130kW induction motor synchronization control circuit operation

Posted on Mar 28, 2007

Circuit is shown. Motor using series resistance in the rotor winding start. Drawing, electrical velocity off the relay KIi ~ KI3 for motor short circuit protection; overcurrent

130kW induction motor synchronization control circuit operation
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relay 1KI, 2KI electrically motive overload protection; voltage relay 1KA ~ 3KA and DC relay KAi ensure synchronous operation must have normal excitation voltage; loss step relay KA2 ensure that the motor in case of losing step into synchronous operation.

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