Containerised Solar Substation
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Containerized solar substations are designed for clustered solar parks where space and safety are a concern and are of capacity 500KW to 10MW projects. A containerized substation is divided into three sections or compartments— MV Breaker, Transformer, and Inverters with DCDB. Containerized substations are designed in accordance with IS 14786 / IEC 61330 standards with a degree of protection upto IP 43 for Transformer and Inverters compartments & upto IP 54 for MV breaker compartment. Following are the dimensional and weight details for a typical11kV, Containerized substation with an off-circuit type Dry / Oil oil-cooled transformer.
STANDARD FITTINGS: M.S./ CRC Sheet fabricated Enclosure as per IS 14786 Load Balancing Lifting Hooks Collapsible hinge-mounted doors Rainwater protection IP 54 for Breaker compartment IP 43 for Transformer / Invertors compartments For safety doors with alarm & tripping circuit Interconnecting MV & LV cables or bus bars from Invertors to Transformer, Transformer to MV Breaker Powder-coated paint, for HV & LV equipment Epoxy / PU paint, Shade – RAL 9003 or as per customer request Illuminating lamps with MCB
TECHNICAL SPECIFICATIONS
| Medium Voltage Compartment | |
| MV Switchgear | 11 to 33 kV |
| Type of Switchgear | SFU / Circuit Breaker / RMU SF6 |
| Insulation Medium | Gas or Vacuum |
| Tripping | Fuse / Relay |
| Short Circuit Rating | 21 kA or as per customer requirement |
| Transformer Compartment | |
| Type of cooling | Dry Type VPI / Cast Resin |
| Rating | Up to 2500 kVA |
| Voltage | 11 or 33/0.350-0.350 kV or any specific |
| Phase / Frequency | 3 Phase / 50 or 60 Hz. |
| Vector Group | YNd11d11 or Dy11y11 or any specific. |
| Low Voltage Compartment | |
| LV Switchgear | ACB’s, MCCB’s with DCDB |
| Current Rating | 200A & above in multiple range |
| Voltage | 300 to 440 Volts in multiple Inputs to Transformer. |
| No. of Poles | Single to Multiple. Robust & Compact Design |
| Short Circuit Rating | ABB or SMA or Bonfiglioli or any as per customer requirement |
SPECIAL FEATURES
- Completely Factory built
- Superior Aesthetics
- Convenience in portability
- Ready to install & Commission
- Compact in size
- Minimal maintenance
- Ideally Suitable for on Grid Solar Projects
- Tamper proof
- Numerical Reverse Power Protection Relay
- Numerical 3 pole Differential Relay