Abstract: A battery electric vehicle (BEV) charging station includes at least one power module having a plurality of switches that rectify alternating current (AC) electrical power received from a power grid into direct current (DC) electrical power supplied to a BEV; at least one switched mode power supply (SMPS) internal to the power module; and operational equipment electrically connected to the SMPS in the power control module.

Abstract: A direct current (DC) fast charger for charging batteries of electric vehicles (EVs) that includes a primary circuit, with seven bidirectional switches, electrically linked to a primary wire of a transformer and configured to receive alternating current (AC) voltage; and a secondary circuit, including a plurality of diodes arranged to rectify AC voltage into DC voltage, that is electrically linked to a secondary wire of the transformer, such that the DC fast charger unidirectionally converts AC voltage received at the primary circuit into DC voltage output by the secondary circuit.

Abstract: A direct current (DC) fast charger for charging batteries of electric vehicles (EVs), includes a primary circuit, including seven bidirectional switches, electrically linked to a primary wire of a transformer and configured to receive alternating current (AC) power from a power grid; a secondary circuit electrically linked to a secondary wire of the transformer for converting AC power into DC power; and a control system, electrically linked to the primary circuit and the secondary circuit, that changes the frequency of the AC power received from the power grid in five switching states.

Abstract: A power factor correction module bi-directionally communicates single¬ phase alternating current (AC) between an electrical grid and the electrically-propelled vehicle and includes a first inductor electrically connected to a first primary switch and a second primary switch; a second inductor electrically connected to a third primary switch and a fourth primary switch; a first rectifying switch electrically connected to the first primary switch and the third primary switch; and a second rectifying switch electrically connected to the second primary switch and the fourth primary switch, wherein a microprocessor concurrently opens two primary switches and one rectifying switch while closing two other primary switches and another rectifying switch during communication of single-phase electrical current from the electrical grid through the first inductor and the second inductor to the electrically-propelled vehicle or during communication of single-phase electrical current from the vehicle through the first induc

Abstract: A switching circuit for an electric vehicle (EV) includes a first leg of the switching circuit, including a first switch and a second switch, that receives a first phase of three-phase alternating current (AC) electrical power; a second leg of the switching circuit, including a first switch and a second switch, that receives a second phase of three-phase AC electrical power; a third leg of the switching circuit, including a first switch and a second switch, that receives a third phase of three-phase AC electrical power; and a capacitor leg having two or more capacitors electrically connected in parallel with the first leg, the second leg, the third leg of the switching circuit, wherein the capacitor(s) permit zero sequence current flow through the first leg, the second leg, and the third leg while the three-phase AC electrical power is applied to the circuit.