BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

- Number of circuit :Determined by thecontractor, but 2(two)spare feeders shall beprovided.(b)Kind of UnitDetermined by the Contractor, but 2 (two) spare feeders shall be provided oneach switchgear. The switchgear shall be of 3 phase, 4 wire, neutral solidlygrounded, 415 V power centre type with circuit breakers 40 kA interruptingcapacity. The switchgear shall contain the following kind of circuits as general.Incoming and bus tie circuit2,500 A, 40 kA (rms) ACB- Motor feeder circuit600 A, 40 kA (rms) ACB- Feeder for motor control center600 A, 40 kA (rms) ACB- Voltage transformer unitAll circuit breaker shall be able to draw out horizontally.C. CompartmentGrounded metal plate shall be provided to separate between the units and circuitbreaker section and bus bar section.Conductor shall be insulated.(d) BusBarsBus bars shall be copper bars with insulating cover.(e) Cable ConnectionPower cables and control cables will be led from the terminals through rearbottom of cubicle.(f) Control PowerThe switchgear7.2.2 Motor Control Centrea. Type and Rating- TypeIndoor, steel sheet formed, self standing dual face type motor control centre.- RatingRated voltageRated voltage- Rated normal currentIncomingFeeder circuit: 415 V: 50 Hz: 2,500 A: 450, 200 or 100 A- Rated short circuit current : 40 KA(rms)- Number of circuit : as requiredGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)74