Bidirectional conversion circuit and bidirectional converter

The invention discloses a bidirectional conversion circuit and a bidirectional converter, and relates to the technical field of power supply. The bidirectional conversion circuit comprises a DC power supply, a push-pull circuit, a first selection circuit, an inductance filter circuit, a transformer, a full-bridge rectification circuit and a first filter circuit. Two opposite arms of the full-bridge rectifier circuit respectively comprise a power switch circuit, and the first filter circuit is used for being directly connected with a load and a power supply or indirectly connected with the load and the power supply through the full-bridge inverter circuit. According to the bidirectional conversion circuit and the bidirectional converter provided by the embodiment of the invention, the first selection circuit and the inductance filter circuit are additionally arranged on the DC power supply side, and the two oppositely arranged arms of the full-bridge rectification circuit are arranged to comprise the power swi