IEC 60076-4 ED2

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

General information

Current stage: 60.00 Effective date: Mar 27, 2026

Next stage: PPUB Next stage date: May 8, 2026

Originator: IEC

Owner: TC 14

Type: International Standard

ICS: 29.180

Scope

This part of IEC 60076 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.

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60076-4:2002 ED1

WITHDRAWN
IEC 60076-4:1976 ED1

NOW

IN_DEVELOPMENT
IEC 60076-4 ED2
60.00 Standard under publication
Mar 27, 2026