GB/T 1094.3-2003
AbolishedPower transformers--Part 3: Insulation levels，dielectric tests and external clearances in air
电力变压器 第3部分: 绝缘水平、绝缘试验和外绝缘空气间隙
Application Summary AI generated
This standard specifies insulation levels, dielectric test procedures, and minimum external clearances in air for power transformers. It is applied in the design, manufacturing, and type testing of power transformers to ensure safe operation under various voltage stresses, including lightning and switching impulses. The standard is primarily used by electrical equipment manufacturers and utilities for medium to high-voltage power transformers.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.