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IEC 61972

Method for determining losses and efficiency of three-phase cage induction motors

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Organization: IEC
Publication Date: 1 November 2002
Status: inactive
Page Count: 48
ICS Code (Rotating machinery in general): 29.160.01
scope:

This International Standard is applicable to three-phase cage induction motors and establishes two methods for determination of efficiency:

• Method 1: for motors tested by using a torque measurement device, with additional load losses derived from measurements;

• Method 2: for motors tested without torque measurement, with assigned additional load losses.

The two methods are different in the procedure to obtain the additional load losses. Unless otherwise specified, method 1 should be used for motors up to 150 kW.

For other methods of efficiency estimation, see IEC 60034-2.

Document History

IEC 61972
November 1, 2002
Method for determining losses and efficiency of three-phase cage induction motors
This International Standard is applicable to three-phase cage induction motors and establishes two methods for determination of efficiency: • Method 1: for motors tested by using a torque measurement...

References

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