DLDJ-EDM13 Three Phases Asynchronous Motor Fault Simulator I. Main training experiment U1 ground-fault simulation V1 ground-fault simulation W1 ground-fault simulation W1 winding breaker failure V1 winding breakers fault simulation U1 winding breakers fault simulation W1 winding fault simulation V1 winding fault simulation U1 winding fault simulation U2, W1 winding fault simulation V1 and V2 winding fault simulation W2 V1, short-circuit fault winding Relay action fault simulation