Power system protection device

The invention discloses an electric power system protection device which comprises an electric power equipment body, a protection device body, an electric power monitoring terminal, an equipment alarm terminal, an open circuit protection terminal, a strategy processing terminal, a remote control terminal, a remote mobile terminal and an instruction receiving and transmitting terminal. The strategy processing terminal and the remote control terminal form a control operation center of the system; the remote mobile terminal shares field information with the strategy processing terminal, the remote control terminal and the power monitoring terminal; and the power monitoring terminal carries out visual monitoring on the power equipment body in the protection device body in real time through the video monitoring terminal. According to the power system protection device, the power equipment body is protected through the protection device body, the safety of the power equipment body during operation is improved throu