How is electrical energy generated in Dynamic Braking when using AC induction motors?
Nov 23, 2007 by locomotive2506 | Posted in Engineering
Locomotives that use Dynamic Braking with DC traction motors excite the field coils of the motors and turn them into energy producing generators. AC induction motors don't have that option since there are no windings on the rotating armature and there
Induction motors that are controlled using variable frequency drives VFDs), become generators and produce braking torque when the applied frequency is reduced. The VFD continues to provide magnetizing current, but the phase relationship between the current
NotOz | Nov 23, 2007
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