DEVICE FOR CONTROLLING A DOUBLE-WAY FEED MOTOR Russian patent published in 2008 - IPC H02P21/13 H02P27/05 

FIELD: electric engineering, possible use in electric motors, where deep speed management, high overload capacity, ensured hard launch from stop mode are required.

SUBSTANCE: control device contains asynchronous motor with phased rotor, stator and rotor frequency transformers, indicators of phased currents of stator, tracker of resulting magnetic flow, trigonometric analyzer, direct and reverse transformers of stator current coordinates, transformer of number of phases of stator, block for setting constant frequency of rotor currents, sine-cosine transformer, transformer of rotor current coordinates, set-point generator of magnetic flow amplitude, regulator of resulting magnetic flow, block for compensating EMF of rotor, block for setting rotor voltage amplitude, set-point generator of angular speed of rotor, regulator of angular speed of rotor, block for computing angular speed of rotor, stator currents frequency indicator, indicators of phase voltages of stator. Control device also contains momentum regulator, momentum computing device, stator EMF compensation regulator, regulators of stator current components, block for setting stator voltage amplitude, integrator, adder, multiplier. Connection of aforementioned elements and the block is realized in accordance to materials of the claim.

EFFECT: creation of electric motor based on serial asynchronous motor with phase rotor, coupled in double-feed circuit, ensuring the capacity for hard repeated launches, having rigid mechanical characteristics, high energy characteristics, deep and smooth rotor rotation speed management by means of changing stator voltage analogically to electric drive with constant current motor.

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