IEC 60076-4 Ed. 2.0 b:2026

Current Revision
Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors

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IEC 60076-4 Ed. 2.0 b:2026

Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors

PUBLISH DATE 2026
IEC 60076-4 Ed. 2.0 b:2026

IEC 60076-4:2026 applies to lightning and switching impulse tests on power transformers and reactors.

Information is given on waveforms, test circuits including test connections, earthing practices, failure detection methods, test procedures, measuring techniques, and interpretation of results.

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