Perdorime hekurudhore -Vagoni -Pjesa 2 : Testimi I kombinuar -Motorat terheqes me rryme te vazhduar qe ushqehen me nderprerje dhe kontrolli I tyre

Railway applications - Rolling stock - Combined testing - Part 2: Chopper-fed direct current traction motors and their control

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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. EN 60349-1 applies to chopper-fed direct current motors, EN 61287-1 to power electronic convertors, and EN 60571 to electronic equipments. As a consequence, EN 60349-1 describes the tests to demonstrate the compliance of the motor to its specification, while EN 61287-1 does the same for the chopper.