ELECTRICAL WORKS

Servicing of Control Pannel of 33 KV VCB Single Unit which shall include complete re-wiring of Control Pannel which got damaged due to short/circuit & Rodent. Copper wire required of specification for fre-wiring shall be supplied by Contractor in Total. The work shall also include servicing of Master Trip Relay. Over current & earth fault (inverse) fault relay 14N Auxiliary Relay of compatible make, NO/NC Ausiliary relay, Repair/Servicing of damaged IDMT Relay and its testing and Commissioning and other parts required for Commissioning & operation Laying of control cable (Control Cable shall be provided by Department), if required.

Complete Overhauling of different make CGL/ABB/Simens/Steelmake, Make VCB installed at different 33/11 KV Sub Stations. The job includes complete dismantling of VCB Pole Unit and Operating Mechanism Gear Assembly (Rachet & Pinion assembly wheel Unit and sachet Charging Motors. Repairing/Replacement of Trip and close coil assembly. NO/NC Contacts, Servicing of Vacuum Interrupter unit. Tie Rod and other moving and stationary parts of VCB outdoor unit. Assembly of all parts, Commissioning and testing on all fault conditions. Checking all electrical connections.