Kerala State Electricity Board Tender

Design, Engineering, Manufacturing, Factory testing , Supply, Transportation and Supervision of Installation and Commissioning of 36 kV, 630 A, 25 kA/3 sec., 4 way, Extensible Outdoor type SF6 gas insulated Ring Main Unit (RMU) with Two (2) Motor operated Vacuum Circuit Breakers as Transformer feeder (Primary side) and Two (2) Motor operated Load Break Switch (LBS) for 33 kV feeders with Metering Unit, with Numerical Protective Relays/BCPU, Tri-vector energy meter, Cable end termination etc., as per specification. (Configuration: Metering + LBS-VCB-VCB-LBS +, where LBS is Load Break Switch with Earth switch and VCB is Vacuum Circuit Breaker with isolation with earthing facility) Internal Arc Flash classification: IAC AFLR 25kA/1 sec. (Tank & cable chamber)

Design, Engineering, Manufacturing, Factory testing, Supply and Supervision of Installation and Commissioning of 12 kV, 630 A, 20 kA/3 sec., 8 way, Extensible Outdoor type SF6 gas insulated Ring Main Unit (RMU) with Two (2) Motor operated Vacuum Circuit Breakers as Transformer feeder (Secondary side), Five (5) Motor operated Vacuum Circuit Breakers for 11 kV feeders and One (1) Motor operated Vacuum Circuit Breaker as Bus Sectionaliser with Metering Unit, with Numerical Protection Relays/BCPU, Tri-vector energy meter, Cable termination kits for RMU etc., as per specification. (Configuration: Metering + VVVV + Bus Sect. Br + VVV + Metering, where V is Vacuum Circuit Breaker with isolation and earthing facility and Bus Sec. Br. is Bus sectionalizer Vaccum Circuit Breaker) Internal Arc Flash classification: IAC AFLR 20kA/1 sec. (Tank & cable chamber)

Design, Manufacture, Transportation, Installation, Testing and Commissioning of Remote Terminal Unit (RTU) at 33 kV RMU/11 kV RMU (to control 33 kV and 11 kV switch gears) and is to be controlled from HMI located at 110 kV feeding substations as per the general specifications including necessary items for Analog inputs, Status input, outputs from IEDs (61850 protocol), Control output, Accumulator input, GPS and any other external alarm and/or event inputs, network switches, control, PC, HMI and FO cable for interconnection. The optical fiber communication channel from 33 kV substation to the 110 kV feeding station will be provided by KSEBL. The necessary ethernet to FO convertor (single mode suitable for the distance) shall be provided by the bidder. The RTU offered shall have sufficient capacity, in all means, to provide SCADA for both 11 kV and 33 kV RMUs offered.