Tower Substations
Tower Substations
Tower Subatations are designed for use in distribution application as well as for dedicated loads.Tower substation's are easy to install and are of low cost. These are basic & simplest configutation required for distribution substation. Tower Substation are designed in accordance with IS 14786 / IEC61330 standards with degree of protection for IP 54 with ONAN transformer & with Dry / Cast resin transformer only transformer enclosure with IP23 or per customer requirement.
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BASIC COMPONENTS
- MS / CRC Sheet fabricated Enclosure as per IS 14786
- Load Balancing Lifting Hooks
- Collapsible hinge mounted doors
- MV / LV switchgear enclosure with IP54
- Corrugated tank for ONAN Transformer with IP54
- Dry & Cast resin transformer enclosure with IP 23
- Safety door switches
- Inter connecting MV & LV cables/Bus bars
- Powder coated paint, shade- RAL / IS-5 or as per customer requirement
OPTIONAL FEATURES
- M.V. Drawout type breaker
- M.V. Earth Fault (E/F), Over Current (O/C) relay
- Aluminum or copper winding
- Stainless Steel Tank
- DGPT Relay
- Pressure Release Valves
- M.V. / L.V. orientation, made to suit
- L.T. Micro-processor based Trip unit
- L.T. MFM / Load manger
- L.T. Earth Fault (E/F), Over Current (O/C) relay
- HT metering / Load manager
- SCADA or PLC compatible
- Feeder pillar (HRC fuse / MCCB based)
- Dry type / Cast resin transformer
- For ONAN transformer, PRV, MOG, WTI / OTI & Bucholz relay
- For Dry / CRT transformer, space heaters, surge arresters, Temp. Scanner
TECHNICAL SPECIFICATIONS
| Medium Voltage Compartment | |
| MV Switchgear | Upto 22KV |
| Type of Switchgear | LBS / SFU / Circuit Breaker / RMU / VCB/td> |
| Insulation Medium | SF6 Gas or Vacuum |
| Tripping | Fuse / Relay |
| Short Circuit Rating | Upto 20 KA or as per customer requirement |
| Transformer Compartment | |
| Installation | Outdoor / Indoor Ground Mounted |
| Type of cooling | Oil Immersed / Dry Type |
| Rating | 63 to 1000 KVA |
| Voltage | 3.3 to 22/0.433 KV or any specific |
| Phase / Frequency | 3 Phase / 50 or 60 Hz |
| Vector Group | Dyn1 or Dyn5 or Dyn11 or any specific |
| Low Voltage Compartment | |
| LV Switchgear | ACB's, MCCB's or HRC Fuse |
| Current Rating | Upto 2000 Amps |
| Voltage | 433 Volts |
| No. of poles | 3 / 4 |
| Short Circuit Rating | Upto 50 KA or as per customer requirement |