Abstract: A hybrid energy storage module system includes a first power stage having a short circuit switch to connect the first power stage to a power bus, a second power stage stacked in series with the first power stage and having a short circuit switch to connect the second power stage to the power bus, and a controller. The controller is operably connected to the first and second power stage short circuit switches to discharge one of the first and second power stage through the other of the first and second power stage in a state of charge balancing mode. Aircraft electrical systems and methods of controlling connectivity of hybrid energy storage modules to electrical systems are also described.

Abstract: An energy storage module (ESM) assembly, ESM and method of balancing current flow on a direct current bus are provided. The ESM assembly includes a bidirectional DC-DC converter, an ESM having first and second energy cell strings connected in parallel relative to one another and configured to be connected to respective inputs of the bidirectional DC-DC converter. The ESM is configured to absorb current from the bidirectional DC-DC converter when the bidirectional DC-DC converter is operated in a buck mode. The ESM is configured to source current to the bidirectional DC-DC converter when the bidirectional DC-DC converter is operated in a boost mode.

Abstract: Provided are embodiments of a system for split power-control electronics with fiber-optic multiplexing. The system includes one or more power electronics modules configured to provide power to a load, and a control card configured to control the one or more power electronics modules. The system also includes a control module configured to receive and process the control card, and one or more connections, the one or more connections configured to connect a control module to the one or more power electronics modules. Also provided are embodiments of a method for operating power electronics modules in a redundant mode.

Abstract: A system includes a DC-DC power converter including a first pair of input/output lines for connecting to a first device for supplying power to or drawing power from the first device, and a second pair of input output lines for supplying power to or drawing from a second device. The system includes at least one ultra-capacitor connected across the first pair of input/output lines.

Abstract: Provided are embodiments of a system for split power-control electronics with fiber-optic multiplexing. The system includes one or more power electronics modules configured to provide power to a load, and a control card configured to control the one or more power electronics modules. The system also includes a control module configured to receive and process the control card, and one or more connections, the one or more connections configured to connect a control module to the one or more power electronics modules. Also provided are embodiments of a method for operating power electronics modules in a redundant mode.

Abstract: A system includes a DC-DC power converter including a first pair of input/output lines for connecting to a first device for supplying power to or drawing power from the first device, and a second pair of input output lines for supplying power to or drawing from a second device. The system includes at least one ultra-capacitor connected across the first pair of input/output lines.

Abstract: A system is provided. The system includes a semi-conductor device and a gate drive board. The gate drive board provides a voltage to the semi-conductor device. The system also includes a controller and a monitoring circuit. The controller drives the voltage provided by the gate drive board. The monitoring circuit is coupled to the gate drive board to monitor operations of the controller and the semi-conductor device.

Abstract: Embodiments herein relate to a reconfigurable three-phase rectifier/converter drive. The drive includes a three phase input connection configured for connection to a three phase alternating current power source, a three-phase rectifier bridge operably connected to the three phase input connection, a plurality of a capacitors, configurable as a filter, and a positive and negative output terminal connected to and configured to supply a load. The three-phase rectifier/converter drive is configurable by selected connections with at least one positive rail adaptor plate, at least one negative rail adaptor plate, and at least one of filter bus adapter plate as two independent drives supplying independent loads, two drives in series supplying a common load, or two drives in parallel supplying a common load.

Abstract: An energy storage module (ESM) assembly, ESM and method of balancing current flow on a direct current bus are provided. The ESM assembly includes a bidirectional DC-DC converter, an ESM having first and second energy cell strings connected in parallel relative to one another and configured to be connected to respective inputs of the bidirectional DC-DC converter. The ESM is configured to absorb current from the bidirectional DC-DC converter when the bidirectional DC-DC converter is operated in a buck mode. The ESM is configured to source current to the bidirectional DC-DC converter when the bidirectional DC-DC converter is operated in a boost mode.

Abstract: A power converter may comprise a magnetic core, a transformer primary winding configured to generate a magnetic field in the magnetic core, and a transformer secondary winding matrix. The transformer secondary winding matrix may comprise a plurality of secondary windings configurable between various electrical connections relative to one another (e.g., in series or in parallel) to adjust a voltage conversion ratio of the power converter.

Abstract: A hybrid energy storage module system includes a first power stage having a short circuit switch to connect the first power stage to a power bus, a second power stage stacked in series with the first power stage and having a short circuit switch to connect the second power stage to the power bus, and a controller. The controller is operably connected to the first and second power stage short circuit switches to discharge one of the first and second power stage through the other of the first and second power stage in a state of charge balancing mode. Aircraft electrical systems and methods of controlling connectivity of hybrid energy storage modules to electrical systems are also described.

Abstract: A power converter may comprise a magnetic core, a transformer primary winding configured to generate a magnetic field in the magnetic core, and a transformer secondary winding matrix. The transformer secondary winding matrix may comprise a plurality of secondary windings configurable between various electrical connections relative to one another (e.g., in series or in parallel) to adjust a voltage conversion ratio of the power converter.

Abstract: A hybrid energy storage module includes a bus lead and two or more high-power modules connectable to the bus lead. A controller is operably connected to a first of the high-power modules and a second of the high-power module. The controller has a pulse mode, where the first high-power module is connected to the bus lead. The controller also has an extended mode, where both the first high-power module and the second high-power module are connected to the bus lead.

Abstract: An electrical accumulator arrangement includes a plurality of energy storage modules having source and return leads. The source lead of a first energy storage module is connected to the return lead of a second energy storage module. The return lead of the first energy storage module is electrically isolated from the source lead of the second energy storage module to pulse voltage across rails of a multi-level direct current power bus.

Abstract: A system for filtering mechanically-induced signal noise from a speed sensor may include a rotating member having at least one target group radially oriented about a center of the rotating member, an inductive speed sensor configured to sense the at least one target group, and two diode pairs each having a first diode and a second diode. The two diode pairs may be operatively connected to the inductive speed sensor and configured to receive a signal having the mechanically-induced signal noise. The system may also include a resistor connecting the diode pairs, a processor connected in parallel with the resistor and configured to receive a signal from the inductive speed sensor. The processor may be configured to receive a signal having reduced signal noise via the diode pairs, and determine a rotational speed of the rotating member based on the signal having reduced signal noise.

Abstract: An electrical accumulator arrangement includes a plurality of energy storage modules having source and return leads. The source lead of a first energy storage module is connected to the return lead of a second energy storage module. The return lead of the first energy storage module is electrically isolated from the source lead of the second energy storage module to pulse voltage across rails of a multi-level direct current power bus.

Abstract: A hybrid energy storage module includes a bus lead and two or more high-power modules connectable to the bus lead. A controller is operably connected to a first of the high-power modules and a second of the high-power module. The controller has a pulse mode, where the first high-power module is connected to the bus lead. The controller also has an extended mode, where both the first high-power module and the second high-power module are connected to the bus lead.

Abstract: A system for filtering mechanically-induced signal noise from a speed sensor may include a rotating member having at least one target group radially oriented about a center of the rotating member, an inductive speed sensor configured to sense the at least one target group, and two diode pairs each having a first diode and a second diode. The two diode pairs may be operatively connected to the inductive speed sensor and configured to receive a signal having the mechanically-induced signal noise. The system may also include a resistor connecting the diode pairs, a processor connected in parallel with the resistor and configured to receive a signal from the inductive speed sensor. The processor may be configured to receive a signal having reduced signal noise via the diode pairs, and determine a rotational speed of the rotating member based on the signal having reduced signal noise.

Abstract: A phase leg for a multilevel inverter includes a positive DC lead, a first outer MOSFET connected to the positive DC lead, a first inner IGBT connected to the first outer MOSFET, a second inner IGBT connected to the first inner IGBT, and a second outer IGBT connected to the second inner IGBT. The first and second outer MOSFETs are superjunction MOSFETs voltage balanced by the first and second IGBTs for reducing voltage stress in the solid-state switch phase leg when the superjunction MOSFET and the IGBT are conducting current from the DC lead to the AC lead.

Abstract: An immersion cooled motor controller assembly is disclosed that includes a sealed housing, a fluorocarbon cooling liquid contained in the sealed housing, and an AC/AC motor controller disposed in the sealed housing and submerged in the fluorocarbon cooling liquid, wherein the AC/AC motor controller includes a power board module adapted and configured to operate at power levels greater than 30 kW.