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.
PROJECT
IEC 60034-26 ED2
60.00
Standard under publication
Dec 16, 2025
Rotating electrical machines - Part 26: Effects of unbalanced voltages on the performance of three-phase cage induction motors
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