Field operation multimode power converter

The utility model provides a multi-mode power converter for field operations, which belongs to the technical field of power supplies and comprises a multi-mode inverter module, a first inverter module, a second inverter module and a third inverter module. The multi-mode inverter module comprises a direct-current power supply interface, an alternating-current power supply interface, a first AC-DC conversion unit, a DC-AC conversion unit and a first switch unit; the first switch unit comprises a first terminal, a second terminal and a third terminal, only one of the first terminal and the second terminal is connected with the third terminal, and the third terminal is connected with the DC input end of the DC-AC conversion unit; the direct-current power supply interface is connected with the second terminal; the AC power supply interface is connected with the AC input end of the first AC-DC conversion unit, and the DC output end of the first AC-DC conversion unit is connected with the first terminal. The AC outp