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IEC/TS 60349-3

Electric traction – Rotating electrical machines for rail and road vehicles – Part 3: Determination of the total losses of converter-fed alternating current motors by summation of the component losses

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Organization: IEC
Publication Date: 1 March 2010
Status: active
Page Count: 38
ICS Code (Railway rolling stock): 45.060
scope:

Scope and object

This technical specification applies to machines complying with IEC 60349-2.

The total losses of a converter-fed motor may be determined by summation of the component losses derived from no-load and load tests. The total input power is the sum of the power at the fundamental frequency and at all other frequencies. In all practical cases the latter input includes the losses resulting from the voltage and current harmonics in the converter supply by using suitable instrumentation it can be derived from measurement of the total and fundamental frequency power inputs when the machine is on load.

The losses supplied at the fundamental frequency cannot be measured directly and so are derived from measurement of the fundamental frequency load current and the fundamental frequency no-load power input.

Document History

IEC/TS 60349-3
March 1, 2010
Electric traction – Rotating electrical machines for rail and road vehicles – Part 3: Determination of the total losses of converter-fed alternating current motors by summation of the component losses
Scope and object This technical specification applies to machines complying with IEC 60349-2. The total losses of a converter-fed motor may be determined by summation of the component losses...
August 1, 1995
Electric traction - Rotating electrical machines for rail and road vehicles - Part 3: Determination of the total losses of convertor-fed alternating current motors by summation of the component losses
A description is not available for this item.

References

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