Abstract Preview
This document establishes a classification for fan efficiency. It applies to all electric-motor-driven fan systems that utilize a specific combination of components as defined below:
a) fan airflow performance determined in accordance with an accepted performance standard;
b) polyphase induction motors with nominal motor efficiency specified in this document;
NOTE 1 Other types of motors are explicitly excluded.
c) pulse-width modulated variable frequency drives (VFDs) for use with single motors;
NOTE 2 Single VFDs that service multiple, parallel fan motors are excluded.
d) mechanical power transmissions that utilize V-belts, flat belts, cog belts or couplings.
General information
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Status : PublishedPublication date : 2019-03
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Edition : 1Number of pages : 21
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- ICS :
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Ventilators. Fans. Air-conditioners
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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now
ISO 12759-2:2019
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