BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

including two(2)spare feeders oneach motor control centre.b. Kind of UnitThe motor control centre shall be of 3 phase, 4 wire, neutral solidly grounded,415 V motor control centre type and shall contain the following circuits asrequired.- Incoming2,500 A, 40 kA (rms), moulded circuit breaker.- Motor feeder circuit400, 200 or 100 A, 40 kA (rms) moulded circuit breaker, contactor, and reserveunits if required.- Non- motor feeder circuit400, 200 or 100 A, 40 kA (rms) moulded circuit breaker.c. CompartmentGrounded metal plate shall be provided to separate between the unit and C B.section and bus bar section conductors shall be insulated.d. Draw-out systemControl centre unit and incoming circuit breaker shall be drawn out horizontally byhand and main circuits shall be disconnected from bus bar.e. Motor Feeder UnitEach unit shall have hinged door on which circuit breaker operating handles,indicating lamps, operating push button and miscellaneous attachment shall bemounted.f. Non-motor Feeder UnitEach unit shall have hinged door on which circuit breaker operating handles andmiscellaneous attachment shall be mounted.g. Cable connectionPower cables and control cables will be led from the terminals through frontbottom of cubicle.h. BusbarsBus bars shall be copper bars with insulating cover.Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)75