SUBSTATION TRANSFORMER
UNITISED SUBSTATION (USS)
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.
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ASSURED FEATURES:
- Completely Factory built
- Superior Aesthetics
- Convenience in portability
- Ready to install & Commission
- Compact in size
- Minimal maintenance
- Suitable for roof top & Basement
TECHNICAL 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 | Up to 20 KA or as per customer requirement |
| Transformer Compartment | |
| Type of cooling | Oil Immersed / Dry Type |
| Rating | 100 to 2000 KVA |
| Voltage | 3.3 to 33/0.433 KV or any specific |
| 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 |
| Voltage | 433 Volts |
| No. of Poles | 3 / 4 |
| Short Circuit Rating | 50KA or as per customer requirement |