IEC 60034-26 ED2

Rotating electrical machines - Part 26: Effects of unbalanced voltages on the performance of three-phase cage induction motors

General information

Current stage: 60.00 Effective date: Dec 16, 2025

Next stage: PPUB Next stage date: Jan 27, 2026

Originator: IEC

Owner: TC 2

Type: International Standard

ICS: 29.160.01

Scope

IEC 60034-26: 2026 describes the effects of unbalanced voltages on the performance of three-phase cage induction motors. This second edition cancels and replaces the first edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) clarification that voltages are line-to-line voltages in Clause 4, Annex A and Annex B;
b) addition of design NE according to IEC 60034-12 in Clause 4.

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60034-26:2006 ED1

PUBLISHED
IEC 60034-26:2006/COR1:2014 ED1

NOW

IN_DEVELOPMENT
IEC 60034-26 ED2
60.00 Standard under publication
Dec 16, 2025