Control circuit diagram of demagnetization switch using CD2-G type

Today’s article introduces a demagnetization switch control circuit using the CD2-G type. As shown in the figure below, KMi is the closing contactor; YA is the closing coil; YRi and YRz are the trip coils; SQi~SQs are the terminal switches; SA, KT, Hi, Hz are the same as before. The automatic demagnetizing contactor KMz is used to connect the demagnetizing resistor in the exciter rotor circuit during demagnetization.