Steel Plants

SR. NO. NAME OF THE COMPANY / REPEAT ORDERS RECEIVED SERVICES OFFERED DETAILS OF JOB EXECUTED
1 Utkal Alumina International Ltd., Rayagada, Odisha February 2014 Testing and Commissioning Testing and Commissioning of 23 MW, 11 kV Unit-1 Generator, CT’s, PT’s, Protection Relays and its schemes.
2 Wartsila India Limited, February 2014 Testing and Commissioning Testing of Generator Protection Relays of 2×30 MW unit and Relays of 2×45 MVA Generator Transformers.
3 Vedanta Aluminium Ltd., Jharsuguda, Orisa Testing and Commissioning Hot synchronizing of Breakers. i.e. Online phasing out of Incoming and running bus.
4 M/s.Steel Authority of India Ltd., Rourkela Steel Plant
January 2004		 Testing and Commissioning Testing of Busbar Differential Protective Scheme for 132 KV and 33 kV Bus, Generator Protective Relays, 132 kV Transmission Line Protection Relays, CT / PT Testing, Relay Testing etc.
5 M/s.DCW Ltd., Dhrangadhra
May 1998		 Testing and Commissioning Checking and Testing of EE, ABB make protective relays of 3.45 MW BHEL T.G. set.
6 Essar Steels Ltd., HBI, Hazira
January 2014		 Condition Monitoring Testing Condition Monitoring Testing of,
1. Generator Rotor and
2. Exciter Stator and Rotor.
May 2011 Condition Monitoring Testing Condition Monitoring Testing of 10 MW, 11 kV Generator.
2013, 2010, 2006, 2004 Condition Monitoring Testing Condition Monitoring testing of,
1. 12.2 MW, 11 kV, Bhel Make Generator.
2. 11.1 MW, 11 kV, Bhel Make Generator.
2003 System Study System study of electrical distribution system which includes,
1. 3 Phase and 1 Phase Short Circuit Studies.
2. Review of protection system.
3. Working out plant Relay Setting & Relay Co-ordination.
4. Unit Protection relay setting.
Testing and Commissioning Testing of 2 Nos. Line Distance protection relay SHPM 101 Quadramho.
Testing and Commissioning Relays Testing of,
12.2 MW, 11 kV Generator Protection Relays.
11.1 MW, 11 kV Generator Protection Relays.
7 Nalwa Steel and Power Ltd., Raigarh
2011, 2010		 Condition Monitoring Testing Condition Monitoring testing of 2 x 8 MW, BHEL make Generator.
8 Jindal Steel and Power Ltd., Raigarh
Septeber 2010		 Condition Monitoring Testing Condition Monitoring Testing of,
1. 21 MW Generator-6.
2. 2 Nos. 31.5 MVA, 11/11.5 kV Generator Transformer.
November 2009 Condition Monitoring Testing 1. Condition Monitoring Testing of Power Transformer.
i. 120 MVA, 220/33 kV Power Transformer.
ii. 40 MVA, 220/11 kV Power Transformer.
2. Condition Monitoring testing of 6 Nos., 220 kV Current Transformers.
3. Online Health Assessments of 117 Nos., 220 kV Lightning Arresters.
November 2009 Condition Monitoring Testing Online health checkup of 100 Nos. 220 kV Lightning Arrester.
July 2009 Condition Monitoring Testing Condition Monitoring Testing of following Transformers.
1. 4 x 100 / 120 MVA, 220 / 33 kV Power Transformers.
2. 2 x 20 / 25 MVA, 33 / 6.9 kV Power Transformers.
3. 30 Nos. 220 kV Current Transformers.
April 2009 Condition Monitoring Testing Condition Monitoring and Diagnostic testing of,
32 MVA, 11.5 / 11 kV, URT for TG-5.
August 2007 Testing and Commissioning 1. Testing of 25 MW STG protection relays.
2. Testing of protective relays at 11 / 3.3 kV switchgear.
3. Testing of 30 Nos. 220 kV Current transformers.
April 2009 Testing and Commissioning 1. Testing of relays in 2 x 55 MW CPP & Switchyard.
2. Testing of relays in Power Plant-1.
August 2007 Testing and Commissioning Testing of relays in 2 x 55 MW CPP & Switchyard.
9 Vedanta Aluminium Ltd., Lanjigarh Condition Monitoring Testing Condition Monitoring Testing of 8 nos., 33 kV Power Cable by VLF method.
July – August 2009 Condition Monitoring Testing 1. Online health checkup of Lightning Arrester for, 12 Nos. 33 kV Lightning Arresters and 6 Nos. 132 kV Lightning Arresters.
2. 30 MW, 11 kV Generator-2.
3. 2 x 40 MVA, 34.5 / 11 kV Generator Transformers.
4. 2 x 16/20 MVA, 33/6.9 kV Auxiliary Transformer.
5. 2 x 25 MVA, 132 / 33 kV Grid Transformers.
February 2009 Condition Monitoring Testing Condition Monitoring Testing of,
1. 30 MW Generator and
2. 40 MVA, 33/11 kV Generator Transformer.
Testing and Commissioning Testing of CT’s,PT’s, Relays and Schemes of 30 MW, 11 kV.
10 Bharat Aluminum Co. Ltd., Korba
June 2009		 Condition Monitoring Testing Diagnostic testing of,
1. 12 / 20 MVA, 220 kV / 6.9 kV for Station Transformer.
2. 3 Nos. 220 kV Current Transformer.
Condition Monitoring Testing 80 MVA, 235KV/ 11KV, ALSTOM make Power Transformer.
Testing and Commissioning Re-commissioning of 220 kV Busbar Differential Protection Scheme at BALCO 270 MW Captive Power Plant.
11 M/s.Bharat Aluminium Company Ltd., Champa Testing and Commissioning Stability and Sensitivity Checks of Restricted earth Fault Scheme for Station Transformer at 240MW CPP Switchyard.
12 Hindustan Zinc Ltd., Chittorgarh
April 2007		 Condition Monitoring Testing Condition Monitoring Testing of,
1. 77 MW, 11kV BHEL Make TG-2.
2. 100 MVA, 132 / 11 kV BHEL Make Generator Transformer-2.
Testing and Commissioning Protective Relay Testing and Calibration of,
1. 2 x 77MW 11kV STG.
2. 2 x 100MVA, 132/11kV Generator Transformer.
3. 132kV line/station transformer.
4. 6.6kV and 415V PCC.
13 Hindalco Industries Ltd., Taloja
April 2014		 Condition Monitoring Testing Testing of 8.270 MVA Cold Mill-1 Transformer.
January 2014 Condition Monitoring Testing Condition Monitoring Testing of 3.6 MVA, 11/0.815 kV Furnace Transformer.
14 Hindalco Industries Ltd., Dahej, Bharuch
March 2007		 Condition Monitoring Testing Condition Monitoring testing of 60 MW, 11kV Electrosila make STG.
November 2006 Condition Monitoring Testing Condition Monitoring Testing of,
1. 12.5 MW, 6.6 kV Bhel Make Generator.
2. 20 MVA, 11/6.6kV Generator Transformer.
December 2005 to May 2006 Condition Monitoring Testing 1 No. 80 MVA, 11 / 33 kV,
1 No. 15 MVA, 11 / 11.75 kV,
2 Nos. 35 MVA, 11 / 11.75 kV.
Generator Transformers.
May 2006 Condition Monitoring Testing 2.85 MW, 6.6 kV Steam Turbine Generator (STG) # 3.
November 2006 Condition Monitoring Testing 60 MW, 11 kV Steam Turbine Generator (STG) # 6.
April 2006 Condition Monitoring Testing 10.5 MW, 11 kV Steam Turbine Generator (STG) # 2.
December 2005 Condition Monitoring Testing 24.45 MW, 11 kV, Steam Turbine Generator (STG) # 5.
January 2006 Condition Monitoring Testing 24.5 MW, 11 kV, Steam Turbine Generator (STG) # 1.
Design Design, engineering modification in existing engineering drawings, schematic and control diagram for replacement of PPX relay to MICOM relay.
June 2007 Testing and Commissioning Replacement of PPX relay to MICOM relay.
May 2006 Condition Monitoring Testing Condition Monitoring Testing of 2.85 MW STG # 3.
&nbp; Testing and Commissioning Modification of MRS-1 and MRS-2 GIS Scheme and adopting Copper I, II and III electrical system Relay Settings.
April 2006 Condition Monitoring Testing Condition Monitoring Testing of 10.5 MW, 11 kV Generator and 15 MVA, 11.75 / 11 kV Generator Transformer.
May 2005 Condition Monitoring Testing Condition Monitoring Testing of 60 MW, STG # 6 & 80 MVA,
11 / 33 kV Generator Transformer.
January 2006 Testing and Commissioning Modification, testing and re-commissioning of MRS1, (220kV switchyard and 5nos TG set) Grid Islanding and Load shedding scheme.
May 2005 Testing and Commissioning Testing, calibration and commissioning of protective relays and schemes for 60 MW CPP Generator, 220 kV Switchyard and associated distribution system.
December 2003 Testing and Commissioning 220KV Switchyard with 1×40 MVA Transformer.
15 BOC Gases at ISPAT Industries Ltd., Dolvi Condition Monitoring Testing 1.7 MW, 6.6 KV, PE make HT Motors (CP-11 and CP-55).
16 M/s. Birla Copper, A Divn. of Indo Gulf Fertiliser., (Copper Smelter)
1997, 1998, 1999, 2000, 2001,2002, 2003		 EHV/HV Switchyard Testing – Commissioning of 220KV Switchyard with 2×40 MVA Transformer, 2×2.5MW D. G. set and HV / MV / LV distribution system auditing and testing.
Testing and Commissioning Testing & Commissioning of power plant electrical system.
Testing and Commissioning Detail engineering of 15 MW Thermal power plant.
Testing & Commissioning of 24.5 MW power plant electrical system.
Reliability Improvement Exercise 1. Review of power plant electrical system design.
2. Scheme testing of 40 MVA, 132 kV / 11 kV / 11 kV
Transformer.
System Study Design and implementation of grid islanding and load shedding scheme.
System Study Complete Electrical System Study including,
1. Relay setting and relay co-ordination
2. Voltage dip studies
3. Load flow studies
4. Black start of T. G. set
5. Engineering of the scheme for momentary paralleling of 11KV, 3.3KV and 415V incoming breakers.
Relay testing Testing of electrical equipment relays of existing electrical system during annual shutdown.
Testing and Commissioning 1 x 12.5 MW , 1 x 2.85 MW Co-generation Power Plant,
1. Complete Design and Detail Engineering Services.
2. Testing-commissioning of Power Plant and its electrical system equipments.
17 Ispat Industries Limited, Dolvi
2003		 Feasibility Study Feasibility study for paralleling existing 11kV System with tertiary winding of 140 / 155 MVA Transformer.
18 Bharat Aluminium Company Limited, Korba
2003		 Trouble shooting, Scheme Testing and rectification Stability and Sensitivity Checks of Restricted earth Fault Scheme for Station Transformer at CPP Switchyard
19 Steel Authority Of India Limited, Rourkela
2002-2003		 System Study System study of electrical distribution system which includes,
1. 3 Phase and 1 Phase Short Circuit Studies.
2. Review of protection and grounding system.
3. Working out plant Relay Setting & Relay Co-ordination.
4. Unit Protection relay setting
5. Load Flow Studies
6. Transient Stability to find out Critical Clearance Time (CCT)
7. Review Of Mesh Distribution System
8. Voltage Dip Studies
9. Auto Changeover Schemes
10. Review and Design of GIS and LSS
Reliability Improvement Exercise by Trouble shooting and rectification Testing of Busbar Differential Protective Scheme for 33 kV Bus, Generator Protective Relays, 132 kV Transmission Line Protection Relays, CT / PT Testing, Relay Testing Etc.
20 Sterlite Ind. Ltd., Tuticorin
May 2014, Jan 2014, May 2013		 Condition Monitoring Testing Condition Monitoring Testing of,
1. 3 x 31.5 MVA, 220/6.9 kV Power Transformer,
2. 220 kV Switchyard Equipment (Breakers, CT’s and Isolators).
2005, 2006 Power System Study

Power Quality

 Power system study for electrical distribution including :
1. Short Circuit Study.
2. Relay Setting and co-ordination.
3. Unit protections for generators, transformers.

Harmonic Analysis of Electrical Distribution Systems.
April 2008 Testing and commissioning Testing & commissioning of 15/17 MVA generator transformers.
21 Sterlite Industries (I) Limited, Silvassa
2002		 System Study System study of electrical distribution system which includes,
1. 3 Phase and 1 Phase Short Circuit Studies
2. Review of protection system.
3. Working out plant Relay Setting & Relay Co-ordination
4. Unit Protection relay setting
22 Sesa Industries Limited, Goa
1998		 Reliability Improvement Exercise Testing and Calibration of relays at PIG Iron Plant.
23 Madras Aluminium Company Ltd., Mettur
July 2014		 Testing and Commissioning Protection Relay Testing of Unit # 3.
September 2013 Testing and Commissioning Testing and Commissioning of Micom – P127 Relays.
November 2013 Testing and commissioning Protection Relay Setting and Configuration Verification.
October 2013 Testing and Commissioning Hot synchronizing of Breakers. i.e. Online phasing out of Incoming and running bus.
Testing and commissioning Testing and Commissioning of TNEB line feeder-3 with MICOM P543 and MICOM P127 relay.
2009, 2010, 2011, 2012, 2013, 2014 Condition Monitoring Testing Equipment Condition Monitoring Testing Unit # 3.
The Scope of work shall include,
1. Condition Monitoring of Generator :
i. Generator Stator testing including ELCID Test.
ii. Generator Rotor Testing.
iii. RTD element check.
2. Testing of Generator Transformer and UAT :
i. Condition Monitoring Tests.
ii. Routine Tests.
iii. Specialized Test.
iv. Bushing testing (Per Transformer) for Capacitance and Tan Delta Measurement.
3. Testing of 110 kV Current Transformers.
4. Testing of 110 kV Isolator.
5. Testing of 110 kV Breaker.
2001, 2002, 2006, 2009, 2010, 2012, 2013, 2014 Testing and commissioning Testing and commissioning of Unit – 1, 2, 3, 4 :
1. 25 MW Generator and its protection system.
2. 31.5 MVA, Generator Transformer protection system.
3. Carrying out stability and sensitivity checks for generator differential protection.
i. Overall differential protection and
ii. Restricted earth fault protection.
2001, 2002, 2003 Testing and Commissioning Testing of power plant electrical system protective relays.
Testing and commissioning Testing & Commissioning of UAT – 1 at CPP.
Design and implementation of grid islanding and load shedding scheme.
System Study Complete Electrical System Study including,
1. Short Circuit Studies
2. Review of protection system
3. Working out plants relay setting & relay co-ordination
4. Grid Islanding and Under Frequency Load shedding scheme.
Reliability Improvement Exercise Retrofit of existing Electromechanical relays with Numerical Protection relays for 25 MW Generator.
2005 Troubleshooting, Testing and Re – Commissioning and Rectification 1. Design Engineering, Retrofitting, Testing and re-commissioning of new Numerical generator protection relays for 25MW Gen # 1, 2, 3 by replacing the existing relays.
2. Design Engineering Testing and commissioning of new pilot wire protection scheme for 110kV lines no.1 and 2 from TNEB by replacing of the existing scheme.
3. Testing – commissioning of Common Auxiliary systems.
4. Investigation of CPP, Unit 3 Generator Transformer failure.
2006 System Study, Testing Commissioning 1. Synchronizing System Study.
2. Re-engineering of Station Transformer Protection.
3. Testing of relays at AC / DC Complex.
4. Common electrical system relay testing.
5. CPP-Overhauling : Generator and substation equipments testing.
6. Testing of Protective Relays, Transducers, Meters and Modification Jobs.
October 2012 Design Feasibility study for Hookup of new 8.4 MVA Generator on 6.6 kV ST-2 Switchgear.
The scope of work shall include,
1. Preparation of SLD with Control, Protection and metering system to indicate the hookup of new generator.
2. Review of Grounding of new Generator and ST-2 transformer on 6.6 kV side.
3. To check the rating of ST-2 transformer and its Vector group for parallel operation of new generator and ST-2 transformer.
4. Preparation of phasor diagram to verify the vector group for parallel operation.
5. Checking the feasibility of synchronizing new generator and ST-2 transformer at 6.6 kV voltage level.
6. Short Circuit Study,
i. To verify the device capability.
ii. To check the feasibility of paralleling ST-1 and ST-2 transformer.
March 2010 Design Engineering services for,
1. Modification of AC and DC Schematic Diagram to incorporate,
i. MICOM P543 protection Relay.
ii. MICOM P127 Protection Relay.
2. Recommendation for hooking up the required protections available in MICOM P543 and MICOM P127 at both the ends of the line based on the application.
3. Working out protection relay setting and relay configuration for TNEB Line-3 protection for proposed operating condition.
September 2009 Design

Testing and Commissioning

 Carrying out re-engineering of 2 Nos. 110 kV TNEB Line-1 and Line-2 protection relays with Areva make Micom P543 line management relay.

Detail engineering for retrofit of Numerical Protection Relays in place of electromechanical relays for Generator Protection and Generator Transformer Protection. This include the modification of existing protection schemes.
2001, 2002, 2003 Reliability Improvement Exercise Testing of power plant electrical system protective relays.
System Study Testing & Commissioning of UAT – 1 at CPP.
Design and implementation of grid islanding and load shedding scheme.
System Study Complete Electrical System Study including,
1. Short Circuit Studies
2. Review of protection system
3. Working out plants relay setting & relay co-ordination
4. Grid Islanding and Under Frequency Load shedding scheme.
Reliability Improvement Exercise Retrofit of existing Electromechanical relays with Numerical Protection relays for 25 MW Generator.

Testing – Commissioning of 220KV Switchyard with 2 x 40 MVA Transformer, 2×2.5MW D. G. set and HV / MV / LV distribution system auditing and testing.
24 M/s Indian Aluminium Co. Ltd., Taloja, Thane
1984, 1986, 1990, 1993, 2001		 Testing and Commissioning Testing of protective relays.
25 M/s Mukand Iron and Steel Works Ltd., Thane Relay testing Testing of protective relays.
1983, 1985 Power Plant Feasibility studies for installation of Thermal Power Plant for fluctuating furnace loads.
26 M/s Ramkishan Ispat Ltd., Taloja, Thane
1983, 1984		 Relay testing Testing of protective relays