POWER SYSTEM CONSULTANTS

Transcription

1 GROUP POWER SYSTEM CONSULTANTS POWER-LINKER REFERENCE LIST : ELECTRICAL SYSTEM TESTING & COMMISSIONING JOBS Given below is a list of EHV / HV Switchyard and Protective Relay Testing - Commissioning jobs executed by us: SR ACC, Kymore GT-1 Transformer and switchgear testing, Design engineer for tie feeders, Design engineering for Phase -1 colony power, Design engineering for GT-2 switchgear panel Thirumalai Chemicals Limited (TCL), Ranipet Deepak Fertilizers and Chemicals Ltd., Taloja Sesa Sterlite Limited (SSL), Lanjigarh Testing of Relays, CTs and PTs. Protection Relay Setting and Configuration Verification. 30 MW, 11 kv STG-3 Relay Testing ACC, Kymore The scope of work includes, a. CT Testing of LC-3 and LC-5 Substation. b. Relay retrofitting at LC-5 and DG House and c. Cable Differential Stability and Sensitivity Check of Tie Feeders at LC-2 and LC-3 Substation Gujarat Fluorochemicals Limited, Dahej, Gujarat Deepak Fertilizers & Petrochemicals Limited (DFPCL), Taloja Testing of Protection Relays, CTs and PTs at PP-1, PP-2, PP-3 and A&H plant. Testing and Commissioning of the dynamic fault limiter. Page 2 of 26

2 198.0 Thirumalai Chemicals Limited (TCL), Ranipet PT Indorama Synthetics Tbk. Purwakarta, Indonesia Action ISPAT & Power (P) Ltd. Jharsuguda Testing of Protection Relays, CT s and PT s at various electrical substation. Field Engineering Services : The Scope of work shall include, a. Implement TG Governor mode change over : b. Current transformers for, i. Generator differential protection. ii. Generator transformer overall differential protection shall be replaced during shutdown and necessary testing, re-commissioning and setting of relays carried out along with Stability and Sensitivity Checks. c. Incorporation of schemes and the setting of 37 Low Forward Power Protection. d. DVR mode changeover. e. Implementation of Redundant GIS protection relay MICOM P341 based on pre-engineering Design. Which include, i. Testing of 2 Nos. GIS relay. ii. CT, PT interconnection. iii. DC control wiring modification. iv. Uploading of logic. v. Uploading groups setting and carrying out configuration. Testing and Commissioning of 43 MW, 11 kv TG-1 Generator. Page 3 of 26

3 195.0 PT Indorama Analysis of 30MW Generator Tripping and Grid parallel Synthetics Tbk, operation. Purwakarta, Indonesia PT Indorama Synthetics Tbk, Purwakarta, Indonesia Testing and Commissioning of Current Transformers of 30MW TG-1 and TG-2. The Scope of work shall include, a. 10.5kV CT Testing, b. 20kV CT Testing, c. Generator Differential and Overall Differential Protection, Scheme Testing and Commissioning Sterlite Industries (I) Ltd. Tuticorin Testing of Switchyard Equipment. The scope of work include, a. Testing of 6.6kV Current Transformers by Primary Injection. b. Testing and Calibration of Protection Relays ACC, Kymore Testing and Commissioning of following equipments : a. Protection upgradation of 6 Nos. Tie Feeders, b. 6 Nos, 300 kw, 6.6 kv VFD start, BFP Motors, c. 8 MVA, 11 / 3.45 kv Transformer and d. 31.5MVA, 132/11kV Grid Transformer Hindusthan Unilever Ltd. (HUL), Dhapada Malco Energy Ltd., Mettur Indian Farmers Fertilizer Co-operative Ltd., Paradeep Testing of Protection Relays, CT s and PT s at HUL Electrical System. Testing of Protection Relays for Unit # 1, 2, 3 and 4. Testing and Calibration of Protection Relays, CT's and PT's installed on 132 kv / 33 kv / 6.6 kv / 415 V system. Page 4 of 26

4 188.0 Malco Energy Ltd., Mettur Malco Energy Ltd., Mettur Thirumalai Chemicals Limited (TCL), Ranipet Ambuja Cement Ltd., Bhatapara, Chattisgarh Gujarat Flurochemicals Limited, Dahej, Gujarat BG Exploration and Production India Limited, Tapti Offshore Wartsila - Utkal Alumina International Ltd., Rayagada, Odisha Thirumalai Chemicals Limited (TCL), Ranipet Testing of Protection Relays for Unit # 3. Protection Relay Setting and Configuration Verification. Testing and Re-commissioning of 5 MW and 1.86 MW TG set. Testing and Commissioning of 31.5 MVA, 132 / 11 kv Bay - 2 and Its associated Testing of Protection Relays, CTs and PTs of TFE Plant. Testing of Protection Relays and Breakers at BG Panna Platform. Testing and Commissioning of 33 MW, 11 kv Generator -1 & 2 and its associated Trouble Shooting of 5 MW STG Tripping by 86 A Master Trip Relay ACC, Kymore The scope of work includes, a. Testing and Commissioning of 8MVA, 132 / 6.6kV Grid Transformer. b. Testing and Re - commissioning of 16MVA, 6.6 / 3.3kV Transformer. Page 5 of 26

5 179.0 Petronet LNG Ltd., Bharuch Gujarat Fluorochemicals Limited, Dahej (Gujarat) Ultratech Cement Ltd. Kovaya (Gujarat) Hindustan Unilever Ltd. (HUL), Dapada, Silvassa The scope of work includes carrying out, a. Testing of Relays : This will includes testing of protection relays by secondary injection method. b. Testing of Protection Schemes : The tests shall be consisting of, i. Testing of CT's and PT's by primary and secondary injection. ii. Checking of excitation characteristics of CT's. iii. Checking of control circuit of respective feeders and transformer self-mounted protective units. iv. Testing of balance current protection schemes such as, I. Differential Protection Scheme. II. Restricted Earth Fault Protection Scheme. v. The balance current protection scheme to be checked for, I. External Fault Stability. II. Internal Fault Sensitivity. Testing of Protection Relays, CT's and PT's of TFE Plant. Testing and Commissioning of 20MVA, 66/11kV MT # 5 and MT # 6 transformers and Its associated Testing of Protection Relays, CTs and PTs at HUL Electrical System. Page 6 of 26

6 175.0 Bharat Oman Refinaries Ltd. (BORL), Bina (M.P) 20/25 MVA Transformer TR-101 and TR-102, REF Stability and Sensitivity Testing ACC, Kymore Testing and Commissioning of Raw Mill Motor ACC, Kymore Testing and Commissioning of Raw Mill Motor - 2 and Providing Relay Settings for Motor Protection Relay MALCO Energy Ltd., Mettur MALCO Energy Ltd., Mettur Ambuja Cement Ltd., Sankrail Deepak Fertilizers and Chemicals Ltd., Taloja Ultratech Cement Ltd., Kovaya Ultratech Cement Ltd. (Vikram Cement Works) Khor Testing and Commissioning of Micom - P127 Relays. 8MW Unit-5 Hot synchronizing of Breakers. i.e. Online phasing out of Incoming and running bus. Testing of Protection Relays at various Testing and Commissioning of Tie Feeder at Ammonia-ANP. Testing of Protection Relays of 23 MW, 11 kv Unit-3 Generator and Its associated Electrical System. Testing of Line, Transformer and HT Motors : a. Protection Relays, b. Current / Potential Transformers ACC, Kymore a. Testing and Commissioning of 31.5 MVA 132/11 kv Generator Transformer. b. Testing and Commissioning of 132 kv Grid Islanding Scheme and its Panel. c. Testing and Commissioning of Load Sharing Panel Deepak Fertilizers & Petrochemical Corporation Ltd., Taloja Testing, Retrofitting and Commissioning of Siemens Make feeder Protection Relays. Page 7 of 26

7 164.0 IFFCO, Paradeep Testing of Protection Relays, CT s and PT s at various Jakson Ltd., New Delhi, (Client: VAL, Jharsuguda) Ultratech Cement Limited, Kovaya Ultratech Cement Limited, Kovaya Malco Energy Ltd. Mettur Grasim Industries Ltd., Harihar Ultratech Cement Limited, Kovaya Ambuja Cements Limited (ACL) Bhatapara Ultratech Cement Limited, Kovaya Malco Energy Ltd., Mettur Live Phasing Out test for their Black Start DG Sets Project. Testing and Commissioning of 2 nos. 20 MVA, 66/11 kv Power Transformers and Its associated Electrical system. Testing of Protection Relays for 23 MW Unit - 1, 31.5 MVA, Generator Transformer 1 & 2 and Its associated electrical system. Testing of Protection Relays of various Testing of Protection Relays of various Testing of Protection Relay: a. ABB Make, REL 670 Line Distance Protection Relay. b. ABB Make, RED 670 Line Differential Protection Relay and c. Chinese Relay, Nari Make Line Protection Relays. Testing and commissioning of 2 nos. Raw Mill Fan VFD Motors and Working out the Relay Settings. Testing of Protection Relays of 23 MW Generator, 31.5 MVA Generator Transformer Protection Relays and its Electrical System Protective Relays. Testing of Protection Relays of 25 MW Unit - 1, 2, 3 and 4 and its associated Page 8 of 26

8 154.0 ACC, Jamul Testing and Re-commissioning of Restricted Earth Fault Protection Scheme for 3 Nos. 15 MVA, 132/3.3 kv Grid Transformers ACC, Kymore Testing, Retrofitting and Commissioning of ABB make 6 Nos. SPAM 150C Motor Protection Relays Ultra Tech Cement Ltd. (Vikram Cement Works) Khor Vadinar Power Company Ltd. (Essar Project - JamNagar) Ambuja Cement Ltd., Kodinar Gujarat Narmada Valley Fertilizers Co. Ltd. (GNFC), Bharuch Indian Farmers Fertilizer Co-operative Ltd., Paradeep Ambuja Cement Ltd., Lakheri Testing of Protection Relays at 2 x 30 MW C.P.P. Testing and Commissioning of, a. 92 MW, 105 MW, 130 MW STG, its control and relay panels. b MVA, 2x140 MVA, 2x27.5 MVA Power Transformer and its control and relay panels. c. 5 nos. 3.2 MW Motors. Testing of Protection Relays, C.T's and P.T's of various Testing of Protection Relays for 25 MW Generator. Testing of Protection Relays at various Testing of Protection Relays at various Wartsila India Limited Testing of Protection Relays of 2x30 MW generator and 2x45 MVA Generator Transformers Atul Limited, Valsad Testing of 66kV Switchyard Protection Relays and Grid Islanding Schemes. Page 9 of 26

9 144.0 Ambuja Cement Limited, Bhatapara Testing and recommissioning of 2x15MW and 33MW STG. The scope of work includes, a. Generator Protection Relays, CT s and PT s. b. Modifying the PSL logic in MICOM P343 relays and ABC Class trip logics ACC, Kymore Testing and commissioning of ABB make REG 670 relay. The scope of work includes, a. Testing of Generator Protection Relays. b. Creating the logic as per existing wiring in the relay. c. Adopting the Relay settings as per recommendations Ambuja Cement Ltd., Kodinar Essar Projects India Ltd., Salayaa Ambuja Cement Ltd., Dadri Testing of Protection Relays of Electrical system. Testing and Commissioning of 2 x 600 MW Power Plant Scope of work includes, a. Protective Relay, CT s and PT s. b. Current operated Differential Protection Scheme. c. Auto Transfer scheme. Testing of Protection Relays of various electrical system at cement plant ACC, Jamul Testing of Protection Relays of 132 kv and 3.3 kv electrical system at Cement Plant Ambuja Cement Ltd., Bhatapara Petronet LNG Ltd., Bharuch MALCO Energy Ltd., Mettur Testing of Protection Relays of 11 kv and 6.6 kv electrical system at Cement Plant. Testing of Distance Protective Relays and CT s of various Testing of Protection Relays of 25 MW Unit -1&3 and its associated Page 10 of 26

10 135.0 Ambuja Cements Ltd., Suli Ambuja Cements Ltd., Bhatapara Testing of Protection Relays of132 kv and 6.6 kv electrica system. Testing and Commissioning of REF scheme for GT-2 and line differential scheme for Tie Feeders Atul Ltd., Valsad Testing of Current Transformers and Protection Relays of 18 MW STG and 25 MVA Generator Transformer IFFCO, Paradeep Testing of Protection Relays, CT s and PT s at various Century Enka Ltd., Pune Testing and Commissioning of 2 x MW GEG switchgear and its associated ACC, Wadi Testing of relays for 25 MW TG-1 and its associated Grasim, Harihar Testing relays and Current Transformers at 66 kv switchyard and 11 kv MSS Ambuja Cement Ltd., Cement mill-2 and Cement Mill-3, Bhatapara PT Punj Llyod., Indonesia The Scope of work includes, a. Testing of protection relays, CT s and PT s by primary and secondary injection. b. Checking of protection scheme, control circuits and logics as per drawings. c. Carrying out stability and sensitivity checks for current differential protections. Deputation of Engineer to ABB Vietnam works for factory Acceptance Testing (FAT) of following Transformers. a. 2 Nos. 40MVA, 66/11 kv b. 1 No. 12MVA, 66/20 kv c. 2 Nos. 10MVA, 11/6.9 kv d. 3 Nos. 2.5MVA, 6.6/0.4 kv Page 11 of 26

11 126.0 Century Enka Ltd., Pune UltraTech Cement Ltd., Kotputli Cement Works, Kotputli Essar Projects India Ltd., Jamnagar BG Exploration and Production India Limited, Tapti Offshore Ambuja Cement Ltd., Bhatapara Testing and re-commissioning of 31.5 MVA, 220 / 20 kv Grid Transformer-1, 220 kv CT, CB, LA and Protective relays after fault. (October-2010). Testing and Commissioning of 2 Nos. 34 MVA Generator Transformer. Testing and commissioning of 2 x 110 MW CPP for Essar Oil Ltd., Vadinar through Essar Projects India Ltd. Scope of work includes, a. Testing of Protection Relays, CT s and PT s by primary and secondary injection. b. Checking of protection scheme, control circuits and logics as per drawings. c. Carrying out stability and sensitivity checks for current differential protections. d. Load dynamics, no load dynamics and power dynamics Testing of Protection Relays and Breakers. The Scope of work includes, a. Testing of protection relays, CT s and PT s by primary and secondary injection. b. Checking of protection scheme, control circuits and logics as per drawings. c. Carry out testing of, i. Tie Line Feeder-1, 2, 3 and Tie Feeder between HVSB-1 and HVSB-2 at both the ends. ii. Colony Feeder on HVSB-1, Bus-1 Page 12 of 26

12 iii. Crusher Feeder on HVSB-1, Bus-1 iv. Generator Transformer No. 3 REF protection stability and sensitivity check. v. Carrying out stability and sensitivity checks for current differential protections. vi. Load dynamics, no load dynamics, power dynamics and differential protection stability and sensitivity checks for STG-3 and STG BG Exploration and Production India Limited, Panna Offshore The Associated Cement Cos. Ltd. Kymore Cement Works MALCO Energy Ltd., Mettur Reliance Industries Ltd., Nagothane Century Enka Ltd., Pune BG Exploration and Production India Limited, Panna Offshore. Testing of Protection Relays and Breakers. The Scope of work includes, a. Testing of earth fault protection relays by secondary injection testing. b. Checking the modified wiring of earth fault relays at respective feeders. c. Adopting relay settings. Testing and Commissioning of Protection Relays for 25 MW, 6.6 kv Unit-2 and its associated Pre-Commissioning test of Generator and its associated electrical equipments at CPP. 6 MW, DG-2 Trouble Shooting for Mal-operation of Generator Differential Protection. Testing and Commissioning of Zero Flare Gas Compressor at Panna Offshore. Page 13 of 26

13 115.0 MALCO Energy Ltd., Salem Century Enka Ltd. Pune Ultratech Cement Ltd., Kovaya Gujarat Narmada Valley Fertilizer corporation Ltd., (GNFC), Bharuch Essar Steel Ltd., Hazira Vedanta Aluminium Ltd., Lanjigarh, Orisa BG Exploration and Production India Limited, Tapti Offshore. Testing and Commissioning of TNEB line feeder-3 with MICOM P543 and MICOM P127 relay. Testing and commissioning of 220 kv CVT's and Testing of 6.6 kv Motor Protection relays. Testing and re-commissioning of 31.5 MVA, 220/ 6.9 kv Transformer-2, The scope of work includes, a. Testing of 220 kv and 6.9 kv Phase and Neutral CTs by primary and secondary injection. b. Testing of 6.9 kv PT by primary and secondary injection. c. Testing of ABB make RET 521 relay by secondary injection for all its protection. d. Carrying out Transformer differential protection and HV/LV restricted earth fault protection check. Testing of 2 Nos. ABB make, 25 MW, TG-1 and TG-2 generator Protection relay. Testing of 2 Nos. Line Distance protection relay SHPM 101 Quadramho. Testing and commissioning of 30 MW TG-1 and its associated Testing and Commissioning of TR-110 Feeder at Tapti Offshore. The scope of work includes, a. Testing of 1.0 MVA, 3.3 / kv Transformer. b. Testing of CT's and PT's. Page 14 of 26

14 c. Testing of Relays by secondary injection. d. High Voltage testing of 3.3 kv cable. e. Control Circuit checking PT Indorama Synthetics Tbk, Indonesia Century Enka Ltd., Pune MALCO Energy Ltd., Mettur Vedanta Aluminium Ltd., Lanjigarh Korean Power Service Ltd., Korba Korean Power Service Ltd., Korba Jindal Steel and Power Ltd., Raigarh Malco Energy Ltd., Mettur a. 2 x 30 MW Chinese power plant, Chinese make relay testing. b. Testing and commissioning of 2 Nos. 100 MVA transformer, 220 kv switchyard bay and its equipments. Testing and re-commissioning of following equipments of 220 kv switchyard bay-1 and bay-2. a. 2 Nos MVA, 220 / 22 kv Transformer. b. 220 kv CT s, 220 kv PT s and 22 kv switchgear. c. 220 / 22 kv system protective relays. a. Relay testing of 25 MW Generator and its associated b. Testing and commissioning of 2 Nos. 110 kv line protection relay with Areva Make Micom P543. Testing of C.T.s, P.T.s, Relays and Schemes of 30 MW, 11 kv Generator-1 and Generator-2. Testing of Protection Relays, CT s, PT s, Breakers, VCBs and ACB for 135 MW Unit-3. Testing of Protection Relays, CT s, PT s, Breakers, VCBs and ACB for 135 MW Unit-1. a. Testing of 25 MW STG protection relays. b. Testing of protection relays at 11 / 3.3 kv switchgear. c. Testing of 30 Nos. 220 kv Current transformers Testing and commissioning of, a. 25 MW Generator and its protection system. Page 15 of 26

15 b MVA, Generator Transformer protection system. c. Carrying out stability and sensitivity checks for, i. Overall Differential Protection and ii. Restricted earth fault protection Scheme Malco Energy Ltd., Mettur 99.0 M/s. Pt. Indorama Synthetics Tbk, Indonesia Century Enka Ltd., Pune 97.0 The Associated Cement Cos. Ltd. Kymore M/s. Pt. Indorama Synthetics Tbk, Indonesia The Associated Cement Cos. Ltd. (ACC) Jamul Testing and commissioning of 25 MW unit-4 and its associated Testing of Protection Relay, Grid Islanding and Load Shedding Scheme. Testing of Protection relays, CT's and PT's of 22 kv and 6.6 kv system. Testing and Commissioning of 8 MVA, 132/6.6 kv Grid Transformer. Testing of 30 MW Unit-II for, a. Current Transformer s and Potential Transformer's, b. Chinese Generator protection relay, c. Chinese Generator transformer protection relay, d. Generator differential stability and sensitivity schemes, e. Overall differential protection stability sensitivity scheme, f. Electrical system protective relays. a. Testing of 25 MW Generator for, i. Numerical Generator protection relays, ii. Generator Transformer protection relays, iii. Electrical system protection relays. b. Testing of REF stability and sensitivity scheme for 3 Nos., 15 MVA, 132/3.3 kv Grid transformers. Page 16 of 26

16 94.0 Ambuja Cements Ltd., Bathinda Essar Power Ltd., Hazira 92.0 M/s. Hofincons Infotech & Industrial Services Pvt. Ltd., Korba 91.0 M/s. Essar Power Ltd., Hazira 90.0 M/s. PT INDORAMA SYNTHETICS Tbk, Indonesia M/s. PT INDORAMA SYNTHETICS Tbk, Indonesia Gujrat Flurochemicals Limited, Bharuch. Testing of Protection Relays at 132 kv and 11 kv level Testing of 185 MW, 15 kv STG for : a. Generator protection relays, b. 220 kv generator transformer protection relays, c. CTs, PTs, IPCTs, IVTs and d. Generator differential, overall differential and REF stability sensitivity schemes. Testing of Relay, C.T.s, P.T.s, Breakers, VCBs and ACB for Unit-1 (135 MW) at BALCO, Korba site. 110 MW, GTG # 3 GCP and CRP Relay Testing. Testing and commissioning of Grid Islanding and Load shedding scheme for 2 x 30 MW CPP. Testing of 30 MW Unit-I for, a. Current Transformer s, Potential Transformer s. b. Chinese Generator protection relay. c. Chinese Generator transformer protection relay. d. Generator differential stability and sensitivity schemes. e. Overall differential protection stability sensitivity scheme. f. Electrical system protective relays. Testing of 3 Nos. Gas Turbine generators and 2 Nos. Gas Engines for CTs, PTs and Generator differential protection stability sensitivity scheme. Page 17 of 26

17 87.0 M/s. Hofincons Infotech & Industrial Services Pvt. Ltd., Korba 86.0 M/s. PT INDORAMA SYNTHETICS Tbk, Indonesia Hindustan Petroleum Corp. Ltd., Mahul Refinery Indian Farmers Fertiliser Co-operative Ltd., Bareilly Sterlite Industries Ltd, Tutocorin 82.0 China National Machinery & Equipment import & Export Corp. (Gujrat Cement Works) GCW Power Project Site Office 81.0 Thirumalai Chemicals Ltd., Ranipet 80.0 Grasim Industries Ltd., Harihar,Karnataka Testing of Relay, C.T.s, P.T.s, Breakers, VCBs and ACB for Unit-2 (135 MW) at BALCO, Korba site. Testing of Protective Relays and Schemes. Unit-1. Testing of Numerical and Auxiliary Relays. Condition Monitoring Diagnostic Testing of GTG & HT Motors at IFFCO, Aonla Unit. Testing & commissioning of 15/17 MVA generator transformers. Testing of electrical equipments at Ultratech Cement Ltd, Gujarat Cement Work, Gujrat. on TPP project. Testing and Calibration of Protective Relays for PA III plant. Testing and Calibration of protective relays for various 79.0 Century Enka, Pune. Testing of Protective Relays, CT s and PT s of various Page 18 of 26

18 78.0 Hajar Trading & Technical Services, Bahrain Modification and Overhauling of 11 kv Medinsha VCB s for Bahrain MEW. This includes carrying out, a. Wiring modification of auxiliary switches for Meidensha Make VCB s, Type VFT-12 and b. Modification to replace existing auxiliary contact (Finger contacts) block Century Enka, Pune. Testing of Protective Relays, CT s and PT s by Primary & Secondary Current Injection of various 76.0 Balco, Korba Re-commissioning of 220 kv Busbar Differential Protection Scheme at BALCO 270 MW Captive Power Plant Indian Farmers Fertiliser Co-operative Ltd., Paradeep Unit 74.0 MALCO Energy Ltd., Mettur 73.0 Hofincons Infotech & Industrial Services Pvt. Ltd Hofincons Infotech & Industrial Services Pvt. Ltd Emami Paper Mills Ltd., Orissa 70.0 Jindal Steel & Power Ltd., Raigarh. Carrying out Load Dynamics Checks (SCC) & No-Load Dynamics Checks (OCC) for 55 MW TG Set-1 and TG set-2. a. Testing of 110 kv Current Transformers and Synchronizing Circuit Modification. b. Relay Testing of 110 kv Substation & Aluminium Complex. Testing of Protection Relays, C.T.s, P.T.s, Breakers, VCBs and ACB for BALCO, 135 MW Unit # 4. Testing of Protection Relays, C.T.s, P.T.s, Breakers, VCBs and ACB for BALCO, 135 MW Unit # 3. Testing and Commissioning of 15MW Generator and 132kV/ 11kV Power Transformer, 11kV switchgear. a. Testing of Protection relays for 2 x 55MW CPP & Switchyard. b. Testing of Protection relays for Power Plant-1. Page 19 of 26

19 69.0 Essar Oil Ltd., Jamnagar 68.0 Essar Constructions Ltd., Bhander Power Plant, Hazira 67.0 Jindal Steel & Power Ltd., Raigarh Indian Petroleum Corp. Ltd., Nagothane 65.0 Hindalco Industries Ltd., Unit : Birla Copper,Dahej Emami Paper Mills Ltd., Balasore 63.0 ACC Limited, Jamul, Chattisgarh 62.0 Hindustan Zinc Limited, Chittorgarh Testing and Commissioning of GIS, LSS Panel at Essar, Vadinar site. Testing and commissioning of 130MW STG-2. Testing of Protection relays in 2 x 55 MW CPP & Switchyard. Testing and Re-Commissioning of 25 MW GTG-3. Replacement of PPX relay to MICOM relay. Testing and Commissioning of HT switchgears. a. 11 kv panels. b. 6.6 kv panels. c. 132 kv switchyard and d. Generator Relay and Control Panels. Testing of, a. 132kV CT's/relay testing b. 3.3kV Switchgear CT's/relay testing. c. Transformer stability/sensitivity checks. Testing and Calibration of Protection Relays a. 2 x 77MW 11kV STG b. 2 x 100MVA, 132/11kV Generator Transformer c. 132kV line/station transformer d. 6.6kV and 415V PCC. Page 20 of 26

20 61.0 Indian Petrochemicals Corporation Limited, Nagothane 60.0 Essar Oil Ltd., Jamnagar 59.0 Century Enka Limited, Pune 58.0 Essar Project Ltd., Jamnagar 57.0 Indian Farmers Fertiliser Co- operative Ltd., Paradeep Unit, Orissa 56.0 Century Enka Limited, Pune 55.0 Essar Steel Ltd., Hazira 54.0 Orient Paper Mills, Amlai 53.0 Hofincons Infotech & Industrial Services, BALCO, Korba 52.0 MALCO Energy Ltd., Mettur Testing and Re-Commissioning of 25MW STG-1. Testing and Commissioning of Electrical System of Essar Oil Refinery. Testing of Electrical System, Protection Relays, Current Transformer and Potential Transformer. Testing and commissioning of electrical system for 2 x 38.5 MW Power Plant. a. Synchronization & Co-ordination of 55MW Generator b. Load Dynamics Checks (SCC) & No-Load Dynamics checks (OCC) 55MW Generator Testing of Protection Relays, Current Transformer and Potential Transformer of its various Testing of Protection Relays a MW, 11 kv Generator Protection Relays b MW, 11 kv Generator Protection Relays Testing of Protection Relays of various Testing of Protection Relays CTs, PTs, Breakers ACB, VBs for Balco 540MW CPP Testing of Protection Relays at various 51.0 Century Enka, Pune Testing of Protection Relays at various 50.0 Reliance Industries Ltd., Kurkumbh Testing of Protection Relays at various Page 21 of 26

21 49.0 Grasim Industries Ltd., Nagda 48.0 Hindalco Industries Ltd., Dahej 47.0 Essar Oil Ltd., Jamnagar 46.0 Hindalco Industries Ltd., Dahej Testing of Protection Relays at 30 MW (EC-1 & EC-2) Power Plant. Condition Monitoring Testing of 2.85 MW STG # 3 Generator. Testing and Commissioning of various electrical system of Essar Oil Refinery. GIS Scheme modification of MRS-1 and MRS-2 Substation and Relay Setting adopting for Copper I, II and III electrical system 45.0 Hindalco Industries Ltd., Dahej 44.0 Essar Oil Ltd., Jamnagar 43.0 Hindalco Industries Ltd., Dahej 42.0 Indian Farmer Fertilizer Co- operative Ltd., Bareilly 41.0 The Associated Cement Companies Limited, Tikaria 40.0 M/s. Essar Projects Ltd., Jamnagar Condition Monitoring Testing of 10.5 MW, 11 kv Generator and 15 MVA, / 11 kv Generator Transformer. Sweep Frequency Response Analysis (SFRA) Testing of 50/ 60 MVA, 220 / 33 kv transformers. Condition Monitoring Testing of 60 MW, STG # 6 & 80 MVA, 11 / 33 kv Generator Transformer. Condition Monitoring Diagnostic Testing of GTG # 1, GTG # 2 and HT Motors. Testing and Commissioning of 20/25MVA Transformer by replacing existing 8 / 10 MVA transformer. Sweep Frequency Response Analysis (SFRA) Testing of 80 MVA, 230 / 33 kv WYE/WYE/ Delta 3 winding transformers (2 Nos.) M/s. Essar Projects Ltd., Jamnagar Testing and Commissioning of 2 x 38.5 MW Power Plant electrical system for the Essar Oil Refinery Project, Vadinar. Page 22 of 26

22 38.0 M/s. Hindalco Industries Ltd. Modification, Testing and Re-Commissioning of (MRS1, 220kV switchyard and 5 Nos. TG set) Grid Islanding and Load shedding scheme M/s. Grasim, Harihar Testing and calibration of IDMT Protection Relays M/s. Essar Power Ltd., Hazira Testing and commissioning of 55MW SIEMENS Make, STG for 155 MW combined cycle Power Plant and its associated electrical System equipments M/s. Indian Farmers Fertiliser Cooperativ e Ltd., Paradeep Testing and commissioning of existing 132 kv, 6.6 kv and 415 V 34.0 M/s. Thirumalai Testing and Calibration of PA III Plant, 5 MW - TG and Chemicals Ltd., TNEB Incoming feeder Protection Relay. Ranipet 33.0 M/s ACC Ltd., Testing of Protection Relays and H.T switchgears for Chaibasa Cement Works existing cement plant M/s Relene Petrochemicals Ltd., Thane (Ex. Nocil) 31.0 M/s Reliance Industries Ltd., (Glycol Plant) Kurkumb 30.0 M/s Atul Limited, Valsad 29.0 M/s. Grasim Industries Ltd., Nagda 28.0 M/s. Essar Power Ltd., Hazira Commissioning of Electrical system equipment for HTPB plant. Testing and Commissioning of 220kV switchyard Transformer Bay equipments. Testing and Commissioning of 5 MW AEG STG set electrical system and its equipments. Testing of 40 MW STG, its protection relays, C.T's, Control Scheme and its associated Testing and Commissioning of 100 MW HITACHI Make Gas Turbine Generator, its associated electrical system including protection relays and related instrumentation. Page 23 of 26

23 27.0 M/s. Hindalco Industries Ltd., Dahej Testing, calibration and commissioning of protective relays and schemes for 60 MW CPP Generator, 220 kv Switchyard and associated distribution system M/s. Haldia Petrochemicals Ltd., Haldia 25.0 M/s.Jindal Polyester Ltd., Igatpuri 24.0 M/s.The Associated Cement Cos. Ltd., Chandrapur 23.0 M/s.Hindustan Lever Ltd., Silvasa Testing and Calibration of Protection Relays at various Testing and Commissioning of 12.5 MVA, 132 kv / 11kV Transformers. Testing and Calibration of Protection Relays at various Testing and Calibration of Protection Relays at various 22.0 M/s.Bharat Aluminium Company Ltd., Champa Stability and Sensitivity Checks of Restricted earth Fault Scheme for Station Transformer at 240MW CPP Switchyard M/s.Madras Testing and Calibration of Protection Relays at various Aluminium Company Ltd., Mettur 20.0 M/s. Atul Ltd., Testing and Calibration of Protection Relays and Scheme 19.0 M/s.Steel Authority of India Ltd., Rourkela Steel Plant 18.0 M/s. Unimers India Pvt. Ltd., Mumbai testing of Transformers. Testing of a. Busbar Differential Protective Scheme for 132 KV and 33 kv Bus, Generator Protection Relays, 132 kv Transmission Line. b. Testing of Protection Relays, CT / PT Testing, etc Testing and Calibration of Protective Relays at various 17.0 M/s. Orient Paper Mills Ltd., Amlai Testing of Protection relays and three phase energy meters. Page 24 of 26

24 16.0 M/s. Essar Power Ltd., Hazira Testing of 500 MW IPP Electrical System M/s. Eurotex Investigation of reason for unbalance current observed in Industries and MSEB feeder when Captive power plant, D.G. Sets operate Exports Ltd., in parallel with MSEB Kolhapur 14.0 M/s. Grasim Testing and Calibration of Protection Relays at various Industries Ltd., Grasilene & Harihar Polyfiber 13.0 M/s. Sesa Industries Testing and Calibration of Protection Relays at PIG Iron Ltd., Goa Plant M/s. DCW Ltd., Dhrangadhra 11.0 M/s.Grasim Industries Ltd., Nagda Testing and Calibration of EE, ABB make Protection Relays of 3.45 MW BHEL T.G. set. Testing and Commissioning of 40MW co-generation power plant. Electrical system equipments / protective relays servicing, testing, calibration for EC-1, 12.5MW & 16.5MW T.G. sets M/s.Hindustan Lever Ltd., Bombay Testing and Calibration of Protection Relays at various 9.0 M/s.National News Testing and Calibration of Protection Relays at various Prints and Paper Mills, Nepanagar 8.0 M/s.Heavy Water Testing and Commissioning of New Steam Generation Plant. Project, Kota 7.0 M/s. Tarapur Atomic Power Station, Tarapur 6.0 M/s. Gujarat State Fertilizer and Chemicals Ltd., Vadodara Testing and Commissioning of 100 MVA and 260 MVA, 11/220KV Generator Transformers. Testing carried out at Co-generation Plant, a. Phase I: 20MVA, 11/66kV Transformer. b. Phase II: 28MVA, 11/66kV Transformer. c. Phase III: Page 25 of 26

25 i. 35/45 MVA, 11/66kV Transformer. ii. 25MVA, 11/66kV Transformer. 5.0 M/s. Birla Copper, A Testing of 40MVA Transformer at 220 kv Switchyard. Divn. Of Indo Gulf Fertilizer. (Copper Smelter), Dahej 4.0 M/s. Indian Dyestuff Testing of 2.5MVA and 5MVA transformers and 33kV Industries Ltd., Switchyard Equipments. Ranoli 3.0 M/s. Century Enka, Testing of 25MVA, 220/22kV Transformer and Its associated Pune electrical equipment. 2.0 M/s. Bombay Dyeing and Mfg.Co. Ltd., Patalganga Testing of 220kV Switchyard and its associated electrical equipments. 1.0 M/s. National Testing of 12.5MVA and 50MVA Transformers at 100kV Organic Switchyard. Chemical Industries Ltd., Thane Page 26 of 26