A power conversion assembly, comprising: a power converter (174, 304) comprising a plurality of switching devices; a power source (172, 308) electrically coupled to the power converter (174, 304); and a circuit bridging the power converter (174, 304) and the power source (172, 308), the circuit comprising a direct current link (173, 312) comprising a positive rail, a negative rail, and a capacitor bank bridging the power converter (174, 304) and the power source (172, 308), the capacitor bank configured for maintaining a voltage of the DC link (173, 312) within a certain range, the capacitor bank comprising a plurality of capacitors coupled to the positive rail and the negative rail, the plurality of capacitors comprising a first set of capacitors being a first type of capacitors and a second set of capacitors being a different, second type of capacitors, wherein each capacitor in the first set of capacitors is positioned closer to a respective switching device of the plurality of switching devices than a corresponding capacitor of the second set of capacitors to minimize impedance between each capacitor in the first set of capacitors and the respective switching device wherein the first type of capacitors are film capacitors and the second type of capacitors are electrolytic capacitors, characterized in that the first set of capacitors and the respective switching devices are located along one side of a planar busbar, and the corresponding capacitors of the second set of capacitors are located along the opposite side of the planar busbar, wherein each respective switching device and each capacitor of the first set has a planar configuration perpendicular to the busbar, and wherein each capacitor of the first set is parallel and adjacent to its respective switching device. a power converter (174, 304) comprising a plurality of switching devices; a power source (172, 308) electrically coupled to the power converter (174, 304); and a circuit bridging the power converter (174, 304) and the power source (172, 308), the circuit comprising a direct current link (173, 312) comprising a positive rail, a negative rail, and a capacitor bank bridging the power converter (174, 304) and the power source (172, 308), the capacitor bank configured for maintaining a voltage of the DC link (173, 312) within a certain range, the capacitor bank comprising a plurality of capacitors coupled to the positive rail and the negative rail, the plurality of capacitors comprising a first set of capacitors being a first type of capacitors and a second set of capacitors being a different, second type of capacitors, wherein each capacitor in the first set of capacitors is positioned closer to a respective switching device of the plurality of switching devices than a corresponding capacitor of the second set of capacitors to minimize impedance between each capacitor in the first set of capacitors and the respective switching device wherein the first type of capacitors are film capacitors and the second type of capacitors are electrolytic capacitors, characterized in that the first set of capacitors and the respective switching devices are located along one side of a planar busbar, and the corresponding capacitors of the second set of capacitors are located along the opposite side of the planar busbar, wherein each respective switching device and each capacitor of the first set has a planar configuration perpendicular to the busbar, and wherein each capacitor of the first set is parallel and adjacent to its respective switching device.