20 kV Amorphous Alloy Oil-Immersed Transformer

Overview: A 20 kV amorphous alloy oil-immersed transformer combines a 20 kV class network interface with a core material selected for a potential no-load-loss advantage. This does not determine the final efficiency without a complete electrical design.

Where this configuration is considered

A 20 kV distribution system with extended energized periods can justify comparing core options. Outdoor site conditions, acoustic limits and total losses remain part of that comparison.

Information to define before quotation

Provide the exact HV/LV schedule, kVA, expected yearly load curve, no-load and load loss targets, frequency, impedance and installation location. Request a loss schedule, dimensions and the test basis for each candidate design.

International standards to review

Reference standards may include IEC 60076-1:2011, IEC 60076-11:2018 (for dry-type designs). 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

What loss capitalization or life-cycle evaluation method will the buyer use?

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