UNITISED SUBSTATION (USS)


Description

Unitised substation are designed for locations where space and safety is a concern, population density is high, such as urban centre. Unitised substation is divided in three section or compartment Medium Voltage, Transformer and Low Voltage Switchboard. Unitised substations are designed in accordance with IS 14786 / IEC 61330 standards with degree of protection for IP23 for Transformer and IP 54 for MV & LV compartments or as per customer requirement.

Key Features:

Completely Factory built
Superior Aesthetics
Convenience in portability
Ready to install & Commission
Compact in size
Minimal maintenance
Suitable for roof top & Basement

Specifications

MV Compartment ......
MV Switchgear 3.3 to 33 KV
Type of Switchgear LBS / SFU / Breaker / RMU / VCB
Insulation Medium SF6 Gas or Vacuum
Tripping Fuse / Relay
Short Circuit Rating 50KA or as per customer requirement
Transformer Compartment .....
Type of cooling Oil Immersed / Dry Type
Rating 100 to 2000 KVA
Voltage 433 Volts
Phase / Frequency 3 Phase / 50 or 60 Hz.
Vector Group Dyn1 or Dyn5 or Dyn11 or any specific.
LV Compartment .....
LV Switchgear ACB's, MCCB's ,MCB’s , HRC Fuse.
Current Rating Up to 4000 Amps
No. of Poles 3 / 4