HEAVY DUTY OIL IMMERSED
Optimal Cooling & High Overload Endurance
Oil Cooled Transformers manufactured by Mehir Transformer feature high-grade CRGO (Cold Rolled Grain Oriented) silicon steel cores and electrolytic copper windings immersed in refined mineral insulating oil.
Designed for outdoor continuous duty with pressed-steel radiator panels or corrugated tanks for effective heat dissipation. Equipped with OFF-Circuit Tap Changer (OCTC) or On-Load Tap Changer (OLTC) with AVR for seamless line voltage regulation.
Technical Specifications
| Capacity Range | 63 kVA up to 10 MVA |
|---|---|
| Voltage Rating | 11 kV / 22 kV / 33 kV Class |
| Cooling Type | ONAN (Oil Natural Air Natural) / ONAF |
| Energy Losses | BEE Star Rated / IS 1180 Level 3 Compliant |
| Tapping Range | +5% to -10% in steps of 2.5% (OCTC/OLTC) |
| Protection Fittings | Buchholz Relay, OTI, WTI, PRV, Magnetic Oil Gauge |