High-voltage safety interlocking control system of motor train unit and motor train unit

The invention provides a motor train unit high-voltage safety interlocking control system and a motor train unit, and the motor train unit high-voltage safety interlocking control system comprises a maintenance switch, a locking device, a main circuit breaker grounding switch module and an equipment cabinet door switch. And by utilizing an interlocking mechanism among the maintenance switch, the locking device and the main circuit breaker grounding switch, a pantograph lifting circuit of the pantograph is in a disconnected state, and the high-voltage system main circuit breaker is in a grounding state. 本申请提供了一种动车组高压安全联锁控制系统和动车组，动车组高压安全联锁控制系统包括的维护开关，锁闭装置、主断路器接地开关模块和设备柜门开关，在所述动车组处于所述维护状态下，利用所述维护开关、所述锁闭装置和所述主断路器接地开关之间的联锁机制，使受电弓的升弓电路处于断开状态，并使所述高压系统主断路器处于接地状态。