这是一个DCDC斩波器，并且是隔离型的，可以将高压直流转化为低压直流，并且实现电压可控，可以用于蓄电池充放电。-This is a DCDC chopper, and is isolated and can be converted to low-voltage DC high-voltage direct current and voltage controlled to achieve, can be used for battery charging and discharging.