Fault self-processing system of SVG reactive power compensation device

The invention provides a fault self-processing system for SVG reactive power compensation devices. The fault self-processing system comprises a plurality of SVG reactive power compensation devices and a standby function unit, the input end of the SVG reactive power compensation device is connected with a circuit breaker, and the SVG reactive power compensation device is connected with a new energy station bus through the circuit breaker. The SVG reactive power compensation device comprises a basic function unit, a ganged switch group and other electrical components, the ganged switch group comprises a first ganged switch and a second ganged switch, the first ganged switch is arranged between the circuit breaker and the basic function unit, and the second ganged switch is arranged between the basic function unit and the other electrical components; the first ganged switch is used for switching connection between the circuit breaker and the input end of the basic function unit and the input end of the standby f