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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN 61377
Railway applications. Rolling stock -- Combined testing. Chopper-fed direct current traction motors and their control
Applies to the combinations of motor(s), chopper and their control, and its object is to specify a) the performance characteristics of electric drives consisting of a chopper, direct current motors, and the related control system b) methods of verifying these performance characteristics by tests.
In traction drives, a combined system with chopper and direct current motor(s) without any control between the mechanical output and the chopper is not usual. It is not, therefore, considered in this standard.
IEC 60349-1 applies to chopper-fed direct current motors, IEC 61287-1 to power electronic convertors, and IEC 60571 to electronic equipments.
As a consequence, IEC 60349-1 describes the tests to demonstrate the compliance of the motor to its specification, while IEC 61287-1 does the same for the chopper.
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