Wireless control device for 220kV long cable voltage withstanding test

The utility model relates to a wireless control device for 220kV long cable voltage withstanding tests. The wireless control device comprises a control terminal, and is characterized by further comprising a main control machine, wherein the main control machine comprises an ARM, the ARM is connected with a touch screen display, a CPLD, an A/D conversion circuit and a wireless module used for communicating with the control terminal; an output end of the CPLD is connected with an SPWM driving module, an output end of the SPWM driving module is connected with an exciting transformer through a frequency-conversion voltage-regulation module, the exciting transformer is connected with an LC resonant circuit, and an output of the LC resonant circuit is connected with a first input end of the A/D conversion circuit; and another output end of the frequency-conversion voltage-regulation module is connected with a second input end of the A/D conversion circuit. The wireless control device is simple in structure, and the hardware device can realize remote control by the staff depending on the existing wireless communication protocol.