A system comprising a rectifier (200; 300) comprising: a plurality of bridge structures configured to receive an input current of a power supply (220; 320), wherein each bridge structure in the plurality of bridge structures comprises a plurality of diodes (204; 304) and a plurality of active switches (202; 302), wherein each active switch in the plurality of active switches is configured to provide a parallel path around each diode in the plurality of diodes when in a PWM state; and wherein the power supply comprises a three-phase power supply configured to supply three input currents to the rectifier; a plurality of bi-directional switches (206; 306) coupled to the plurality of bridge structures and a midpoint of a capacitor bridge; and a controller (240; 340) configured to: determine a threshold current for the rectifier (200; 300); and operate one or more active switches in the rectifier in a PWM state based on the input current being less than the threshold current, wherein the plurality of active switches (202; 302) comprise insulated gate bipolar transistors (IGBT), and wherein a current rating of the plurality of active switches (202; 302) is an order of magnitude less than a current rating of the plurality of diodes (204; 304), wherein each bi-directional switch (206; 306) comprises two IGBTs and two diodes, and wherein the capacitor bridge comprises two capacitors (222, 224) configured to smooth a DC output power signal; and wherein the controller (240; 340) is further configured to: operate the plurality of active switches (202; 302) in the rectifier in an off state based on the input current exceeding the threshold current in order to operate the rectifier as a Vienna type rectifier. a rectifier (200; 300) comprising: a plurality of bridge structures configured to receive an input current of a power supply (220; 320), wherein each bridge structure in the plurality of bridge structures comprises a plurality of diodes (204; 304) and a plurality of active switches (202; 302), wherein each active switch in the plurality of active switches is configured to provide a parallel path around each diode in the plurality of diodes when in a PWM state; and wherein the power supply comprises a three-phase power supply configured to supply three input currents to the rectifier; a plurality of bi-directional switches (206; 306) coupled to the plurality of bridge structures and a midpoint of a capacitor bridge; and a plurality of bridge structures configured to receive an input current of a power supply (220; 320), wherein each bridge structure in the plurality of bridge structures comprises a plurality of diodes (204; 304) and a plurality of active switches (202; 302), wherein each active switch in the plurality of active switches is configured to provide a parallel path around each diode in the plurality of diodes when in a PWM state; and wherein the power supply comprises a three-phase power supply configured to supply three input currents to the rectifier; a plurality of bi-directional switches (206; 306) coupled to the plurality of bridge structures and a midpoint of a capacitor bridge; and a controller (240; 340) configured to: determine a threshold current for the rectifier (200; 300); and operate one or more active switches in the rectifier in a PWM state based on the input current being less than the threshold current, wherein the plurality of active switches (202; 302) comprise insulated gate bipolar transistors (IGBT), and wherein a current rating of the plurality of active switches (202; 302) is an order of magnitude less than a current rating of the plurality of diodes (204; 304), wherein each bi-directional switch (206; 306) comprises two IGBTs and two diodes, and wherein the capacitor bridge comprises two capacitors (222, 224) configured to smooth a DC output power signal; and wherein the controller (240; 340) is further configured to: operate the plurality of active switches (202; 302) in the rectifier in an off state based on the input current exceeding the threshold current in order to operate the rectifier as a Vienna type rectifier. determine a threshold current for the rectifier (200; 300); and operate one or more active switches in the rectifier in a PWM state based on the input current being less than the threshold current, wherein the plurality of active switches (202; 302) comprise insulated gate bipolar transistors (IGBT), and wherein a current rating of the plurality of active switches (202; 302) is an order of magnitude less than a current rating of the plurality of diodes (204; 304), wherein each bi-directional switch (206; 306) comprises two IGBTs and two diodes, and wherein the capacitor bridge comprises two capacitors (222, 224) configured to smooth a DC output power signal; and wherein the controller (240; 340) is further configured to: operate the plurality of active switches (202; 302) in the rectifier in an off state based on the input current exceeding the threshold current in order to operate the rectifier as a Vienna type rectifier.