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Oil-Immersed Isolation Transformers Series Three Phase Transformers
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Oil-Immersed Isolation Transformers — Three Phase Rectifier Duty
Oil-immersed three-phase isolation and rectifier transformers provide galvanic isolation between the supply and load with oil-immersed cooling for higher ratings and outdoor duty. Rated 10–2500 kVA, 6/10/35 kV primary, for rectifier, isolation and power-conversion applications requiring robust oil-immersed construction.
Key Features
- Galvanic isolation between primary and secondary
- Oil-immersed ONAN cooling for higher ratings
- 10–2500 kVA, 6/10/35 kV primary
- Suitable for outdoor and rectifier duty
- Sealed tank with conservator or sealed design
- Custom impedance and vector groups
Applications
- Rectifier and power-conversion systems
- Industrial isolation and grounding
- Outdoor distribution isolation
- Renewable plant auxiliary supplies
Selection Guide
Cooling
Confirm ONAN oil-immersed cooling for the rating and environment.
Isolation
Specify the required isolation level and vector group.
- Frequently Asked Questions
Why choose oil-immersed isolation?
Oil-immersed construction supports higher ratings and outdoor installation, with the transformer providing galvanic isolation to decouple the load from supply-side faults and noise.
What ratings are available?
10–2500 kVA at 6/10/35 kV, sized to the isolation or rectifier duty.
Instant Selection & Quote Calculator
Select your specifications to get an estimated price instantly.
| Base price (interpolation) | $18 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Aluminum winding — no copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
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