APPENDIX V TECHNICAL REPORT Contents Chapter Title Page 1. Executive Summary ...................................................... V-6 1.1 Introduction .............................................................. V-6 1.2 Project Participants ........................................................ V-8 1.3 Wind Turbine Generator (WTG) Technologies .................................. V-9 1.4 Wind Resource Assessment ................................................ V-9 1.5 Grid Connections Assessment ............................................... V-10 1.6 Performance of Wind Farms ................................................ V-12 1.7 Operation and Maintenance of Wind Farms .................................... V-12 1.8 Technical Review of Gas-fired Power Plants ................................... V-13 2. Introduction ............................................................. V-14 2.1 Overview ................................................................ V-14 2.2 Assets Overview .......................................................... V-15 2.2.1 General Overview ......................................................... V-15 2.2.2 Selection of Representative Wind Farms ...................................... V-16 2.3 Report Structure .......................................................... V-18 2.4 Status of this Document .................................................... V-19 3. Project Participants ...................................................... V-19 3.1 Introduction .............................................................. V-19 3.2 Beijing Jingneng Clean Energy Co,. Limited .................................... V-19 3.3 WTG Suppliers ........................................................... V-19 3.3.1 Xinjiang Goldwind Science & Technology Co., Ltd. .............................. V-20 3.3.2 Sinovel Wind Group Co., Ltd. ................................................ V-20 3.3.3 Suzlon .................................................................. V-20 3.3.4 Nordex .................................................................. V-21 3.3.5 Sewind Co., Ltd. .......................................................... V-21 3.3.6 Conclusion ............................................................... V-22 3.4 Gas Turbine Suppliers ..................................................... V-22 3.4.1 General Electric ........................................................... V-22 3.4.2 Mitsubishi Heavy Industries Limited ........................................... V-22 3.4.3 Conclusion ............................................................... V-22 3.5 Grid Operators ............................................................ V-22 3.5.1 Grid Operators in Selected Projects .......................................... V-23 3.5.2 State Grid Corporation of China (SGCC) ...................................... V-24 3.5.3 Inner Mongolia Power Company ............................................. V-24 3.5.4 Conclusion ............................................................... V-24 V-1 APPENDIX V TECHNICAL REPORT Chapter Title Page 3.6 General Conclusion ....................................................... V-24 4. Wind Turbine Technologies ............................................... V-25 4.1 Key Wind Turbines Involved ................................................. V-25 4.1.1 Goldwind S50-750 and GW77-1500 .......................................... V-25 4.1.2 Sinovel SL1500 ........................................................... V-26 4.1.3 Suzlon S82-1500 .......................................................... V-27 4.1.4 Nordex S70/S77 CCV-1500 ................................................. V-28 4.1.5 Sewind SEC-1250 ......................................................... V-28 4.2 Conclusions .............................................................. V-29 5. Wind Resources Assessment .............................................. V-30 5.1 Introduction .............................................................. V-30 5.2 Chinese Standards for Wind Resources Assessment ............................ V-30 5.2.1 Methodology of GB/T 18709-2002 ............................................ V-30 5.2.2 Methodology of GB/T 18710-2002 ............................................ V-30 5.3 Feasibility Studies for the Representative Wind Farms ........................... V-31 5.3.1 Wind Resource ........................................................... V-31 5.3.2 Energy Yield ............................................................. V-32 5.4 Conclusions .............................................................. V-34 6. Grid Connection Assessment .............................................. V-34 6.1 Introduction .............................................................. V-34 6.2 Key Issues Addressed in Grid Connection Studies .............................. V-35 6.2.1 Equipment Capacity of the Wind Farm Step-up Substation ........................ V-35 6.2.2 Reactive Power Compensation and Voltage Control ............................. V-36 6.2.3 Local Power Grid Operation ................................................. V-37 6.3 Grid Connection Assessment on Each Wind Farm .............................. V-38 6.3.1 Introduction .............................................................. V-38 6.3.2 Saihan Wind Farm Phase I ................................................. V-38 6.3.2.1 Equipment Capacity ....................................................... V-38 6.3.2.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-38 6.3.2.3 Local Power Grid Operation ................................................. V-39 6.3.3 Zheligentu Wind Farm Phase I ............................................... V-39 6.3.3.1 Equipment Capacity ....................................................... V-39 6.3.3.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-40 6.3.3.3 Local Power Grid Operation ................................................. V-40 6.3.4 Jixianghuaya Wind Farm Phase I and II ....................................... V-40 V-2 APPENDIX V TECHNICAL REPORT Chapter Title Page 6.3.4.1 Equipment Capacity ....................................................... V-40 6.3.4.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-41 6.3.4.3 Local Power Grid Operation ................................................. V-41 6.3.5 Chayouzhong Wind Farm Phase I ............................................ V-42 6.3.5.1 Equipment Capacity ....................................................... V-42 6.3.5.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-42 6.3.5.3 Local Power Grid Operation ................................................. V-43 6.3.6 Wulanyiligeng Wind Farm ................................................... V-43 6.3.6.1 Equipment Capacity ....................................................... V-43 6.3.6.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-44 6.3.6.3 Local Power Grid Operation ................................................. V-44 6.3.7 Changtu, Taiyangshan Wind Farm ........................................... V-44 6.3.7.1 Equipment Capacity ....................................................... V-44 6.3.7.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-45 6.3.7.3 Local Power Grid Operation ................................................. V-45 6.3.8 Lumingshan Guanting Wind Farm Phase I ..................................... V-45 6.3.8.1 Equipment Capacity ....................................................... V-45 6.3.8.2 Reactive Power Compensation Capacity and Voltage Control Capacity ............. V-46 6.3.8.3 Local Power Grid Operation ................................................. V-46 6.4 Conclusions .............................................................. V-46 7. Performance of Wind Farms ............................................... V-48 7.1 Definition of WTG Availability ................................................ V-48 7.2 Wind Farms Performance—Generation and Availability .......................... V-48 7.2.1 Saihan Wind Farm Phase I ................................................. V-48 7.2.1.1 Generation and Availability .................................................. V-49 7.2.1.2 Conclusions .............................................................. V-51 7.2.2 Zheligentu Wind Farm Phase I ............................................... V-52 7.2.2.1 Generation and Availability .................................................. V-52 7.2.2.2 Conclusions .............................................................. V-54 7.2.3 Jixianghuaya Wind Farm Phase I and II ....................................... V-55 7.2.3.1 Generation and Availability .................................................. V-55 7.2.3.2 Conclusions .............................................................. V-57 7.2.4 Chayouzhong Wind Farm Phase I ............................................ V-57 7.2.4.1 Generation and Availability .................................................. V-58 7.2.4.2 Conclusions .............................................................. V-60 7.2.5 Wulanyiligeng Wind Farm ................................................... V-61 V-3 APPENDIX V TECHNICAL REPORT Chapter Title Page 7.2.5.1 Generation and Availability .................................................. V-61 7.2.5.2 Conclusions .............................................................