Transmission Lines / Elements Details Proposed Date & Time
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TAMIL NADU TRANSMISSION CORPORATION LIMITED Consolidation of LC for the month of April 2017 at 3rd TNSOCC Meeting Transmission Lines / Elements Details Proposed Date & Time Name of Voltage Recommend From To No. of Sl. No From Substation To Substation Purpose conditions From Date To Date Remarks SE Approval the LDC Level (KV) ations Time Time days On 110KV Kayathar - Eppodumvandaran A) For Monthly maintenance work. B) For Tower to 1 Madurai 110 KV KAYATHAR 230 KV During the LC period. there will be no supply in entire feeder . Hence no SS affected POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved feeder breaker with CT & entire line. Tower inspection subject to 110KV ARASUR feeder Breaker,CTs and 2 Erode 110 KV THINGALUR 230 KV Monthly Maintenace Works 110KV VELAMPALAYAM SS availing total shutdown.Feeder will be back charged. possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 velampalayam ss Approved Line isolators. availing tsd subject to AUTO Transformer 1,HV 1 and LV 1's 3 Erode 230 KV THINGALUR 230 KV Monthly Maintenance Works. 110KV VELAMPALAYAM SS availing total shutdown.No SS will be affected. possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 velampalayam ss Approved Breakers with CTs availing tsd subject to 110 KV ERODE - THIRUVACHI FEEDER DURING LC PERIOD METTUKADAI 110 KV SS UNDER TOTAL SHUTDOWN 4 Erode 110 KV Erode 110 KV MONTHLY MAINENANCE WORK. possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 15:00 1 mettukadai ss Approved BREAKER AND CT CONDITION. NECESSARY CONCURRENCE OBTAINED FROM SE/EEDC/ERODE. availing tsd For releasing the jumpers at Loc.33 towards Alagarkoil and for releasing the Conductors from Loc 1)110/33-11KV Anupanadi SS loads will be under Interruption . 2)110KV Pasumalai - sub to approval of No 33 to 34 so as to issue LC for replacement of DC Alagarkoil -1 feeder will be kept radial from Alagarkoil upto Vandiyur SS 3)110KV long lc and 110KV Pasumalai - Alagarkoil -1 # Section 5 Madurai 110 KV PASUMALAI 230 KV Line on DC Towers with Leopard Conductor into DC Pasumalai - Alagarkoil -1 feeder will be kept radial from Pasumalai upto Avaniyapuram POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 11:00 1 approval for Approved between Avaniyapuram and Vandiyur SS Line on DC Towers with Panther conductor in the SS 4) Concurrence obtained from SE/Metro / Madurai for the Interruption and from the interruption to section between from T.Loc 34 to T.Loc 44 by the SE/Madurai and SE/Sivaganga for the above arrangements Anupanadi ss. TLC wing 1) The sakthisugars feeder will be kept fed from Alkl end through 110KV Alagarkoil - For releasing the jumpers towards Sakthi Sugars at Karaikudi Feeder so as to feed Uranganpatty SS, Nattarmanaglam , Nelmudikarai and DP Loc No 33/1 and for releasing the Conductors Arasanoor SS upto Sakthisugars. 2) At Uranganpatty SS the switch towards Pasumalai sub to approval of from DP Loc No 33/1 to DP Loc No 33/2 so as to SS will be kept opened and earthed.3)110KV Sakthisugar -Sivaganga Feeder will be in long lc and Approved Note to be 110KV Pasumalai - Sakthi Sugars # Section 6 Madurai 110 KV PASUMALAI 230 KV issue LC for replacement of DC Line on DC Towers grid 4)110KV Alagarkoil - Karaikudi Feeder will be radial from Karaikudi upto POSSBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 11:00 1 approval for put up for approval between Pasumalai and Uranganpatty with Leopard Conductor into DC Line on DC Towers Narasingampatti SS. 5) At Narasingampatti SS the switch towards Alagarkoil will be kept interruption to (15 days) with Panther conductor in the section from DP Loc open. 6) 110/33-11KV Villapuram SS will be under Interruption.7)Concurrence obtained Villapuram ss. No 33/ 2 to T.Loc 44 by the TLC wing from SE/Metro / Madurai for the Interruption and from the SE/Madurai and SE/Sivaganga for the above arrangements 110 KV N.G PALAYAM SS,110 KV PERIYAKODIVERY SS,110 KV ALUKULI SS,110 KV 110 KV PERIYAKODIVERY FEEDER FOR GRT RELAY TESTING WORK BY P&C/GOBI 7 Erode 110 KV GOBI 230 KV KAVILIPALAYAM AND 110 KV SHENBAGAPUDUR SS MAY AVAIL TOTAL SHUTDOWN Possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved BREAKER,CT'S WITH LINE SWITCH AND ALSO FOR MONTHLY MAINTENANCE WORK AS PER THE CE/D/Erode APPROVAL.No other SS will affected. 230 KV Salem Steel Plant I # - Its CT, 8 Erode 230 KV Salem 400 KV Monthly Maintenance Work possible Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 17:00 1 0 Approved BREAKER, BUS & LINE SWITCHES Ltd., 230 KV Salem Steel Plant I # - Its CT, repeat of 9 Erode 230 KV Salem 400 KV Monthly Maintenance Work Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 14:00 1 0 Repeat BREAKER, BUS & LINE SWITCHES Ltd., 52728 1.For attending breaker and it's CT's and isolators During the LC period 110KV VGTPS - Perungulam and 110KV Valuthur - Perungulam 110KV Valuthur - Perungulam feeder entire Monthly Maintenance work at Valuthur SS.2.For feeders will be cut off from service. 110KV Arkay - Mandapam feeder will be up to sub to Total s/d of 10 Madurai 110 KV VALUTHUR 230 KV POSSIBLE Sat, 01-Apr-2017 10:00 Sat, 01-Apr-2017 17:00 1 Approved and 110KV bus entire at Perungulam SS. attending all 110KV bus isolators maintenance work Mandapam SS only. Hence, there is 'no' supply interruption to 110KV Mandapam SS. perungulam ss at Perungulam SS. Total shut down will be availed at 110KV Perungulam SS. During the L.C period the 110KV Amaravathipudur SS under TSD and the feeder will be sub to Total s/d of 11 Madurai 110 KV KARAIKUDI 230 KV On 110KV KKDI-VLDR # S/B KKDI & TVDI. Flashed over Disc replacement work. tied with grid through 110KV Devakottai feeder.Hence there will be no interruption of POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 Amaravathipudur Approved Supply. ss 110KV Kadalangudy- Neyveli TS I feeder No interruption to any SS. 110KV Jayankondam SS and Papakudy SS proposed to For Line premonsoon inspection and rectification 12 Madurai 110 KV KADALANGUDI 230 KV (line portion between 110KV Thirupanandal shutdown. 110KV Kadalangudy- Neyveli TS I feeder will be in radial condition up to POSSIBLE Sat, 01-Apr-2017 10:00 Sat, 01-Apr-2017 16:00 1 Sub to total s/d Approved work. SS and Srimushnam SS) 110KV Thirupanandal SS. FOR REPLACEMENT OF LIFE SERVED 245V DURING THE PERIOD OF SHUTDOWN , EXCEPT 230 KV NCTPS-I FEEDER ALL 13 Chennai 230 KV TONDIARPET 230 KV 230 KV NCTPS-I FEEDER Pending Sat, 01-Apr-2017 06:00 Mon, 03-Apr-2017 16:00 3 Approved BREAKER IN 230 KV NCTPS- I FEEDER OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE. (i) 110KV SBT - RNPM II # Bkr, CTs and During the LC period,(i) Gandhigramam SS is availing total shutdown the feeder will be sub to load section bet. SBT and Gandhigramam SS(ii) radial from other end upto Gandhigramam SS.(ii) Sengurichi and Sendurai SS are 14 Madurai 110 KV SEMBATTY 230 KV 1. Monthly maintenance work2. Tree cutting work POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 condition and toal Approved 110KV SBT - Alundur # Bkr, CTs and section availing total shutdown, the feeder will be radial from other end upto Thamaraipadi s/d bet. SBT and Thamaraipadi SS SS.Hence no interruption to any SS. FOR(tlc Work) stringing between tower loc 51/0 to 52/0 in the newly erected 230kv dc line from 110KV KAYATHAR- EPPODUMVENDRAN 15 Madurai 110 KV KAYATHAR 230 KV Kayathar400KVSSto tuticorin autoSS Cross Over During the LC Period,There will be nosupply in entire line POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved FEEDER ENDIRE LINE the 110KV Kayathar-Eppodumvendran Feeder (For Safety Purpose) Subject to load 16 Chennai 230 KV Thiruvalam 400 KV 230KV Thiruvalam Link -II Feeder Maintenance & GRT periodical Relay test 230 Kv Thiruvalam Link-II feeder kept off condition at both end. Posssible Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 17:00 1 Approved condition During the Line Clear period,1)Kallivelampatty SS and Naranapuram SS under total Shut For Monthly maintenance work(Kallivelampatty SS subject to tsd 17 Erode 110 KV ARASUR 230 KV down.2) 110 KV KPR EHT (Kaniyur unit) and 110 KV Itchipatty ss will be fed through 110 possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 12:00 1 Approved and Its CTs. and Naranapuram SS total Shut down) being realized KV Arasur-Kaniyur #. During the LC period, a)110KV Thanjavur- Alundur feeder radially from other end. 110KV Alundur - Thanjavur Feeder breaker a)Preventive Monthly maintenance work. b)Relay 18 Madurai 110 KV ALUNDUR 230 KV b)110KV Ambigapuram SS avail Total shutdown. c) All other 110 KV feeders will be in POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved and CT's only. testing work. service. c) There will be no interruption of supply to any other feeders & SS. 110 KV Asr-Palladam feeder Section between Itchipatty SS,Naranapuram During the LC period 110 KV Kalivelampatty SS and 110 KV Naranapuram SS availing subject to tsd 19 Erode 110 KV ARASUR 230 KV For PMI Works By AEE/L/Palladam possible Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 14:00 1 Approved SS,Kalivelampatty SS & 110 KV Palladam total shutdown.