Checking servicing TB tightening of various panels at control room UPS Room calibration of switches and replacement of faulty actuator bearings and rewinding of Actuators Motors

Amount

PART-I Cleaning, Servicing & Overhauling Work In Control Panels & Control Desk Of Turbine, Common Auxiliaries, CWP House, Debris Filters, Condenser Tube Cleaning System and Servicing/Overhauling of compact cooling fans etc, During O/H Of Unit No. 4 of 2 X 500 MW, BTPS,

Cleaning of panels (Inside / Out Side) to remove dust, cleaning of microprocessor based electronics control modules / PCB / power supplies by isopropyl alcohol, checking / setting / calibration of control modules / power supplies, cleaning of electrical connections by CRC, tightening of electrical connections, cleaning / servicing /calibration of indicator / recorders etc. installed in control panels. These work are to be carried out in controls panels of different Turbine side C&I System of each unit such as TSQ, PEC, TRP, T-BFP, BFMC, T-INTERLOCK, and Common Auxiliaries i.e. compressor, CWP, Debris Filter, Sump Pump (oil & water) Condenser Tube Cleaning System, unit control desk etc

Servicing / Overhauling of compact cooling fans in various control penal of Turbine side C&I System

PART-II Overhauling, Servicing & Rewinding of motors with insulation class F copper wire, Replacement of defective bearings, varnishing and reassembling are to be carried out of deferent type of actuator motor & Solenoids of Turbine side Control system, CWP House of unit no. 4 of 2X500 MW, BTPS

O/H of motor Below 1 KW

O/H of motor Below 1 KW to below 2 KW

O/H of motor Below 2 KW to below 5 KW

O/H of motor Below 5 KW to below 10 KW

O/H of motor Below 10 KW to below 30 KW

Rewinding of motors Below 1 KW

Rewinding of motors 1 KW to below 3 KW

Rewinding of motors 3 KW to below 5 KW

Rewinding of motors 5 KW to below 10 KW

Rewinding & repairing of solenoids T -BFP Turning Gear Solenoids

Rewinding & repairing of solenoids M -BFP Cooling Water Shutoff Valve Solenoids

PART-III Cleaning, Overhauling, testing, Calibration & Preventive maintenance of UPS system( unit 4), Digital clock, Annunciation system (unit 4), C&I and Electronics laboratory, Megawatt frequency display System of 2x500MW, BTPS

Cleaning & Connections tightening of all the Inverters, Transfer switches & Stabilizers panels of Boiler, Turbine & DAS UPS System of unit 5

Cleaning & Overhauling of all the panel cooling fans of Boiler, Turbine & DAS UPS System of unit 5

Checking, Replacement & Connections tightening of Electrolytic Capacitors of Boiler, Turbine & DAS UPS System of unit 5

Checking, Replacement & Connections tightening of Inductors / Transformers of Boiler, Turbine & DAS UPS System of unit 5

Checking, Testing, Adjusting of Voltage levels & Replacement of Power Supply cards of Boiler, Turbine & DAS UPS System of unit 5

Checking, Testing, Calibration & Replacement of Under / Over Voltage & Current sensor relays and transducers of Boiler, Turbine & DAS UPS System of unit 5

Cleaning & Connections tightening of all the Alarm & Annunciation panels of Boiler, Turbine & Generator System of unit 5

Checking & Replacement of KFA Relay card Supply (48 Volts DC) and alarm/ annunciation checking by stimulation of inputs of Boiler, Turbine & Generator System of unit 5

Checking & Replacement of lamps of Annunciation Windows of Boiler, Turbine & Generator System of unit 5

Cleaning & Connections tightening of Digital Clock Control Panels.

Cleaning & Connections tightening of all the Digital Clock display panels ( Single & Double sided)

Testing & Calibration of all the Signal Isolators & MW- Frequency Display Boards

Housekeeping of C&I and Electronics laboratory equipments.

M/S Electrotec Controls

M/S SANJAY ELECTRONICS