRIC BUS CHARGING STATION CONSIDERING DEPARTURE TIMETABLE ...... 2225 Chengwei Zhang

TRANSIENT RESPONSE OF DC FAULT AND FAULT CURRENT-LIMITING STRATEGY OF HYBRID THREE-TERMINAL HVDC TRANSMISSION SYSTEM...... 2230 Wei Han, Ruizhang Yang, Chao Liu, Peiyu Meng, Chenghao Li, Lei Liu, Wang Xiang, Jinyu Wen

SPATIAL-TEMPORAL CHARACTERISTICS ANALYSIS OF FREQUENCY OSCILLATION IN RENEWABLE INTEGRATED POWER GRIDS ...... 2236 Ningning Ma, Ronghua Duan, Chen Wu, Wei Huang, Xiaorong Xie

DESIGN OF DEMONSTRATION PLATFORM FOR PV DC-DC CONVERTER IN DC DISTRIBUTION NETWORK...... 2244 Dong Wei, Yao Guangxiu, Zhang Junjun, Liu Meiyin

SYNCHRONIZING SIGNAL DETECTION FOR GRID VOLTAGE BASED ON SLIDING-MODE OBSERVER ...... 2249 Xuemei Zheng, Tongfei Cui, Yuchao Jiang, Haoyu Li

INFLUENCE OF DEAD BAND OF TURBINE GOVERNORS ON ULTRA-LOW-FREQUENCY OSCILLATION IN HYDRO-DOMINANT POWER SYSTEM ...... 2255 Ruopu Yang, Yiping Chen, Chongtao Li, Yong Zhang, Zhuoyao Tang, Jiyu Huang, Haoran Diao

RESEARCH ON ZERO-SEQUENCE CONTROL STRATEGY OF FLEXIBLE MULTI-STATE SWITCH BASED ON TRANSFORMERLESS VSC-MVDC...... 2260 Feng Xu, Yi Lu, Li Li, Chaoliang Wang, Chao Ding, Mei Zheng

RESEARCH ON HVDC FREQUENCY LIMIT CONTROL TO IMPROVE FREQUENCY RESTORATION IN MUTI-HVDC ASYNCHRONOUS SYSTEM...... 2266 Jiyu Huang, Yiping Chen, Qin Gao, Yong Zhang, Ruopu Yang, Rongzhao Yang, Haoran Diao

FAULT CHARACTERISTICS ANALYSIS OF DC DISTRIBUTION NETWORK BASED ON POWER ELECTRONIC TRANSFORMER ...... 2272 Chenqing Wang, Xiangping Kong, Lei Wu, Jian Xue

A STATISTICAL LEARNING FRAMEWORK FOR THE INTELLIGENT IMPUTATION OF OFFSHORE WIND FARM MISSING SCADA DATA ...... 2279 Xin Liu, Zhong Zheng, Zijun Zhang, Zheming Cao

MODEL PREDICTIVE POWER CONTROL OF BRUSHLESS DOUBLY FED TWIN STATOR INDUCTION GENERATOR FOR GRID SYNCHRONIZATION AND POWER GENERATION...... 2283 Xinchi Wei, Chen Fang, Jinsong Liu, Shu Liu, Ming Cheng

APPLICATION OF IMPROVED SVM ALGORITHM AND VARIATIONAL MODE DECOMPOSITION IN POWER QUALITY DISTURBANCES RECOGNITION...... 2290 Jun Liu, Hang Song, Hongyan Zhao, Jiacheng Liu, Zeyang Wu

MULTI-OBJECTIVE SITING AND SIZING OF DISTRIBUTED GENERATION BASED ON THE MIXED INTEGER SECOND-ORDER CONE PROGRAMMING...... 2297 Shaoyun Hong, Guilin Huang, Hequan Ren, Yuqing Hu, Haijun Xing

RESEARCH ON PARAMETER TESTING METHOD OF CENTRALIZED REACTIVE POWER COMPENSATION DEVICE FOR PHOTOVOLTAIC POWER STATION ...... 2303 Xiaolin Zhang, Guangxiu Yao, Xiaodi Qin, Wei Dong, Yinghua Dong

APPLICATION AND DESIGN OF VSC-HVDC DISTRIBUTION NETWORKS FOR CONNECTION OF RENEWABLE ENERGY SOURCES ...... 2308 , Wen An, Yang Kun, Liu Renliang, Chen Yong, Chen Bing, Guo Fang, Gang Yi, Wu Ming

DOUBLE-SIDED RING TOPOLOGY FOR OFFSHORE WIND FRAM COLLECTOR SYSTEM LAYOUT: A MULTI-CABLE APPLICATION...... 2314 Tengjun Zuo, Yuchen Zhang, Ke Meng

APPLICATION OF MMC BASED ON STATE OBSERVER IN DC INTEGRATION OF RENEWABLE ENERGY ...... 2320 Wenjie Wang, Lijun Hang, Jian Qiu, Hao Lu, Pingliang Zeng

APPLICATION OF BAYESIAN REGRESSION METHOD IN PERFORMANCE ASSESSMENT OF PV MODULES ...... 2326 Jing-Yi Wang, Zheng Qian, Jing-Yue Wang

STUDY ON THE MAXIMUM ACCESS POWER SCALE OF EAST CHINA'S JIANGSU POWER GRID WHEN HAVING LARGE SCALE HVDCS...... 2333 Yujiao Sun, Yichi Zhang, Lei Yun, Qian Dai, Xiaomei Yang, Wenjia Zhang, Quanquan Wang, Ruanming Huang

VIRTUAL SYNCHRONOUS GENERATOR CONTROL IN SOLID-STATE TRANSFORMER WITH DC VOLTAGE COMPENSATION...... 2340 Zirun Li, Jin Xu, Pan Wu, Keyou Wang, Guojie Li

MODIFIED SEQUENCE DOMAIN IMPEDANCE MODELLING OF THE MODULAR MULTILEVEL CONVERTER...... 2346 Haoxiang Zong, Jing Lyu, Chen Zhang, Xu Cai, M. Molinas, Fangquan Rao

RESEARCH ON THE PEAK LOAD SHIFTING TECHNOLOGY OF FLEXIBLE INTERCONNECTED DISTRIBUTION NETWORK BASED ON SNOP ...... 2351 Zhukui Tan, Yutao Xu, Xufeng Yuan, Chenghui Lin, Jipu Gao, Changbao Xu, Zhen Shao

RENEWABLE ENERGY RESOURCES AND TECHNOLOGIES APPLICABLE TO SRI LANKA TOWARDS A 100% RE FUTURE ...... 2357 W. Fernando, N. Gupta, C. S. Ozveren, G. Kamyab

POWER PROCUREMENT STRATEGIES OF RETAILER CONSIDERING DEMAND RESPONSE PROGRAM...... 2365 Tong Wu, Gengfeng Li, Zhaohong Bie

MECHANISM UNDERLYING CONSTANT AMPLITUDE OSCILLATION OF GRID-TIED VOLTAGE SOURCE CONVERTERS ...... 2373 Jianhang Zhu, Shicong Ma, Xuan Gong, Jiabing Hu

AN IMPROVED NEGATIVE SELECTION ALGORITHM BASED IDENTIFICATION MODEL FOR DISTRIBUTION NETWORK OPERATING STATE WITH SMALL SAMPLES...... 2379 Xiaohui Song, Fei Gao, Zhenning Chen, Wenjing Liu

VOLTAGE FLUCTUATION SUPPRESSION METHOD FOR DC1500V TRACTION SYSTEM BASED ON FLYWHEEL ENERGY STORAGE SYSTEM...... 2386 Dan Zhang, Jianguo Jiang, Liang Zhang, Zhongzheng Zhou, Yunlong Liu, Sifeng Zhao

STUDY ON H-BRIDGE CASCADED MULTI LEVEL DYNAMIC VOLTAGE RESTORER WITH CROSS-FEED AND MULTI ENERGY SUPPLY...... 2392 Xinglai Shen, Gang Chen, Song Teng, Chun Zhang, Yibin Tao, Tingyang

THE COMPREHENSIVE VOLTAGE REGULATION STRATEGY CONSIDERING THE SEVERITY INDEX OF VOLTAGE SAG WITH ENERGY STORAGE ...... 2397 Hongfen Cui, Guohua Cui, Jinhua Xue, Shanglin Zhao, Jilei Ye, Deshun Wang

ANALYSIS OF HIERARCHICAL TOTAL SUPPLY CAPABILITY FOR DISTRIBUTION NETWORK BASED ON SPARK PARALLEL COMPUTING...... 2402 Hui Qi, Le Yang, Qian Wu, Liang Guo, Xian Zhou, Xiao He

COMPARISON ANALYSIS OF LOCAL STABILITY CRITERIA FOR THE DC DISTRIBUTION POWER SYSTEM BASED ON IMPEDANCE AND ADMITTANCE ...... 2409 Qiang Huang, Yang Liu, Yubo Yuan, Xinyao Si, Pengpeng Pan

WINDING LOSS CALCULATION REVISITED FOR MEDIUM-FREQUENCY TRANSFORMER IN APPLICATIONS OF DC GENERATION OF NEW ENERGY...... 2415 Xiang Yu, Jianhui Su, Jidong Lai

RESEARCH ON DIFFERENT TOPOLOGIES OF OVER-VOLTAGE-RIDE-THROUGH TESTING DEVICE FOR PV POWER GENERATION ...... 2423 Zhen Li, Fubao Wu, Lianghui Xu, Chenhui Niu

A NOVEL METHOD IN CLASSIFYING AND ANALYSING FAULTS IN RENEWABLE ENERGY POWER TRANSFORMERS...... 2427 A. Abdo, Hongru Zhang, Hongshun Liu, Jian Guo, Xinghua Liu, Peng Gao, Kecun Han, Xuebin Lv, Chao Yang, Tongping Xie, Yang Yu, Peng Sun

QUASI-Z-SOURCE DC/DC CONVERTER BASED ON SWITCHED INDUCTOR-CAPACITOR UNIT AND PASSIVITY BASED CONTROLLER ...... 2434 Zhang Qiaojie, Li Yunxia, Yu Qiao

ANALYSIS OF PREFILTER PHASE-LOCKED LOOP UNDER INTERHARMONICS PERTURBATION ...... 2441 Chuanchuan Hou, Miao Zhu, Yijia Chen, Xu Cai

THE INFLUENCE OF PHASE-LOCKED LOOP ON THE IMPEDANCE OF SINGLE PHASE VOLTAGE SOURCE CONVERTER ...... 2447 Zhengzhao Li, Miao Zhu, Chuanchuan Hou, Xu Cai

COORDINATED START-UP STRATEGY OF THE CONVERTERS IN MULTISTAGE DC PV POWER COLLECTION SYSTEM WITH UNIDIRECTIONAL POWER FLOW CHARACTERISTIC...... 2454 Hao Hu, Miao Zhu, Xiuyi Li, Xu Cai

THE METHOD OF GRID DISTURBANCE TEST FOR VERY LARGE CAPACITY PHOTOVOLTAIC INVERTER BASED ON HARDWARE-IN-LOOP SIMULATION PLATFORM...... 2459 Yao Guangxiu, Zhang Junjun, Zhang Xiaolin, Dong Wei, Liu Meiyin

FUZZY CONTROL BASED POWER FLOW CONTROL STRATEGY OF EV DC FAST CHARGING STATION INCLUDING DISTRIBUTED PV GENERATION AND HYBRID ENERGY STORAGE SYSTEMS ...... 2465 Yang Liu, Qian Wang, Feng Wang, Jiaxi Deng, Sinian Yan, Cong Liu

RESEARCH ON NETWORK TOPOLOGY AND COORDINATION CONTROL OF MULTI- TERMINAL LOW FREQUENCY TRANSMISSION SYSTEM ADAPTED TO THE CHARACTERISTICS OF NEW ENERGY CONVERGENCE SCENES ...... 2473 Yanjiao Yin, Lianhui Ning, Ziqiang Zhou, Chaoliang Wang, Jingwen Han

INVESTMENT DECISION MODEL OF SMART CITY MULTI-ENERGY SYSTEM BASED ON SUPPLY AND DEMAND CHARACTERISTICS ANALYSIS...... 2479 Wu Kuihua, Wang Jian, Wang Fei, Sun Wei, Wang Yanshuo, Lu Zhipeng, Du Peng

EVALUATION OF SAFETY INPUT AND OUTPUT BENEFITS OF POWER SUPPLY ENTERPRISES BASED ON DEA METHOD ...... 2483 Li Xueliang, Wu Kuihua, Wu Jian, Li Kun, Li Bo, Liu Rui, Lu Zhaojun, Wang Hongwei

INTEGRATED ENERGY SYSTEM PLANNING WITH DISTRIBUTED GENERATION BASED ON EMERGY THEORY ...... 2488 Yunfan Shao, Xun Dou, Jun Wang, Yi Song, Kai Yuan, Wei Gu

ECONOMIC TECHNICAL ANALYSIS OF LOW FREQUENCY TRANSMISSION SYSTEM UNDER SCENE OF RENEWABLE ENERGY INTEGRATION INTO GRID...... 2496 Jingwen Han, Lianhui Ning, Ziqiang Zhou, Chaoliang Wang, Yanjiao Yin

UNDERSTANDING THE NONLINEAR BEHAVIOUR AND SYNCHRONIZING STABILITY OF A GRID-TIED VSC UNDER GRID VOLTAGE SAGS ...... 2503 Chen Zhang, M. Molinas, Jing Lyu, Haoxiang Zong, Xu Cai

MIMO IMPEDANCE BASED STABILITY ANALYSIS OF DFIG-BASED WIND FARM WITH MMC-HVDC IN MODIFED SEQUENCE DOMAIN...... 2511 Haoxiang Zong, Jing Lyu, Chen Zhang, Xu Cai, M. Molinas, Fangquan Rao

FORCED CLEARING AND ITS PRICING IN RENEWABLE ENERGY MARKETS ...... 2518 D. Karki, Jiani Zeng, Xiaofan Lin, Chang Liu, Donghan Feng

ANALYSIS OF FATIGUE LIFE LOSS OF DRIVETRAIN OF DOUBLY-FED WIND TURBINES UNDER SHORT-CIRCUIT FAULT OF POWER GRID...... 2526 Qiu Shilong, Li Hui, Gong Lijiao, Wang Bin, Chai Zhaoseng, Wu You

MULTI-TERMINAL HYBRID UHVDC LINE PROTECTION SCHEME...... 2532 Runbin Cao, Guiyuan Li, Yan Li, Shukai Xu, Weihuang Huang, Hong Rao, Chenglin Ren, Rong Hu

RESEARCH OF DROOP CONTROL BASED ON NONLINEAR DISTURBANCE OBSERVER FOR ENERGY STORAGE ...... 2538 Wanyu Ji, Jianlong Zou, Linlin Bian

RESEARCH ON COMPREHENSIVE EVALUATION OF DISTRIBUTION NETWORK CONSIDERING RESILIENCE ...... 2546 Xianing Jin, Yi Song, Tianfeng Xu, Weihong Yang, Bo Yang

MODELING AND ANALYSIS OF PARTIAL DISCHARGE IN NEEDLE PLATE OIL GAP UNDER COMPOUND VOLTAGE ...... 2552 Zhitong Xue, Hongshun Liu, Simeng Li, Jian Guo, Xiaolong Wang, Qingquan Li, Xinghua Liu, Yang Yv, Chao Yang

AN IMPROVED BENCHMARK LEVEL EVALUATION METHOD FOR POWER QUALITY ...... 2558 Min-Xuan Shen, Ying-Ying Liu, Dan-Dan Feng, Tong-Xun Wang

WIND TURBINE FAILURE DETECTION BASED ON SCADA DATA AND DATA MINING METHOD...... 2566 Siyu Tao, Zheng Qian, Yan Pei, Anqi Wang, Fanghong Zhang

ISLANDED LARGE SCALE WIND POWER INTEGRATION BASED ON LCC-HVDC AND STATCOM...... 2573 Hongzhi Liu

TOPOLOGY AND PARAMETER DESIGN OF POWER QUALITY CONTROL DEVICE FOR MEDIUM VOLTAGE DISTRIBUTION NETWORK...... 2578 Hu Wei, Shen Yu, Li Xiaoping, Yang Fang, Lei Yang

STUDY ON DEEP-PEAK REGULATION OF COAL-GAS-HYDRO POWER SYSTEM IN PORTUGAL WHEN CONSIDERING HIGH WIND PENETRATION...... 2583 Zhao Liang, Yu Ruoying, Chen Peijin, Han Bin

STUDY ON SAFE OPERATING AREA OF SERIES VSC-LCC HYBRID RECTIFIER CONNECTED WITH WEAK GRID...... 2592 Fan Cheng, Liangzhong Yao, Zhibing Wang, Deng Junpeng, Yan Li, Lijun Xie, Chunxia Wei

GENERAL MODELLING METHOD FOR IMPEDANCE OF VOLTAGE SOURCE CONVERTER...... 2597 Zhibing Wang, Hongzhi Liu, Qing Li, Weishen Wang

STABILITY ANALYSIS OF COMPENSATED MODULATION BASED MMC-HVDC FOR WIND FARM INTEGRATION ...... 2603 Jing Lyu, Tao Xue, Jinshui Dai, Jiangping Jing, Chen Zhang, Xu Cai

STATOR INTER-TURN FAULT DIAGNOSIS OF INDUCTION MOTOR BASED ON WAVELET PACKET DECOMPOSITION AND RANDOM FOREST ...... 2608 Sun Liling, Zhang Kuankuo, Lu Xiangdong

MODULAR MODELLING METHOD FOR DC TRANSFORMER WITH MULTIPLE INPUTS AND MULTIPLE OUTPUTS...... 2614 Xiuting Rong, Xufeng Li, Hui Zhang, Jianhua Wang, Liuzhu Zhu, Jing Ma

AVERAGE MODEL OF MMC WITH FULL-BRIDGE SUB-MODULES FOR BLOCKING SITUATION...... 2621 Jinggang Yang, Xiaolong Xiao, Shang Gao, Xiaoyu Jiang, Xin Zhan, Jianhua Wang, Zaijun Wu

EXPANDING FLEXIBILITY WITH P2H FOR INTEGRATED ENERGY SYSTEMS ...... 2626 Tinghua Wang, Xiaojun Zhu, Pudong Ge, Qinran Hu, Qiuwei Wu, Xiaobo Dou, Haohui Ding

VOLTAGE SEGMENT CONTROL OF WIND/PV HYBRID ISLANDED DC MICROGRID WITH MULTIPLE ENERGY STORAGES ...... 2632 Lirong Zhang, Ying Xiao, Yunli Zhu

A LOW-COST POWER-TAKING SCHEME FOR SELF-STARTING OF UNIDIRECTIONAL DIODE-RECTIFIED DC WIND TURBINES WITH MEDIUM-VOLTAGE DIRECT CURRENT TRANSMISSION ...... 2637 Yu Zhang, Shijun Liu, Jing Lyu, Zhiqian Yang, Zhanlong Li, Xu Cai

MARKOV CHAIN MONTE CARLO SAMPLING BASED BAYESIAN MULTIVARIATE LINEAR SPLINE LOAD FORECASTING AGENT FOR SMART MICROGRID ENERGY MANAGEMENT SYSTEM...... 2644 A. Sujil, R. Kumar, R. C. Bansal

RESEARCH ON REAL-TIME SIMULATION MODELLING OF ZHANGBEI RENEWABLE ENERGY BASE BASED ON RTDS ...... 2650 Zixi Fang, Jing Lyu, Jiangping Jing, Haoshu Shao, Xuan Li, Xu Cai

MTDC TOPOLOGICAL ANALYSIS AND EVALUATION FOR HIGH PENETRATION OF RENEWABLE ENERGY ...... 2656 Yi Zhao, Wentao Huang, Nengling Tai, Xinze Xi

AN OVERVIEW ON WIND FARM MODELLING FOR POWER SYSTEM STABILITY STUDIES ...... 2664 Xiuqiang He, Hua Geng

MULTI-OBJECTIVE OPTIMIZATION OF CAPACITOR BANK CONSIDERING THE PARASITIC PARAMETERS OF CAPACITORS...... 2672 Cunzhong Li, Zhangliang Li, Haoran Wang, Guorong Zhu, Huai Wang

DESIGN OF CONTROL AND PROTECTION SYSTEM FOR MEDIUM-LOW VOLTAGE FLEXIBLE DC DISTRIBUTION NETWORK...... 2679 Yuning Lu, Lin Su, Dong Yuan, Anxin Yan, Ke Jiang

APPLICABILITY ANALYSIS OF SYNCHRONOUS CONDENSER AND STATCOM IN FREQUENCY AND TIME DOMAINS...... 2687 Yichi Zhang, Shaowu Wang, Zhaoyan Liu, Yujiao Sun, Jingyan Liu, Xin Sun, Xiangyu Li, Pu Zhang, Lihua Liu

RESEARCH ON PEAK-CUTTING AND FILLING TECHNOLOGY BASED ON FLEXIBLE INTERCONNECTED DISTRIBUTION NETWORK...... 2694 Zhen Shao, Xiao-Song Zou, Xu-Feng Yuan, Wei Xiong, Yong Yuan, Yu Miao, Zhukui Tan, Yutao Xu

DOUBLE INTEGRAL SLIDING SURFACE BASED INTELLIGENT PROPORTIONAL INTEGRAL CONTROL FOR STANDALONE WIND ENERGY CONVERSION SYSTEM ...... 2701 A. Jain, R. Saravanakumar

DC FAULT BLOCKING METHODS IN DC TRANSMISSION SYSTEM FOR REMOTE WIND FARMS...... 2709 Cheng Peng, Xin Wang, Rui Li

MACHINE LEARNING BASED IMPEDANCE ESTIMATION IN POWER SYSTEM ...... 2715 K. Givaki, S. Seyedzadeh, K. Givaki

DISASTER RECOVERY STRATEGY OF RESILIENT DISTRIBUTION NETWORK BASED ON SCHEDULING COEFFICIENT...... 2721 Jun Wang, Xiaodong Zheng, Nengling Tai, Yu Liu, Zengli Yang, Jing Wang, Qi Tui

A SYSTEM STATE MODELLING AND ABC ALGORITHM OPTIMIZATION FOR CCHP AND SMART BUILDING...... 2729 Bohan Chen, Kai Sun, Chenghui Zhang, Bo Sun

JOINT GENERATION AND ENERGY STORAGE SYSTEMS EXPANSION PLANNING IN INTERCONNECTED POWER SYSTEMS WITH HIGH PENETRATION OF WIND POWER ...... 2736 Heng Zhang, Haozhong Cheng, Jianping Zhang, Cong Li, Jianzhong Lu

A NEW COUPLED INTELLIGENT MODEL OF WORKING FLUID PARAMETERS IN COLLECTOR FIELD OF DSG PARABOLIC TROUGH...... 2744 Su Guo, Mengshuang Feng, Dian Xie, Huanjin Pei, Yiqun Duan, Qiang Sun, Weimin Xi

BILEVEL PLANNING MODEL FOR DISTRIBUTION NETWORK CONSIDERING RENEWABLE ENERGY CONSUMPTION ...... 2750 Wu Kuihua, Wang Jian, Li Xueliang, Yang Bo, Zhao Ren, Wang Zongli, Liang Rong, Li Kai

Author Index