Abstract: A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter), the AC-DC converter including a bulk capacitor; a DC-DC converter connectable to the AC-DC converter; and one or more controllers configured to control the system by performing operations, the operations including: determining a current demand of a load, the load being connectable to the DC-DC converter, for a charging cycle of the load; performing a first comparison of the current demand to one or more current demand thresholds; and generating a voltage setpoint for the bulk capacitor based on the first comparison, wherein the generation of the voltage setpoint limits output current ripple of the DC-DC converter for the charging cycle.

Abstract: A system for a direct current (DC)-DC converter includes a transformer, a bridge driver connected to a primary side of the transformer, and a bridge rectifier connected to a secondary side of the transformer, wherein one or more switches in the bridge driver are operable to configure the bridge driver into each of a half-bridge driver configuration and a full-bridge driver configuration, and to transition between the half-bridge driver configuration and the full-bridge driver configuration while the DC-DC converter is outputting power.

Abstract: A system includes: a bidirectional alternating current (AC) to direct current (DC) converter (AC-DC converter) connectable to a line voltage and a battery, the AC-DC converter including: one or more leaves connectable to the line voltage and the battery, the one or more leaves configured to receive DC voltage from the battery and generate AC voltage for the line voltage, and a neutral leaf connectable to the line voltage and the battery, the neutral leaf configured to provide a return path for the generated AC voltage from the line voltage to the AC-DC converter; and one or more controllers configured to control an operation of the one or more leaves and the neutral leaf to control the AC voltage.

Abstract: A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter) including a bulk capacitor, the AC-DC converter connectable to a line voltage; a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: one or more transformers having a secondary side connectable to a battery, and a bridge rectifier connected to the secondary side of the one or more transformers, the bridge rectifier including a bridge rectifier switch; and one or more controllers configured to control an operation of the bridge rectifier switch to control a voltage of the bulk capacitor.

Abstract: A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter) including: a bulk capacitor, and an AC-DC converter switch connectable to a line voltage; a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: one or more transformers having a secondary side connectable to a battery, and a bridge driver connected to a primary side of the one or more transformers, the bridge driver including a bridge driver switch; and one or more controllers configured to control an operation of the bridge driver switch to control a discharge of the bulk capacitor to the battery at an end of a grid-to-battery operation, the grid-to-battery operation to supply electric power from the line voltage to the battery.

Abstract: A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter), the AC-DC converter including a bulk capacitor; a DC-DC converter connectable to the AC-DC converter; and one or more controllers configured to control the system by performing operations, the operations including: determining a current demand of a load, the load being connectable to the DC-DC converter, for a charging cycle of the load; performing a first comparison of the current demand to one or more current demand thresholds; and generating a voltage setpoint for the bulk capacitor based on the first comparison, wherein the generation of the voltage setpoint limits output current ripple of the DC-DC converter for the charging cycle.

Abstract: A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter) including a bulk capacitor, the AC-DC converter connectable to a line voltage; a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: one or more transformers having a secondary side connectable to a battery, a bridge rectifier connected to the secondary side of the one or more transformers, the bridge rectifier including a bridge rectifier switch, and a filter capacitor; and one or more controllers configured to control an operation of the bridge rectifier switch to control a discharge of the filter capacitor to the bulk capacitor.

Abstract: A system includes: a battery charger to convert AC power to DC power to charge a battery, wherein the battery charger includes: an upper switch to condition an input voltage and input current; a lower switch to condition the input voltage and the input current: an upper silicon controlled rectifier (SCR); a lower SCR; and a bulk capacitor.

Abstract: An electronic circuit includes a power factor correction and inverter stage electrically connected to a power source. The power factor correction and inverter stage includes at least one relay. The electric circuit also includes an isolated direct current to direct current converter stage configured to convert power from the power factor correction and inverter stage and to provide the converted power to a load. The power factor correction and inverter stage is configured to selectively direct power from the power source to the isolated direct current to direct current converter stage and at least one power outlet.

Abstract: A system for a direct current (DC)-DC converter includes a transformer, a bridge driver connected to a primary side of the transformer, and a bridge rectifier connected to a secondary side of the transformer, wherein one or more switches in the bridge driver are operable to configure the bridge driver into each of a half-bridge driver configuration and a full-bridge driver configuration, and to transition between the half-bridge driver configuration and the full-bridge driver configuration while the DC-DC converter is outputting power.