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IEC 60034-2-3 Ed.1.0 Edition 03/2020
Rotating electrical machines - Part 2-3: Specific test methods for determining losses and efficiency of converter-fed AC motors
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Abstract

IEC 60034-2-3:2020 specifies test methods and an interpolation procedure for determining losses and efficiencies of converter-fed motors within the scope of IEC 60034-1:2017. The motor is then part of a variable frequency power drive system (PDS) as defined in IEC 61800‑9‑2:2017.
Applying the approach of the comparable converter, the motor efficiency determined by use of this document is applicable for comparison of different motor designs only.
The document also specifies procedures to determine motor losses at any load point (torque, speed) within the base speed range (constant torque range, constant flux range) based on determination of losses at seven standardized load points. This procedure is applicable to any variable speed AC motor (induction and synchronous) rated according to IEC 60034-1:2017 for operation on a variable frequency and variable voltage power supply.

Status

Standard - Active

Origin

Technical Committee :
2 : Rotating machinery

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV
IEC 60034-2-3 Ed.2.0

Relations to older standards
IEC/TS 60034-2-3 Ed. 1.0
IEC/TS 60034-2-3 Ed. 1.0

International Classification for Standards (ICS codes) :

29.160.01 : Rotating machinery in general

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