NEK IEC 60034-12:2016

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Norwegian title: Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
English title: Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
Item type: Standard
Language: en/fr
Edition: 3.0 (2016-11-23)
Number of pages: 40
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NOK 934,00 (excl. VAT)
NOK 1 167,50 (with VAT)

Scope: <!-- NEW -->IEC 60034-12:2016 is now available as <a href="https://webstore.iec.ch/publication/59475">IEC 60034-12:2016 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /> <br /> 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:<br /> - have a rated voltage up to 1 000 V;<br /> - are intended for direct-on-line or star-delta starting;<br /> - are rated on the basis of duty type S1;<br /> - are constructed to any degree of protection and explosion protection. The main changes with respect to the previous edition are as follows:<br /> - new design letter E for extended efficiency motors, explanation of all design letters, and description of new designs NE, NEY, HE, and HEY;<br /> - addition of a reference to IEC 60079-7;<br /> - addition of a formula to calculate locked rotor current from apparent power.
Adopted: 2016-11-23
ICS: 29.160.01 - Roterende maskiner generelt