A power conversion circuit, comprising: a switching network (702, T1-T4), a control circuit, a filter circuit, a direct current side circuit, and an alternating current side circuit, wherein the switching network is connected to the direct current side circuit, the switching network is connected to the control circuit, the switching network (702, T1-T4) is connected to the filter circuit, and the filter circuit is connected to the alternating current side circuit; the control circuit is configured to control the switching network; the filter circuit comprises a first power inductor, a common mode choke (Lcm), a first differential mode filter capacitor (Cdm), a first common mode filter capacitor (Ccml), and a second common mode filter capacitor; the first power inductor comprises a first winding and a second winding, and the common mode choke (Lcm) comprises a third winding and a fourth winding; both a first end of the first winding and a first end of the second winding are separately connected to the switching network, a second end of the first winding is connected to a first end of the third winding, and a second end of the second winding is connected to a first end of the fourth winding; two ends of the first differential mode filter capacitor (Cdm) are respectively connected to the second end of the first winding and the second end of the second winding; a first end of the first common mode filter capacitor is connected to a second end of the third winding, and a second end of the first common mode filter capacitor is connected to the direct current side circuit by using a low impedance circuit; and a first end of the second common mode filter capacitor is connected to a second end of the fourth winding, and a second end of the second common mode filter capacitor is connected to the direct current side circuit by using a low impedance circuit, wherein the direct current side circuit comprises a positive busbar, a busbar capacitor (Cdc), and a negative busbar, and two ends of the busbar capacitor (Cdc) are respectively connected to the positive busbar and the negative busbar, characterized in that: the second end of the first common mode filter capacitor is connected to the positive busbar, and the second end of the second common mode filter capacitor is connected to the negative busbar. a switching network (702, T1-T4), a control circuit, a filter circuit, a direct current side circuit, and an alternating current side circuit, wherein the switching network is connected to the direct current side circuit, the switching network is connected to the control circuit, the switching network (702, T1-T4) is connected to the filter circuit, and the filter circuit is connected to the alternating current side circuit; the control circuit is configured to control the switching network; the filter circuit comprises a first power inductor, a common mode choke (Lcm), a first differential mode filter capacitor (Cdm), a first common mode filter capacitor (Ccml), and a second common mode filter capacitor; the first power inductor comprises a first winding and a second winding, and the common mode choke (Lcm) comprises a third winding and a fourth winding; both a first end of the first winding and a first end of the second winding are separately connected to the switching network, a second end of the first winding is connected to a first end of the third winding, and a second end of the second winding is connected to a first end of the fourth winding; two ends of the first differential mode filter capacitor (Cdm) are respectively connected to the second end of the first winding and the second end of the second winding; a first end of the first common mode filter capacitor is connected to a second end of the third winding, and a second end of the first common mode filter capacitor is connected to the direct current side circuit by using a low impedance circuit; and a first end of the second common mode filter capacitor is connected to a second end of the fourth winding, and a second end of the second common mode filter capacitor is connected to the direct current side circuit by using a low impedance circuit, wherein the direct current side circuit comprises a positive busbar, a busbar capacitor (Cdc), and a negative busbar, and two ends of the busbar capacitor (Cdc) are respectively connected to the positive busbar and the negative busbar, characterized in that: the second end of the first common mode filter capacitor is connected to the positive busbar, and the second end of the second common mode filter capacitor is connected to the negative busbar.