Abstract: A powertrain for electric and plug-in hybrid vehicle applications with integrated three-phase AC charging featuring buck-boost operation and optional vehicle-to-grid (V2G) capability, along with corresponding methods and machine instruction sets for switch control. The powertrain can include of a three-phase current source converter (CSC) front-end with an associated input filter, a polarity inversion module, and in an embodiment, a dual-inverter motor drive. The dual-inverter drive is the source of both the back emf and requisite DC inductance for the CSC. A compact design is thus provided as no additional magnetics are required and the on-board cooling system required for traction mode can be re-deployed for charging and V2G mode. The powertrain is mode shifted between charging and V2G mode through an optional polarity inversion module.

Abstract: An electric vehicle fast charger and methods thereof are described, adapted for re-use of magnetic components of an electric vehicle having traction converters when the electric vehicle is stationary and connected to a power grid. A switching stage provided by one or more sets of switches is controlled complementarily with the switches of the traction converters to (i) provide inversion of a grid voltage and (ii) shape current of the grid current between the electric vehicle and the power grid to track a waveshape of the grid voltage. A single switching stage and a dual switching stage circuit are contemplated, along with switch controller circuits, and instruction sets for switch control. Variants provide for energy transfer to accommodate for energy imbalances between storage devices.

Abstract: A powertrain for electric and plug-in hybrid vehicle applications with integrated three-phase AC charging featuring buck-boost operation and optional vehicle-to-grid (V2G) capability, along with corresponding methods and machine instruction sets for switch control. The powertrain can include of a three-phase current source converter (CSC) front-end with an associated input filter, a polarity inversion module, and in an embodiment, a dual-inverter motor drive. The dual-inverter drive is the source of both the back emf and requisite DC inductance for the CSC. A compact design is thus provided as no additional magnetics are required and the on-board cooling system required for traction mode can be re-deployed for charging and V2G mode. The powertrain is mode shifted between charging and V2G mode through an optional polarity inversion module.

Abstract: A powertrain for electric and plug-in hybrid vehicle applications with integrated three-phase AC charging featuring buck-boost operation and optional vehicle-to-grid (V2G) capability, along with corresponding methods and machine instruction sets for switch control. The powertrain can include of a three-phase current source converter (CSC) front-end with an associated input filter, a polarity inversion module, and in an embodiment, a dual-inverter motor drive. The dual-inverter drive is the source of both the back emf and requisite DC inductance for the CSC. A compact design is thus provided as no additional magnetics are required and the on-board cooling system required for traction mode can be re-deployed for charging and V2G mode. The powertrain is mode shifted between charging and V2G mode through an optional polarity inversion module.

Abstract: An innovative power electronic control system suitable for various applications, such as for electric vehicles is provided. The system, in some embodiments, is configured for the purposes of on-board AC fast charging (e.g., single phase or multi-phase) when an object is not in use (e.g., a vehicle is stationary) and use as a drive (e.g., for a vehicle, an EV drivetrain) when in motion. The innovative power electronic control system enables, among others, the ability to obtain fast-charging from existing grid infrastructure.

Abstract: A system for providing both driving and charging functionality by using a plurality of traction inverters and a plurality of energy storage devices coupled to one another across the electric motor; an AC/DC converter front-end circuit interfacing the first/second traction inverters and the power source; a controller circuit configured to control operating characteristics of the AC/DC converter front-end circuit, wherein the first/second traction inverters are provided gating signals to one or more switching gates of the first/second traction inverters to shape power characteristics of power delivered to the first/second energy storage devices, from the power source.

Abstract: An electric vehicle fast charger and methods thereof are described, adapted for re-use of magnetic components of an electric vehicle having traction converters when the electric vehicle is stationary and connected to a power grid. A switching stage provided by one or more sets of switches is controlled complementarily with the switches of the traction converters to (i) provide inversion of a grid voltage and (ii) shape current of the grid current between the electric vehicle and the power grid to track a waveshape of the grid voltage. A single switching stage and a dual switching stage circuit are contemplated, along with switch controller circuits, and instruction sets for switch control. Variants provide for energy transfer to accommodate for energy imbalances between storage devices.

Abstract: An electric vehicle fast charger and methods thereof are described, adapted for re-use of magnetic components of an electric vehicle having traction converters when the electric vehicle is stationary and connected to a power grid. A switching stage provided by one or more sets of switches is controlled complementarily with the switches of the traction converters to (i) provide inversion of a grid voltage and (ii) shape current of the grid current between the electric vehicle and the power grid to track a waveshape of the grid voltage. A single switching stage and a dual switching stage circuit are contemplated, along with switch controller circuits, and instruction sets for switch control. Variants provide for energy transfer to accommodate for energy imbalances between storage devices.

Abstract: A powertrain for electric and plug-in hybrid vehicle applications with integrated three-phase AC charging featuring buck-boost operation and optional vehicle-to-grid (V2G) capability, along with corresponding methods and machine instruction sets for switch control. The powertrain can include of a three-phase current source converter (CSC) front-end with an associated input filter, a polarity inversion module, and in an embodiment, a dual-inverter motor drive. The dual-inverter drive is the source of both the back emf and requisite DC inductance for the CSC. A compact design is thus provided as no additional magnetics are required and the on-board cooling system required for traction mode can be re-deployed for charging and V2G mode. The powertrain is mode shifted between charging and V2G mode through an optional polarity inversion module.

Abstract: A system for providing both driving and charging functionality by using a plurality of traction inverters and a plurality of energy storage devices coupled to one another across the electric motor; an AC/DC converter front-end circuit interfacing the first/second traction inverters and the power source; a controller circuit configured to control operating characteristics of the AC/DC converter front-end circuit, wherein the first/second traction inverters are provided gating signals to one or more switching gates of the first/second traction inverters to shape power characteristics of power delivered to the first/second energy storage devices, from the power source.

Abstract: An electric vehicle fast charger and methods thereof are described, adapted for re-use of magnetic components of an electric vehicle having traction converters when the electric vehicle is stationary and connected to a power grid. A switching stage provided by one or more sets of switches is controlled complementarily with the switches of the traction converters to (i) provide inversion of a grid voltage and (ii) shape current of the grid current between the electric vehicle and the power grid to track a waveshape of the grid voltage. A single switching stage and a dual switching stage circuit are contemplated, along with switch controller circuits, and instruction sets for switch control. Variants provide for energy transfer to accommodate for energy imbalances between storage devices.

Abstract: A functional electrical stimulation (FES) device and system. In one embodiment, sequential bipolar pulse stimulation may be provided to an area of a living body via one or more electrode leads applied to the area via a FES device comprising a current pulse generating circuit comprising output nodes for operative coupling to the one or more electrode leads, and configured for operative coupling to a voltage supply. The current pulse generating circuit generally comprises positive and negative stimulation paths drawing from the voltage supply to respectively apply positive and negative currents through the area via the one or more electrode leads. In one example, the stimulation paths comprise respective capacitive elements, a capacitance ratio of which dictating, at least in part, an amplitude ratio of the positive and negative currents, wherein periodic alternative activation of the stimulation paths provides the sequential bipolar pulse stimulation.

Abstract: A method and system for controlling a cascaded converter has an upstream converter and a downstream converter coupled in series. An energy storage element is provided between the two converters for providing constant energy and to respond to a load step in the load of the system. An upstream controller is connected to the output of the downstream controller to control the duty cycle of the upstream converter as a function of the duty cycle of the downstream controller. The upstream converter controls the duty cycle of the upstream converter in order to maintain the duty cycle of the second converter at a substantially constant reference value. This control of the converters allows for reduction of the energy storage requirements of the cascaded system.

Abstract: A functional electrical stimulation (FES) device and system. In one embodiment, sequential bipolar pulse stimulation may be provided to an area of a living body via one or more electrode leads applied to the area via a FES device comprising a current pulse generating circuit comprising output nodes for operative coupling to the one or more electrode leads, and configured for operative coupling to a voltage supply. The current pulse generating circuit generally comprises positive and negative stimulation paths drawing from the voltage supply to respectively apply positive and negative currents through the area via the one or more electrode leads. In one example, the stimulation paths comprise respective capacitive elements, a capacitance ratio of which dictating, at least in part, an amplitude ratio of the positive and negative currents, wherein periodic alternative activation of the stimulation paths provides the sequential bipolar pulse stimulation.

Abstract: Disclosed herein is a functional electrical stimulation (FES) device and system. In one embodiment, sequential bipolar pulse stimulation may be provided to an area of a living body via one or more electrode leads applied to the area via a FES device comprising a current pulse generating circuit comprising output nodes for operative coupling to the one or more electrode leads, and configured for operative coupling to a voltage supply. The current pulse generating circuit generally comprises positive and negative stimulation paths drawing from the voltage supply to respectively apply positive and negative currents through the area via the one or more electrode leads. In one example, the stimulation paths comprise respective capacitive elements, a capacitance ratio of which dictating, at least in part, an amplitude ratio of the positive and negative currents, wherein periodic alternative activation of the stimulation paths provides the sequential bipolar pulse stimulation.

Abstract: Disclosed herein is a functional electrical stimulation (FES) device and system. In one embodiment, sequential bipolar pulse stimulation may be provided to an area of a living body via one or more electrode leads applied to the area via a FES device comprising a current pulse generating circuit comprising output nodes for operative coupling to the one or more electrode leads, and configured for operative coupling to a voltage supply. The current pulse generating circuit generally comprises positive and negative stimulation paths drawing from the voltage supply to respectively apply positive and negative currents through the area via the one or more electrode leads. In one example, the stimulation paths comprise respective capacitive elements, a capacitance ratio of which dictating, at least in part, an amplitude ratio of the positive and negative currents, wherein periodic alternative activation of the stimulation paths provides the sequential bipolar pulse stimulation.

Abstract: A power flow controller for controlling the flow of active and reactive power on an AC transmission line between an input and output includes first and second power converters, coupled to each other to exchange active power and coupled to the input and output. A controller is coupled to the power converters and controls the converters to provide a controlled quantity of active power to the output, and draw this controlled quantity of active power from the input of the power flow converter. Electric current is diverted at a node between the input and the output, allowing independent control of currents at the input and output. In a preferred embodiment, the two power converters are interconnected in series. A controllable susceptance is connected in shunt at a node between the converters to divert the current.

Abstract: A power flow controller for controlling the flow of active and reactive power on an AC transmission line between an input and output includes first and second power converters, coupled to each other to exchange active power and coupled to the input and output. A controller is coupled to the power converters and controls the converters to provide a controlled quantity of active power to the output, and draw this controlled quantity of active power from the input of the power flow converter. Electric current is diverted at a node between the input and the output, allowing independent control of currents at the input and output. In a preferred embodiment, the two power converters are interconnected in series. A controllable susceptance is connected in shunt at a node between the converters to divert the current.