High-voltage inverter circuit and discharge loop

The utility model provides a high-voltage inverter circuit and a discharge loop, and the high-voltage inverter circuit comprises a protection circuit which is used for accessing a three-phase alternating current; the discharge loop comprises a first resistor, a second resistor, a first capacitor, a third resistor, a silicon controlled rectifier and a relay contact; the two ends of the second capacitor are electrically connected with the positive electrode and the negative electrode of the protection circuit respectively; the control circuit is electrically connected with the protection circuit; the discharge loop is electrically connected between the protection circuit and the second capacitor, and the second capacitor is electrically connected between the discharge loop and the control circuit. According to the utility model, the arrangement mode of the discharge loop not only is fast in discharge, but also is less in heat emission and not easy to age, and in addition, when a fault occurs, workers do not hav