Distribution
Distribution Transformers
Low-loss, BIS-marked distribution transformers for utilities, industry and infrastructure.
25 kVA – 3,150 kVA · up to 33 kV
Data sheet
Technical data
| Rating | 25 kVA – 3,150 kVA |
|---|---|
| Voltage class | up to 33 kV |
| Rating | |
| Capacity | 25 kVA – 3,150 kVA |
| Voltage class | 0.433 / 11 / 22 / 33 kV |
| Construction | |
| Core | CRGO / amorphous as per customer requirement |
| Type | Hermetically sealed (gas cushion / fully filled) or conventional with conservator |
| Protection | |
| CSP | Completely Self-Protected feature up to 400 kVA |
| Regulation | |
| Tap changer | OLTC with RTCC & AVR above 500 kVA, if required |
| Cooling | |
| Cooling | ONAN / ONAF with corrugation or pressed-steel radiators |
| Compliance | |
| BIS | BIS-marked conforming to IS 1180 (Part 1): 2014 |
| Standards | |
| Designed to | IS 1180 (Part 1): 2014, IS 2026, IEC 60076, ANSI, BS |
Final ratings, losses, impedance and dimensions are confirmed in the guaranteed technical particulars (GTP) for each order.
Overview
Three-phase oil-immersed distribution transformers, hermetically sealed or conventional, with CRGO or amorphous cores and optional CSP protection.
Distribution transformers can be free-breathing or hermetically sealed. Conventional units carry a conservator with breather; hermetically sealed units have a bolted cover with a gas cushion or are fully filled. Trafo Power's transformers are BIS-marked conforming to IS 1180 (Part 1): 2014, and designs are generally built to IEC 60076 and IS 2026.
Applications
- Utility distribution networks
- Industrial and commercial supply
- Infrastructure and real estate
- Power supply to facilities outside settlements
Design & engineering features
- CRGO or amorphous core, per requirement
- Hermetically sealed (gas cushion / fully filled) or conventional with conservator
- Completely Self-Protected (CSP) option up to 400 kVA
- OLTC with RTCC & AVR above 500 kVA, if required
- ONAN / ONAF cooling with corrugated fins or pressed-steel radiators
- Indoor or outdoor; colour and safety devices to specification
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