SELVARAJ SRINIVASAN

MEW/MC/4142 -2010/2011) Maintenance of Switchgear & Auxiliaries From ABB Company)

•Testing and calibration, trouble Shooting, protective relays, transformers, Motor Differential protection Relays, Over current and ground fault relays (Directional and Non directional) Under and over voltage relays and other protective relays. Using Omicorn Secondary Injection kit Type: Omicorn CMC - 356-6 and Sverker 650 and 750 Secondary Injection kit.
• Maintenance of Switchgear Accessories rating up to 33 KV Oil circuit breaker color Emag, 6.6 KV Magnetic type circuit breaker, 3.3 KV ABB VD4 Type and 415 Volt Air circuit breaker, molded case circuit breaker, ABB SACE E MAX E6H-6300A and 5000A. ABB SACE E2-1000A, 800A and 600A. ABB SACE E1- 1600A and 800A.
•Programming, Testing and Calibration, Trouble Shooting of motor protection relays such as westing house IQ 1000II, MP-3000, ABB REF 542 Relays, ABB REM 610 Relays ABB UMC 100 FBP Relays.
•Able to carry-out Micro ohm test of circuit breakers. Able to check closing & tripping time of breakers by “Analyzer test kit” and IR values.
•Maintenance and Trouble shooting of 24 volts, 110 Volts and 220 Volts Batteries & Battery chargers.
•Battery Monthly Maintenance, Quarterly Maintenance and Annual Maintenance carried out.
•Maintenance and Trouble shooting of UPS up to 40 KVA.
•Maintenance and Trouble shooting of power Transformers and Distribution Transformers Up to 40 MVA.
•Checking and Upgrading the Single line, Three line schematic and Control drawings.
•Preparation and Updating of Maintenance Schedule for Preventive Maintenance.
•Preparation and Updating of Daily, Weekly, Monthly Reports for Breakdown and Preventive Maintenance.
•Estimation of materials, Assist to planning work schedule, managing and Supervision of all works.
•Preparing the Documents and test reports and Coordination with Clients
•Assist to planning of work schedule, procurement and estimation of material Management and arranging materials for maintenance activities.
•Involved general turn around, Major turn around plant shutdown activities.
•Installation, testing and commissioning ABB 415 Volt MNS Switchgear and 3.3 KV Unigear switchgear.
• Installation, testing and commissioning ABB 1000 kva Transformer.
•Investigate the cause of protection tripping and carryout the troubleshooting under general supervision of fault and prepares fault reports on any of the above

ME/EW/MC/3471 -2006/2007 Maintenance of Switchgear & Auxiliaries From I.S.C.O Company)

•Testing of Over Current relay, Earth Fault relay, Differential relay Under voltage relay, Over voltage relay, Directional ground relay Restricted Earth Fault, Stand-by Earth Fault relays.(Type: Static, Electromagnetic ) using Omicorn Secondary Injection kit Type: CMC - 256 -6 & Type: 1000 ADM SCITS Secondary Injection kit..
•Carrying out MW& MVAR Transducer. Carrying out single phase current transducer & voltage transducer Testing of Simeas transducer Ty; 7KG60008AB/NN.
•Magnetization test of CT’s by secondary injection.
•Trouble shooting in control, trip and signal circuits.
•Maintenance of vacuum circuit breakers (Make Toshiba, Holech, magrneo gailieo and Ansaldo).
•Maintenance of Gas circuit breakers (Make Mitsubishi).
•Maintenance of air circuit breakers (Make Mitsubishi, Merlin gerin and Ansaldo ).
•Maintenance of Oil circui breakers.
•Check the closing and tripping time of the breaker using breaker analyzer test kit.
•Maintenance of 440V motors, Motor control centers Feeders with protection relays.
•Carrying out power and Control wiring as per the Drawing.
•Maintenance of MOV Cubicles and Pump cubicles Function test.
•Initial charging, Equalizing charging & Floating charging Dc 110 v battery cells and 24 v battery cells.
•Capacity testing using with Dc load banks Dc 110v battery cells and 24 volt battery cells.
•Maintenance of Rectifiers & Inverters.
•Testing of over voltage relays & under voltage relays Rectifier and Inverter panels. Calibration of Dc ammeters & voltmeters. Testing of Dc ground relays in Rectifier panels.
•Battery monthly maintenance, quarterly maintenance and Annual maintenance.
•Maintenance and testing of Buchholz relay, Winding temperature relay and Oil temperature relay.
•Maintenance of Mitsubishi transformers 1250 KVA, 1600 KVA, 2500 KVA and 375 MVA.
•Maintenance of ( 50 MVA -OEL), ( 50 MVA- Toshiba), ( 2120 KVA- Tamini)

Under Manpower supply from ISCO Company)

•Testing of Protective relays such as Over Current, Earth Fault, Differential, Restricted Earth Fault, Stand-by Earth Fault etc by Secondary current injection test kit . (Type: Static, Electromagnetic and Numeric) Make: SIEMENS, REYROLLE, ALSTOM, ABB, BBC, TOSIBA ETC.
•Maintenance of 132 KV, 33 KV, 11 KV Circuit breakers and 415 Volts circuit breakers such as SF6, Oil, Vacuum and Air circuit breakers Make: SIEMENS, HITACHI, ABB & BBC Etc
•Trace out and rectify the Fault in control and trip circuit in the 300/132/33/11kV Substations As per drawing..
•Testing of 132kV C.B trip test by inter-trip equipment send and receive. (Make: SIEMENS, BBC & ALSPA).
•Magnetization test of CT’S by secondary injection.
•Carry out Single phase & three Phase metering test.
•Testing AVR of Transformer (Type: Manual & Numerical).
•Maintenance of 1000 KVA, 1250KVA, 2000KVA, 30 MVA & 300 MVA Transformers.
•Handling of BDV test for Transformer oils..
•Maintenance of Gas insulated switchgears compressors..
•Installation and Testing of Electrical accessories.
•High Voltage test of Bus bars.
•Carrying out power and Control wiring as per the Drawing.
•High Voltage test of Bus bars.



•Maintenance of water spray system compressors & pumps.
•Initial charging, Equalizing charging & Floating charging Dc 240 v battery sets and 110 v battery sets.
•Capacity testing using with Dc load banks Dc 220v battery cells.
•Battery monthly maintenance, quarterly maintenance and Annual maintenance.
•Maintenance of Rectifiers & Inverters.
•Maintenance of fire alarm system.
•Maintenance of water spray system.
•Maintenance of Gis system compressors.
•Maintenance of Fire alarm system (Pressage, ginge, Kidde, wormold systems & Jfc systems.
•Maintenance of Halon system & dry powder system in Fire alarm control panel

an ISO 9002 Company by IRQS is a part of 950 millions marshal’s groups.

•Testing of control panels, like MLTP, ATS, EMSB, MSB, FP, MCC, DB, Starter Panel, VFD, AVA & etc.
•Attending emergency complaints.
•Transformer trouble shooting and conducting tests.
•Battery and battery charger maintenance.
•Supervising all safety procedure during the maintenance of the all switchgears and metal glad switchgears.
•Scheduling the maintenance programs and updating the maintenance record.
•Operation and maintenance of industrial drives of various capacities. Maintenance of Automatic star-delta starters, semi automatic star-delta starters & D.O.L starters.
•Maintenance of 350 KVA Supply system with voltage regulator.
•Pulling of HT power cables up to 630sq mm (132kV).
•Laying of LT power, control and instrumentation.
•Running of EMT and GI Conduits up to 6inches.
•Erection of Ladders and cable trays.
•Maintenance of Submersible pumps & Mono block pumps (0.5 HP to 50 HP).




•Construction of transmission tower lines Double circuit towers & Single circuit dowers.
•Maintenance of transmission tower lines (33kv to 220kv ).
•Cable glanding, terminations & panel wiring.

Worked as a Substation site Supervisor & Testing in Oman, Civil Contracting Company LLC

Testing of protective relays like Thermal Overload, Over Current, Earth Fault, Differential & Under Voltage by secondary current injection (Type: Static, Electromagnetic and Numeric) Make: REYROLLE, BBC and TOSHIBA.
•Maintenance of H.T & L.T Switchgears like: ACB, BOCB, VCB rating 440V, 3.3kV, 11kV. Make: GEC, TOSHIBA and MITSUBISHI.
•Maintenance of Transformer (Power & Distribution) up to 12.5MVA, 11/3.3kV
•With Protective relays like Over Current, Earth Fault, Tr.Differential, And Restricted Earth Fault & Buchholz.
•Fault Finding in Motor Operated Valve (MOV). Make: ROTORQ, LIMITORQ & BIFFI.
•Maintenance of Battery Chargers and Inverters.
•Maintenance of U.P.S. and Fire Alarm System.
•Maintenance of Industrial & Domestic Lighting.

•Able to read Electrical Drawings.
•Fault Finding and trouble shooting of Electrical Fault.
•Maintenance of water spray system compressors & pumps.
•Checking the tightness of B/Bars, tightness of LV switchgears with suitable torque as per manual instructions.
•Maintaining the records.
•Preparing & providing a test report of a panel to the Clients

Maintenance of 415 volt MCC and MOV Cubicles,
•Maintenance of 415 volt air circuit breakers,
•Testing all types of 415 volt breakers, Conversant with flammable hazardous area classifications, Zone-0, Zone-1, and Zone-2 levels, standard codes and practices for heavy industries with relevant safety procedures
•Erection of LT motors, Troubleshooting of all Electrical Major overhauling, Breakdown and Preventive maintenance works indoor substations


•Trouble shooting in control, trip and signal circuits,
•Initial charging, Equalizing charging & Floating charging Dc 110 v battery cells and 24 v battery cells.
•Capacity testing using with Dc load banks Dc 110v battery cells and 24 volt battery cells.
•Construction and Maintenance of Fire alarm system Minimax control panel.
•Erecting of 230KV double line circuit transmission overhead line.
•Carrying out power and Control wiring as per the Drawing.
•Able to read Electrical Drawings.
•Installation and Testing of Electrical accessories.
•LVAC scheme operation checks, LVAC functional checks on breaker travel
•Power Frequency Voltage withstand & Insulation Resistance Tests of 11kV and LVAC panels
•Synchronizing Scheme checks,
•Fault Recorder Panel Field Triggering & Secondary Injection Tests
•Maintenance of U.P.S. and Fire Alarm System,
•Battery monthly maintenance, quarterly maintenance and Annual maintenance,
•Maintenance of transformers 1250 KVA, 2000 KVA, and 2500 KVA



( S.SELVARAJ)

Experience in Gul f : 14 Years