Technical data
CHAP-04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION ELECTRICAL
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as required for completion and successful operation of the power
distribution network, in an integrated manner.
3. Vacuum circuit breaker (VCB) without protections in the transformer
room if transformer is fed from remote HT switchboard for tripping of
upstream breakers
- Push Button stations with trip PBs (press to lock and turn to release)
in the transformer room if transformer is fed from HT switchboard
located in the same building for tripping of upstream breakers.
4. Power and control cables, Cable termination kits, laying and termination
(at both ends) of all associated power and control cables from the
EMPLOYER’s 11/6.6 kV switchboard. Only 11kV (UE) grade cable will
be used for 6.6kV (UE) applications.
5. AC distribution boards (PDB) - Single front, non draw-out type, sheet
steel enclosed, modular construction with IP54 enclosure, having two
incomer with a bus coupler will be provided for auxiliary equipment of
LTSS.
6. Contractor to provide 2 feeders of 400A each in the CSP LTSS for
EMPLOYER’s use.
Construction Power Supply:
The facilities for distribution of construction power supply will be in the
scope of the Contractor.
For construction power supply, one no. outgoing feeder of 415V AC,
3ph, 50 Hz will be made available at the nearest construction power sub-
station by the EMPLOYER for each Coal Handling Plant, Coke Sorting
Plant and additional Flux & Fuel crushing & Fines handling system
respectively.
.
Supply, erection, testing and termination at both ends of incoming power
cable to Contractor’s construction power distribution board, further
distribution and regular maintenance of the construction power supply
network will be under the scope of Contractor
II) DRIVES, CONTROLS AND ILLUMINATION SYSTEM
1. All HT and LT AC/DC motors, actuators, brakes etc. as per technological
and process requirement.
HT motor winding and bearings, temperature sensors, vibration
sensors will be hooked up with PLC for monitoring.
For HT motor, surge suppressor to be installed near the motor.