INTEGRATED PUMP CONTROLLER FOR CSCR MOTORS

The motor system includes a motor， a quick disconnect (QD) relay， and a main relay. The motor includes a stator having a first stator winding. The motor system estimates power supplied to the motor based on a plurality of samples of the voltage and a plurality of samples of the current. The motor system compares a voltage across the first stator winding with a first voltage threshold. The QD relay is switched off if the voltage is higher than the first voltage threshold to disconnect a start capacitor of the motor system from the first stator winding. The main relay is switched off to turn off the motor if either the power is lesser than a first power threshold or the power is higher than a second power threshold.