Equipment power supply control system

The utility model discloses an equipment power supply control system, which comprises a control module, a Modbus-RTU communication module, a relay module, an intermediate relay module, a current acquisition module, a power supply module and a power utilization module, the Modbus-RTU communication module is respectively connected with the control module, the current acquisition module and the relay module; the intermediate relay module is respectively connected with the current acquisition module, the relay module and the power supply module; the power utilization module is connected with the current acquisition module and the power supply module, the relay module is not directly connected with the power utilization module, an alternating current contactor is not needed to control the power utilization module, the system structure and the control logic can be simplified, and the functions of circuit control, current acquisition and three-phase circuit access can be realized. Therefore, the power utilization st