Name of Work:- Tender for Testing of Protection Panels, Relays, CT, PTs of Ganvi Power House Stage 2.
Sl. No.
Item Description
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Supply Part
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1. Testing of 66kV CT Qty 24 Nos including CT polarity testing, Accuracy check, CT ratio verification, Checking continuity of CT secondary circuits, Verification of single point earthing of CT secondary, Checking and tightening of CT terminal connections.2. Testing of Numerical Protection Relays (MI-COM Make) - 6 Nos. including Testing of Over Current (O/C) protection relay through secondary injection, Testing of Earth Fault (E/F) protection relay, Testing of Under Voltage and Over Voltage protection relays, Testing of distance protection relay, Verification of pickup values and operating time of relays, Trip contact and protection logic verification3. Testing of 66kV SF6 breaker 6 Qty and 22kV VCB 2 Qty including Breaker control circuit testing, Checking of trip circuit supervision and trip coil continuity, Functional testing of breaker tripping through protection relay, Local closing and tripping operation testing of circuit breaker, Remote closing and tripping operation testing, Mechanical and electrical interlock checking4. Testing of DC Supply including Checking healthiness of DC supply system, Checking battery bank voltage and DC supply availability5. Testing of Switch yard components including Tightening of all jumpers in line bay equipment, Checking and tightening of structure connections, Inspection of isolator contacts and alignment, Replacement of damaged isolator male/female contacts if required, Checking of lightning arrester connections, Verification of proper earthing of switchyard equipment, Replacement of nuts and bolts wherever required6. Testing of Generator and Transformer Panels of both units including Testing of generator protection panel relays, Testing of transformer protection panel relays Please Enable Macros to View BoQ information
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