35 kV Oil-Immersed Power Transformer

Overview: A 35 kV oil-immersed power transformer is typically specified as part of a substation or larger industrial power system. At this level, the full system study and site arrangement should guide the insulation, cooling, tap-changing and protection choices.

Where this configuration is considered

Potential applications include utility substations, large facilities and renewable energy connections with a 35 kV class interface. The transformer may need to coordinate with switchgear, protection and civil works that are outside the transformer supply scope.

Information to define before quotation

Share the single-line diagram, MVA rating, full voltage ratio, frequency, vector group, impedance limits, tap duty, cooling expectations and fault level. Define transport limits, oil containment, noise, loss guarantees and witness-test requirements.

International standards to review

Reference standards may include IEC 60076-1:2011. The applicable editions, clauses, conformity evidence and test scope must be agreed for the final design and destination market. This page does not claim certification or guaranteed compliance for an unspecified product.

A useful question for the technical brief

Does the project require off-circuit taps or on-load voltage regulation?

Explore the Oil-Immersed Transformers family, compare all transformer products, or send an RFQ with your project drawings and ratings.