66 kV Oil-Immersed Power Transformer

Overview: A 66 kV oil-immersed power transformer is a higher-voltage project concept that calls for a complete technical feasibility review. The headline voltage is not a fixed specification or a claim of available stock.

Where this configuration is considered

A 66 kV connection may be considered for utility or large industrial substations. Site access, shipping dimensions, foundation loads, fire and oil management and protection interfaces should be captured before quotation.

Information to define before quotation

Provide the system study, MVA, voltage ratio, maximum equipment voltage, insulation withstand levels, short-circuit data, taps, cooling and ambient conditions. Ask for drawings, guaranteed losses and a defined type and routine test plan.

International standards to review

Reference standards may include IEC 60076-1:2011, IEC 60076-3:2013 + AMD1:2018. 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

Are transport and site lifting limits already known for the proposed substation?

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