Voltage Conversion Circuit, Inverter Device, and Energy Storage Device

The present application discloses a voltage conversion circuit, an inverter device, and an energy storage device. The voltage conversion circuit comprises an auxiliary switching circuit for a Heric topology circuit. The auxiliary switching circuit comprises a first switching unit, a second switching unit, a transformer, a first inductor, and a first diode. A first terminal of the first switching unit is connected to a positive electrode of a direct current side of the Heric topology circuit, and a second terminal of the first switching unit is connected to a first terminal of the transformer. A first terminal of the second switching unit is connected to a second terminal of the transformer, and a second terminal of the second switching unit is connected to a negative electrode of the direct current side.