Technical data

CHAP-04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION ELECTRICAL
Page 10 of 50
be provided in underground floor of technological building/ Junction
houses, Tunnels, cellar etc.
415V, 100A Sockets will also be provided near sumps.
30. Completes electrics including motors, control panel, LCS, level
sensors, cables etc. for all pump houses, fire fighting system etc.
31. Complete electrics for Bin vibrators with rectifier panels and Air Blaster
with solenoids, control panels, cables etc. for Bunkers as required.
32. Complete electrics for sampling systems covering motors, control
panels, cables LCS etc.
33. Complete electrics for all Crushers including the followings :
 Motors for main and auxiliary drives with necessary accessories
and brakes as required.
 Rotor contactor panels, Resistance boxes for Slip ring motors /
VFD or DOL or Soft starter for Squirrel Cage motors as required.
 Control Panel, Local control stations, field devices, safety
devices, Limit switches, speed relays, solenoids, Power & Control
Junction Boxes etc. as required.
 Power and control panel for roll grinding attachment including
drive motors for roll crusher.
 Control panel for hydraulic and lubrication system including drive
motors as required.
 All power, control and special / instrument cables etc.
 Earthing.
 Hammer crusher will have local control station in which necessary
Push buttons, Ammeter, Temperature Monitoring facility,
indication lamp, hooter etc. will be provided to operate locally as
well as from control desk.
 Hammer crusher will be operated from Local Control Post. Apart
from LCS, Local Control Post will be provided which will be kept
in same crusher building. AC for Local Control Post will be
provided. Extensive monitoring of HT drive will be done from
Local Control Post and the information will be sent to Dispatcher
for monitoring.
34. All LCS for outdoor application will be made of SS sheet. All control
Push Button will be covered with Silicon Rubber Boot to prevent dust
ingress.
35. Scope of work and Battery limit for Electrics and Automation for up
gradation, modification, integration of existing drives / mechanism is
defined in the Clause No. 04.10.11.
36. Automation system:
a) PLC based Automation system of proposed Coal Handling Plant