Ecomen Laboratories Pvt. Ltd. - Meghalaya State Pollution Control ...

CHAPTER-2
EIA/EMP OF Shree Shakambari Ferro Alloys Pvt. Ltd.
shall be interconnected, as per IEEE:80 recommendations & IS:3043. Non-current
carrying parts of all electrical equipments viz., motors, MCCs, PCCs, distribution
boards, control panels, HT switchgears, generators and all lightning fittings shall
also be earthed rigidity to ensure safety.
Cables:
All cables shall be selected to carry the load current under site conditions, with
permissible voltage drop. In addition, high voltage cables shall be sized to
withstand the short circuit current. The following types of cables shall be used.
Power cables for 11 Kv system will be with three core aluminium conductor,
XLPE insulated, screened, armoured and overall PVC sheathed confirming to
IS:7098/IEC:502
The power cables of 1.1 Kv grade will be PVC insulated, aluminum conductor,
inner sheath PVC taped strip/wire armoured with outer sheath of PVC
compound conforming.
The control cables for control/protection/indication circuit of the various
equipment will be of 1.1 Kv grade, PVC insulated annealed high conductivity
stranded copper conductor, inner sheath PVC taped, flat/ round wire armoured
with outer sheathe of PVC compound conforming to latest.
AC Auxiliary Supply:
AC supplies of single and three phase, needed for internal use for several
functions such as Illumination, Battery charging, UPS, Transformers tapchanger
drives, Excitation supply, Power supplies for communication equipment,
Breakers/Disconnect switch motors, space heaters in cubicles, generators and
marshaling kiosis shall be arranged from minimum two supply sources.
ECOMEN LABORATORIES PVT.LTD., LUCKNOW