A bidirectional buck-boost converter, comprising: a first inverter, the first inverter comprising a first inverter positive DC terminal, a first inverter negative DC terminal, a first inverter phase one AC terminal, a first inverter phase two AC terminal and a first inverter phase three AC terminal; a second inverter, the second inverter comprising a second inverter positive DC terminal, a second inverter negative DC terminal, a second inverter phase one AC terminal, a second inverter phase two AC terminal and a second inverter phase three AC terminal; a phase one inductor wound on a phase one inductor core, the phase one inductor being configured to electrically connect the first inverter phase one AC terminal with the second inverter phase one AC terminal; a phase two inductor wound on a phase two inductor core, the phase two inductor being configured to electrically connect the first inverter phase two AC terminal with the second inverter phase two AC terminal; a phase three inductor wound on a phase three inductor core, the phase three inductor being configured to electrically connect the first inverter phase three AC terminal with the second inverter phase three AC terminal; characterized in a positive side DC capacitor configured to electrically connect the positive DC terminal of the first inverter to the positive DC terminal of the second inverter; and a negative side DC capacitor configured to electrically connect the negative DC terminal of the first inverter to the negative DC terminal of the second inverter; wherein each of the phase one inductor core, the phase two inductor core and the phase three inductor core are independent cores. a first inverter, the first inverter comprising a first inverter positive DC terminal, a first inverter negative DC terminal, a first inverter phase one AC terminal, a first inverter phase two AC terminal and a first inverter phase three AC terminal; a second inverter, the second inverter comprising a second inverter positive DC terminal, a second inverter negative DC terminal, a second inverter phase one AC terminal, a second inverter phase two AC terminal and a second inverter phase three AC terminal; a phase one inductor wound on a phase one inductor core, the phase one inductor being configured to electrically connect the first inverter phase one AC terminal with the second inverter phase one AC terminal; a phase two inductor wound on a phase two inductor core, the phase two inductor being configured to electrically connect the first inverter phase two AC terminal with the second inverter phase two AC terminal; a phase three inductor wound on a phase three inductor core, the phase three inductor being configured to electrically connect the first inverter phase three AC terminal with the second inverter phase three AC terminal; characterized in a positive side DC capacitor configured to electrically connect the positive DC terminal of the first inverter to the positive DC terminal of the second inverter; and a negative side DC capacitor configured to electrically connect the negative DC terminal of the first inverter to the negative DC terminal of the second inverter; wherein each of the phase one inductor core, the phase two inductor core and the phase three inductor core are independent cores.