File No.CEA-PS-12-14(12)/1/2018-PSPA-11 Division 1/1221/2018 ~ :e '(Cflj '( Government of India Fe! 'ld)d +i~ I {14 Ministry of Power %" ;: ~'f 4" 'fcr ~ 'd" '5I" Tflr Cfi""'l'Uf Central Electricity Authority 'Fcr ~ 'd" '5I" 'Of r{1"t 4"T~ifT ~cf 1J_ ~ :q-f Cfi"if '5I" 'ifPT - II Power System Planning & Appraisal Division-11 "frcrr i'r /To, ~~~~ As per list enclosed ~: ~ ~ ~ ful:!: ~ ~ ~ 'R ~ ~ # 42 efT m CfiT 9'll4'fd I Subject: Minutes of 42nd meeting of Standing Committee on Power System Planning for Southern Region. ~(Sir)/ii~~'"II(Madam), ~ ~ ~ ful:!: ~ ~ ~ 'R ~ ~ # 42 efT m 21 ~. 2o18 ~ o:;s:~l:!li.1l"l c~) if aw0j1~a # 1T{ m 1 ~ m ~ 9'll41'd # ~ ~ ~~3lf0f!{~"fll4ctlcll ~~~I . The 42nd meeting of the Standing Committee on Power System Planning of Southern Region was held on 27th April, 2018 at Ernakulam (Kerala). A copy of minutes of the meeting is enclosed for your information and necessary action. ~!Yours faithfully, 6i~S'·Lh~ 6- ,.,.,. (Gft".~.~/B.S. Bairwa) ~!{T'tl/Director ~' .3'1"R". <t. ~-1, ~-110066 ~: 011-26198092 ~: [email protected] ~: www.cea.nic.in Sewa Bhawan, R.K Puram-1, New Delhi-110066 Telephone: 011-26198092 Email:[email protected]: www.cea.nic.in Address List: 1.The Member Secretary, 2.The Director (Projects), Southern Regional Power Committee, Power Grid Corp. of India Ltd. 29, Race Course Cross Road, “Saudamini”, Plot No.2, Sector-29, Bangalore 560 009. Gurgaon 122 001, Haryana. FAX : 080-22259343 FAX : 95124-2571932 3. CEO, POSOCO, 4. The Director (Transmission), B-9, Qutub Institutional Area, Karnataka State Power Trans. Corp.Ltd., Katwaria Sarai, Cauvery Bhawan, New Delhi-110016 Bangalore - 560 009. FAX : 080 -22228367 5.The Director (Transmission), 6. The Director Transmission Corp. of Andhra Pradesh Ltd., ( GridTransmission and Management), (APTRANSCO) Transmission Corp. of Telangana Ltd., Vidyut Soudha, (TSTRANSCO) Hyderabad – 500 082. Vidyut Soudha, Khairatabad FAX : 040-66665137 Hyderabad – 500 082. FAX : 040-23321751 7.The Director (Trans. & System Op.), 8. Member (Distribution), Kerala State Electricity Board, Tamil Nadu electricity Board (TNEB), Vidyuthi Bhawanam, 6th Floor, Eastern Wing, 800 Anna Salai, Pattom, Chennai - 600002. Thiruvananthapuram - 695 004. FAX : 044-28516362 FAX : 0471-2444738 9.The Director (Power), 10. The Superintending Engineer –I, Corporate Office, Block – I, First Floor, Electricity Department, Neyveli Lignite Corp. Ltd., Gingy Salai, Neyveli, Tamil Nadu – 607 801. Puducherry – 605 001. FAX : 04142-252650 FAX : 0413-2334277/2331556 11. Director (Projects), 12. Director (Operations), National Thermal Power Corp. Ltd. (NTPC), NPCIL, 12th Floor, NTPC Bhawan, Core-7, Scope Complex, Vikram Sarabhai Bhawan, Lodhi Road,New Delhi-110003. Anushakti Nagar, FAX-011-24360912 Mumbai – 400 094. FAX : 022- 25991258 Copy to: 1. COO(CTU-Plg), 2. ED, SRLDC Power Grid Corp. of India Ltd. 29, Race Course Cross Road, “Saudamini”, Plot No.2, Sector-29, Bangalore 560 009 Gurgaon 122 001, Haryana. FAX – 080-22268725 FAX : 95124-2571932 2 Minutes of 42nd meeting of SCPSPSR held on 27.04.2018 Minutes of 42nd Meeting of the Standing Committee on Power System Planning in Southern Region (SCPSPSR) held on 27 April, 2018(Friday) at Ernakulam, Kerala. Member (PS), CEA welcomed the participants. He requested the committee members to have positive deliberations so that consensus could be reached on critical issues. He thanked KSEBL for hosting the meeting in short notice. Chief Engineer (PSPA-II), CEA stated that the agenda for the meeting includes some critical issues relating to integration of renewable energy, requirement of reactive compensation at various node and augmentation of no. of substations After a brief introduction of participants, he requested Director (PSPA-II), CEA to take up the agenda items for deliberation. List of participants is enclosed at Annex-I. 1.0 Confirmation of the minutes of 41stmeeting of the Standing Committee 1.1 Director(PSPA-II), CEA stated that the minutes of 41st meeting of the Standing Committee on Power System Planning of Southern Region held on 22nd September 2017, were issued vide CEA’s letter No. 51/4/ (41st)/PSPA-1112017/1569-82 dated 06thDecember, 2017. 1.2 He informed that requests for following amendments in the Minutes of Meeting have been received: a) TANTRANSCO had suggested for following modifications in para 10.8 (iv) of item 10 (Transmission scheme modification of Manali & Korattur 400/230-110kV substation in Chennai Region) Existing Para (iv) “Korattur – Manali 400 kV S/C line (on the D/C tower) with HTLS conductor” Suggested para (iv) “Korattur –Manali 400 kV S/C line on D/C tower” Members agreed with the suggested modification. b) Item no. 12 (Establishment of Konthagai 400/230 kV substation in Madurai region), TANTRANSCO had requested for introduction of 110 kV level in the Konthagai 400/230 kV substation along with 2 X 200 MVA, 400/110 kV ICT. Director (PSPA-II), CEA stated that in the 41st meeting of SCPSPSR, the introduction of 110 kV level of Konthagai S/S was neither an agenda nor it was discussed. He suggested TANTRANSCO to include the proposal as an agenda item for discussion in this meeting. Members agreed to take for the requested modification. c) NLC India Limited suggested amendment in Para 13.2 of Item 13 (NLCIL-NNTPP (2x500 MW) – Startup Power Requirement) : 1 Minutes of 42nd meeting of SCPSPSR held on 27.04.2018 Existing para: “Representative of NLC stated that they had started availing startup power from STU and LILO of 230kV Tie Lines I &II (connecting NLC TPS –II and TPS-I) was not required. Accordingly, Members decided to drop this proposal”. Suggested para “NLCIL requested to drop the agenda points of drawl of Startup Power to NNTPP since approval had already been obtained in the Commercial Sub Committee meeting of SRPC for availing startup power through Deviation Settlement Mechanism (DSM) as per CERC regulation through NLCIL s own 230 kV TIE Lines LILO at NNTPP”. Members didn’t agree for the modifications. d) TANTRANSCO suggested amendment in Para 14.2 of Item 14 (Power evacuation Scheme of 500MW Kadaladi Ultra Mega Solar PV Power Project at Narippaiyur of Kadaladi Taluk in Ramnad district under state sector) as under Existing Para “Director, PSPA-II stated that LILO of Kamuthi- Thappagundu 400 kV D/C line and Kamuthi- Thappagundu 400 kV D/C line at Virudhnagar S/S had already been approved under evacuation system for Uppur TPS (2x800MW)”. Suggested para “Director, PSPA-II stated that “Kamuthi – Thappagundu 400 kV D/C line and LILO of Kamuthi – Thappagundu 400 kV D/C line at Virudhunagar S/S had already been approved under the establishment of Virudhunagar765/400 kV SS”. Members agreed for the suggested modifications. e) NLC India Limited suggested following amendment in para.22.1 (B) of Item 22 (Establishment of Neyveli 400/230 kV Substation - By Upgradation of the Neyveli (TNEB) 230 KV SS):: Existing Para “B. 400 KV CONNECTIVITY: i) New Neyveli Thermal power station- Neyveli (TNEB) 400 kV D/C Link. ii) Manalmedu- Neyveli (TNEB) 400 kV D/C Link”. Suggested para for addition “NLCIL informed that there are no spare bays available for connecting NNTPP with TANTRANSCO, for proposed 400 kV SS through 400 kV D/C lines. Further it was informed that joint inspection can be had for the same by NLCIL & TANTRANSCO.” 2 Minutes of 42nd meeting of SCPSPSR held on 27.04.2018 Members were of the opinion that the recording in the minutes are in line with the discussion held in the meeting. Accordingly, suggested amendment was not agreed. 1.3 With the above amendments, the minutes of 41st meeting of the Standing Committee on Power System Planning of Southern Region were confirmed. Follow up issues of previous meetings of SCPSPSR 2.0 Reactive power compensation for Uppur TPS (2X 800 MW) : 2.1 Director(PSPA-II) CEA, informed that in the 41st SCPSPSR the following system was agreed for evacuation of 2x 800 MW Generation from Uppur TPS and renewable generation. A. ATS for UPPUR (2X800MW) project: i) Uppur- Virudhnagar 765kV D/C line ii) 2X240MVAR, 765kV bus reactors at the Uppur 765kV switchyard. B. Establishment of 765/400kV S/S at Virudhnagar (For evacuation of power from Uppur and Pooling of Renewable Generation): i) 765/400 kV, 2X1500MVA ICTs ii) 765kV Connectivity: a) Virudhnagar- Coimbatore 765kV D/C line iii) 400kV Connectivity: a) Virudhnagar- Kayathar 400kV D/C line (Quad Moose ACSR Conductor). b) Virudhnagar -Kamuthi 400kV D/C line (Quad Moose ACSR Conductor). c) Virudhnagar -Thappagundu 400kV D/C line (Quad Moose ACSR Conductor). 2.2 Further, in 41st meeting of SCPSPSR, it was decided that requirement of reactive compensation at both ends of Coimbatore-Virudhnagar 765kV D/C line would be jointly studied by CTU, TANTRANSCO & CEA. 2.3 Director(PSPA-II) CEA, informed that a joint study meeting was held on 19.04.2018 at CEA. In the meeting, it was decided that 2 x 330 MVAR bus reactor at Virudhnagar and 240 MVAR switchable line reactors at both ends of each circuit of Virudhnagar- Coimbatore 765kV D/C would be required for reactive power compensation. Further, 1 x 125 MVAR bus reactors would be required at 400kV buses of Kayathar, Kamuthi, Thappagundu substations. 2.4 Representative of CTU stated that considering spare requirement and interchangeability, it is advisable to keep identical rating of equipments in one 3 Minutes of 42nd meeting of SCPSPSR held on 27.04.2018 substation. He suggested that 330 MVAR switchable line reactor (in place of 240 MVAR) may be provided on each circuit at Virudhnagar substation.. 2.5 After deliberations, following scheme was agreed for reactive power compensation: i.