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ISO 12759-2:2019

Current Revision

Fans - Efficiency classification for fans - Part 2: Standard losses for drive components

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 12759
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 117
Publish Date Document Id Type View
Not Available ISO 12759-2:2019 Revision