IEC-60034-12 › Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
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IEC 60034-12:2016 specifies the parameters for eight designs of starting performance of single-speed three-phase 50 Hz or 60 Hz cage induction motors in accordance with IEC 60034-1 that:
- have a rated voltage up to 1 000 V;
- are intended for direct-on-line or star-delta starting;
- are rated on the basis of duty type S1;
- are constructed to any degree of protection and explosion protection. The main changes with respect to the previous edition are as follows:
- new design letter E for extended efficiency motors, explanation of all design letters, and description of new designs NE, NEY, HE, and HEY;
- addition of a reference to IEC 60079-7;
- addition of a formula to calculate locked rotor current from apparent power.
To find similar documents by classification:
29.160.01 (Rotating machinery in general)
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Document Number
IEC 60034-12 Ed. 3.0 b:2016
Revision Level
EDITION 3.0
Status
Current
Publication Date
Nov. 1, 2016
Committee Number
2