Abstract: A vehicle includes an electric machine with two sets of galvanically isolated windings, first and second inverters, a switching arrangement, and a controller. During charge, the controller operates the switching arrangement to isolate the first inverter from the electric machine to permit charge current to flow through one of the sets and induce a voltage in the other of the sets. During propulsion, the controller operates the switching arrangement to couple the first inverter with the one of the sets such that the first and second inverters are configured to only power one of the sets.

Abstract: A vehicle charging system includes a battery bank including at least one repurposed battery and a charging station in electrical communication with the battery bank and configured to deliver a DC output from the battery bank to an electrified vehicle.

Abstract: A vehicle includes an integrated power distribution module. The integrated power distribution module includes a hybrid transformer coupled to a charger stage, a traction battery, and an auxiliary battery. The hybrid transformer includes first and second primary windings coupled in series and connected to the charger stage. The primary windings have a corresponding first secondary winding coupling the traction battery via associated inverters. The primary windings further have corresponding second secondary windings that are coupled in series with opposing voltage polarities and coupled to the auxiliary battery via an associated inverter.

Abstract: An assembly includes a photovoltaic module including a solar cell and a cooling system including a heat pipe adapted to dissipate heat from the solar cell. A method includes dissipating heat from the solar cell using the heat pipe. The photovoltaic module may be disposed on a vehicle to convert solar energy into electricity.

Abstract: A vehicle has an electric machine including two sets of galvanically isolated windings, first and second inverters each coupled with only one of the sets, and a traction battery. The vehicle also has a switching arrangement that, during charge, couples the first inverter with a port such that current from a remote source flows through one of the sets and induces a voltage in the other of the sets to charge the battery while isolating the source from the battery.

Abstract: An exemplary charger positioning method includes, among other things, positioning a charging plug of a conductive charger relative to a charge port of a vehicle based on a wireless transmission between the conductive charger and the vehicle. An exemplary charger assembly includes a transmitter system associated with one of a vehicle or a conductive charger, a receiver system associated with the other of the vehicle or the conductive charger, and an actuator that moves a charging plug of the conductive charger to a charging position in response to a transmission from the transmitter system.

Abstract: A parameter estimation system includes a first coil configured to be loosely inductively coupled to a second coil. A controller is programmed to output parameters of the first coil and second coil. The controller is programmed to estimate the parameters based on voltage and current measurement from only the first or the second coil. The voltage and current measurements may be used in a Kalman filter. In some configurations, the controller is further programmed to command a short circuit between terminals of the second coil and apply a test voltage to the first coil. The first coil may be part of a vehicle charging station and the second coil may be part of a vehicle. The parameters may be utilized to control charging of the vehicle.

Abstract: A power conversion system includes a power converter having output terminals that are electrically isolated from input terminals. The power conversion system further includes a circuit configured to couple a voltage input from a power source to the input terminals, and provide an output voltage to a load that is a series combination of the voltage input and a voltage across the output terminals.

Abstract: Systems to wirelessly power transfer to a tailgate are disclosed. An example disclosed vehicle includes a transmitting circuit in a body of the vehicle configured to transmit power via wireless capacitive transfer. The example vehicle also includes a receiving circuit in a tailgate of the vehicle configured to receive power via wireless capacitive transfer.

Abstract: A vehicle power system includes an electric machine, an inverter, and a plurality of pairs of switches and associated anti-parallel diodes electrically between the electric machine and inverter. Each of the pairs permits current flow from the inverter to the electric machine with activation of the switch, and prevents current flow from the electric machine to the inverter without activation of the switch.

Abstract: A vehicle includes an integrated power distribution module. The integrated power distribution module includes a hybrid transformer coupled to a charger stage, a traction battery, and an auxiliary battery. The hybrid transformer includes first and second primary windings coupled in series and connected to the charger stage. The primary windings have a corresponding first secondary winding coupling the traction battery via associated inverters. The primary windings further have corresponding second secondary windings that are coupled in series with opposing voltage polarities and coupled to the auxiliary battery via an associated inverter.

Abstract: A vehicle includes an electric machine with two sets of galvanically isolated windings, first and second inverters, a switching arrangement, and a controller. During charge, the controller operates the switching arrangement to isolate the first inverter from the electric machine to permit charge current to flow through one of the sets and induce a voltage in the other of the sets. During propulsion, the controller operates the switching arrangement to couple the first inverter with the one of the sets such that the first and second inverters are configured to only power one of the sets.

Abstract: A vehicle has an electric machine including two sets of galvanically isolated windings, first and second inverters each coupled with only one of the sets, and a traction battery. The vehicle also has a switching arrangement that, during charge, couples the first inverter with a port such that current from a remote source flows through one of the sets and induces a voltage in the other of the sets to charge the battery while isolating the source from the battery.

Abstract: A secondary side wireless power transfer compensation circuit includes a secondary coil, a capacitor in series with the secondary coil, and an inductor in parallel with the secondary coil and capacitor. The inductor has an impedance matching a reflected impedance of a load electrically connected thereacross such that the secondary coil achieves resonance with a primary coil coupled therewith at a predetermined frequency that depends on the impedance.

Abstract: A vehicle includes an electric machine with two sets of galvanically isolated windings, and a controller. During charge, the controller isolates a first inverter from a first set of the two sets and couples a power converter electrically between a traction battery and second inverter such that charge current flows through the first set and induces a voltage in a second set of the two sets to charge the battery.

Abstract: A voltage quality module (VQM) function and a solar power generation function are integrated by sharing a single voltage converter (VC) within the electrical system of an automotive vehicle with an electric-start internal combustion engine. The cost of adding solar power generating capabilities to vehicles, the packaging complexities of the systems, and the number of added components are all decreased. The VC can be a DC-DC converter in a boost mode or a buck mode. A switching circuit selectably couples the VC between a main battery and an accessory bus or to between a solar panel and an auxiliary battery. A VC controller regulating a VC output using the main battery to stabilize an accessory bus voltage when in an engine crank mode and otherwise regulating the VC output to match an auxiliary battery voltage using the solar panel output.

Abstract: A power conversion system includes a power converter having output terminals that are electrically isolated from input terminals. The power conversion system further includes a circuit configured to couple a voltage input from a power source to the input terminals, and provide an output voltage to a load that is a series combination of the voltage input and a voltage across the output terminals.

Abstract: A wireless vehicle charging system includes at least one controller configured to operate an inverter to control a voltage input to a power converter in a vehicle to drive an impedance phase angle at an output of the inverter toward a predetermined angle and achieve a power demand at an output of the vehicle power converter. The at least one controller is further configured to operate the vehicle power converter to achieve the power demand. The at least one controller may control a frequency output of the inverter to adjust the voltage input to the power converter based on a rate of change of an objective function that is configured to reduce an output power error of the power converter and an impedance phase angle error at the output of the inverter.

Abstract: A voltage quality module (VQM) function and a solar power generation function are integrated by sharing a single voltage converter (VC) within the electrical system of an automotive vehicle with an electric-start internal combustion engine. The cost of adding solar power generating capabilities to vehicles, the packaging complexities of the systems, and the number of added components are all decreased. The VC can be a DC-DC converter in a boost mode or a buck mode. A switching circuit selectably couples the VC between a main battery and an accessory bus or to between a solar panel and an auxiliary battery. A VC controller regulating a VC output using the main battery to stabilize an accessory bus voltage when in an engine crank mode and otherwise regulating the VC output to match an auxiliary battery voltage using the solar panel output.

Abstract: An apparatus includes an energy input module that applies an amount of energy to a primary converter of a wireless power transfer (“WPT”) system. The WPT system includes secondary converter with a secondary receiver pad. The WPT system transfers energy from a primary transmitter pad to the secondary receiver pad and the secondary converter provides power to a load. The apparatus includes a coupling measurement module that measures a coupling coefficient between the primary transmitter pad and the secondary receiver pad when the primary transmitter pad and the secondary receiver pad are separated by a vertical distance and horizontally aligned at a horizontal position. The apparatus includes a coupling threshold module that determines if the coupling coefficient is above a coupling threshold, and an alignment alert module that sends an alignment alert in response to the coupling coefficient being above the coupling threshold.