The auxiliary power supply system includes auxiliary high-voltage power supply, auxiliary low-voltage power supply and power distribution cabinet.

The auxiliary high/low voltage power supply has the functions of automatic switching between constant voltage and constant current working modes, overvoltage protection circuit, overheat protection circuit, short circuit protection and other functions. It should have the functions of pre-setting and viewing constant voltage value, constant current value and overvoltage protection value.

The power distribution cabinet has the functions of power supply voltage display, power distribution, etc., and meets the power supply requirements through current.