FIELD: electric engineering, possible use in electric train with asynchronous traction motors, powered by contact direct current network, in particular, for railway vehicle.
SUBSTANCE: adjusting device for drive with asynchronous engine a device for limiting setting value of motor EMF is inserted having node for comparison of output signal of current adjuster to given maximal possible value, connected to elements of adjusting device in accordance to formula of invention.
EFFECT: provision of maximal possible power of asynchronous motor during regular alterations of voltage in traction electric network, and also maintenance of given motor current without oscillations.
3 dwg
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