Abstract: A system for charging a battery includes three sub-modules, each receiving a respective phase of a three-phase alternating current (AC) signal. The three sub-modules cooperate to transform the respective phases of the three-phase AC signal to a direct current (DC) signal by passing the respective phases of the three-phase AC signal through a respective semiconductor device configured to discontinuously modulate the respective phase of the three-phase AC signal to convert it to a DC signal provided to the battery to charge the battery.

Abstract: Aspects of the invention overcome a monolithic approach to conventional low-frequency LPTs by using a high-frequency solid-state alternating current ac/ac modular powerconversion approach. Embodiments of the invention enable the ability to incorporate new technologies without in all cases redoing a LPT design from scratch. Furthermore, given that LPTs are for the long term, aspects of the invention ensure that they are durable, efficient, and fault tolerant with overloading capability.

Abstract: A system for charging a battery includes three sub-modules, each receiving a respective phase of a three-phase alternating current (AC) signal. The three sub-modules cooperate to transform the respective phases of the three-phase AC signal to a direct current (DC) signal by passing the respective phases of the three-phase AC signal through a respective semiconductor device configured to discontinuously modulate the respective phase of the three-phase AC signal to convert it to a DC signal provided to the battery to charge the battery.

Abstract: Aspects of the invention overcome a monolithic approach to conventional low-frequency LPTs by using a high-frequency solid-state alternating current ac/ac modular power-conversion approach. Embodiments of the invention enable the ability to incorporate new technologies without in all cases redoing a LPT design from scratch. Furthermore, given that LPTs are for the long term, aspects of the invention ensure that they are durable, efficient, and fault tolerant with overloading capability.

Abstract: A system for charging a battery includes three sub-modules, each receiving a respective phase of a three-phase alternating current (AC) signal. The three sub-modules cooperate to transform the respective phases of the three-phase AC signal to a direct current (DC) signal by passing the respective phases of the three-phase AC signal through a respective semiconductor device configured to discontinuously modulate the respective phase of the three-phase AC signal to convert it to a DC signal provided to the battery to charge the battery.

Abstract: A system for co-transmitting discrete power and data over a common high frequency channel includes a power transmitting node, a power receiving node, a data transmitting node, a data receiving node, a power transmitting switch, a power receiving switch, a data transmitting switch, a data receiving switch, a primary power switch, a secondary power switch, a common high frequency channel, a first control unit, and a second control unit. When the primary power switch, power transmitting switch, and power receiving switch are in an activated state, a power signal is transmitted over the common high frequency channel from the power transmitting node to the power receiving node. When the secondary power switch, data transmitting switch, and data receiving switch are in an activated state, a data signal is transmitted over the common high frequency channel from the data transmitting node to the data receiving node.

Abstract: A system for charging a battery includes three sub-modules, each receiving a respective phase of a three-phase alternating current (AC) signal. The three sub-modules cooperate to transform the respective phases of the three-phase AC signal to a direct current (DC) signal by passing the respective phases of the three-phase AC signal through a respective semiconductor device configured to discontinuously modulate the respective phase of the three-phase AC signal to convert it to a DC signal provided to the battery to charge the battery.

Abstract: A system for co-transmitting discrete power and data over a common high frequency channel includes a power transmitting node, a power receiving node, a data transmitting node, a data receiving node, a power transmitting switch, a power receiving switch, a data transmitting switch, a data receiving switch, a primary power switch, a secondary power switch, a common high frequency channel, a first control unit, and a second control unit. When the primary power switch, power transmitting switch, and power receiving switch are in an activated state, a power signal is transmitted over the common high frequency channel from the power transmitting node to the power receiving node. When the secondary power switch, data transmitting switch, and data receiving switch are in an activated state, a data signal is transmitted over the common high frequency channel from the data transmitting node to the data receiving node.

Abstract: Aspects of the invention overcome a monolithic approach to conventional low-frequency LPTs by using a high-frequency solid-state alternating current ac/ac modular power-conversion approach. Embodiments of the invention enable the ability to incorporate new technologies without in all cases redoing a LPT design from scratch. Furthermore, given that LPTs are for the long term, aspects of the invention ensure that they are durable, efficient, and fault tolerant with overloading capability.

Abstract: A system for co-transmitting discrete power and data over a common high frequency channel includes a power transmitting node, a power receiving node, a data transmitting node, a data receiving node, a power transmitting switch, a power receiving switch, a data transmitting switch, a data receiving switch, a primary power switch, a secondary power switch, a common high frequency channel, a first control unit, and a second control unit. When the primary power switch, power transmitting switch, and power receiving switch are in an activated state, a power signal is transmitted over the common high frequency channel from the power transmitting node to the power receiving node. When the secondary power switch, data transmitting switch, and data receiving switch are in an activated state, a data signal is transmitted over the common high frequency channel from the data transmitting node to the data receiving node.

Abstract: This present invention provides a novel photoconductive semiconductor switch (PCSS) comprising: a semi-insulating substrate, an anode formed on the upper surface of said semi-insulating substrate, a first n-type doped layer formed on the lower surface of said semi-insulating substrate, a p-type doped layer formed on said first n-type doped layer, a second n-type doped layer formed on said p-type doped layer, a cathode formed on said second n-type doped layer, several recesses facing towards said first n-type doped layer and vertically extending into a part of said first n-type doped layer, an insulating layer formed on said second n-type doped layer and on the walls and the bottoms of said recesses, a gate electrode consisting of two parts, one part of the which formed on said insulating layer on the walls and the bottoms of recesses, and the other part of the which formed on a part of the insulating layer on the second n-type doped layer for electrically connecting the part of the gate electrode on the reces

Abstract: This present invention provides a novel photoconductive semiconductor switch (PCSS) comprising: a semi-insulating substrate, an anode formed on the upper surface of said semi-insulating substrate, a first n-type doped layer formed on the lower surface of said semi-insulating substrate, a p-type doped layer formed on said first n-type doped layer, a second n-type doped layer formed on said p-type doped layer, a cathode formed on said second n-type doped layer, several recesses facing towards said first n-type doped layer and vertically extending into a part of said first n-type doped layer, an insulating layer formed on said second n-type doped layer and on the walls and the bottoms of said recesses, a gate electrode consisting of two parts, one part of the which formed on said insulating layer on the walls and the bottoms of recesses, and the other part of the which formed on a part of the insulating layer on the second n-type doped layer for electrically connecting the part of the gate electrode on the reces

Abstract: An embodiment of the invention is a scalable single stage differential power converter. The inverter can be implemented in signal, split and multi-phases. A multiphase converter can be achieved with only three modules. Integrated magnetics used in preferred embodiments of the invention mitigate the DC component of the steady-state dynamics and can be extended to AC ripple mitigation. Control architectures in preferred embodiments can mitigate higher order harmonics in steady state dynamics. Embodiments of the invention also provide scalability for voltage and current source topologies.

Abstract: Preferred embodiments of the invention include a thyristor core that is single biased by a source, such as a power source (or a portion thereof) that is being switched through the thyristors. An optically activated transistor that is preferably a minority carrier device is in series with the thyristor core. The thyristor core has an optically activated gate. The turn-off of the thyristor can be accelerated by the turn-on (conduction state) of a gate switch, which ensures a unity gain turn-off of the core thyristor.

Abstract: An embodiment of the invention is a scalable single stage differential power converter. The inverter can be implemented in signal, split and multi-phases. A multiphase converter can be achieved with only three modules. Integrated magnetics used in preferred embodiments of the invention mitigate the DC component of the steady-state dynamics and can be extended to AC ripple mitigation. Control architectures in preferred embodiments can mitigate higher order harmonics in steady state dynamics. Embodiments of the invention also provide scalability for voltage and current source topologies.

Abstract: Method for operating an ac/ac converter circuit for a high-frequency-link converter. The ac/ac converter circuit converts an ac input voltage to an ac output voltage. When the ac input voltage is zero, each of a pair of switches for both first and second arms are caused to be on. Current flows through the first arm along a first direction and through the second arm along a second, opposite direction. Next, when the ac input voltage is zero, a selected switch in the second arm is caused to be turned off. The position of the switches can be maintained as the ac input voltage transitions to a dc level, reaches the dc level, approaches zero, and again reaches zero. When the ac input voltage again reaches zero, the selected switch for the second arm is caused to be turned on.

Abstract: A multi-stage optically-triggered power system. At least one triggering stage is responsive to at least one optical trigger to directly create photogeneration of carriers in the at least one triggering stage and thus generate at least one output signal. At least one main power device stage coupled to the at least one triggering stage is responsive to the at least one generated output signal to activate the at least one main power device stage. The at least one triggering stage and the at least one main power device stage may be monolithically integrated.

Abstract: A power device is provided in an optically-triggered power system having a controller for generating electrical control signals and a converter for converting the electrical control signals to optical control signals. The power device includes a pair of terminals and a P-body region provided adjacent an N+ source region. An optical window is provided at least partially over the P-body region, and an N? drift region is provided between the two terminals. The P-body region causes current to conduct between the first and second terminal through the N? drift region when an optical control signal is incident on the optical window.

Abstract: Preferred embodiments of the invention include a thyristor core that is single biased by a source, such as a power source (or a portion thereof) that is being switched through the thyristors. An optically activated transistor that is preferably a minority carrier device is in series with the thyristor core. The thyristor core has an optically activated gate. The turn-off of the thyristor can be accelerated by the turn-on (conduction state) of a gate switch, which ensures a unity gain turn-off of the core thyristor.

Abstract: Method for operating an ac/ac converter circuit for a high-frequency-link converter. The ac/ac converter circuit converts an ac input voltage to an ac output voltage. When the ac input voltage is zero, each of a pair of switches for both first and second arms are caused to be on. Current flows through the first arm along a first direction and through the second arm along a second, opposite direction. Next, when the ac input voltage is zero, a selected switch in the second arm is caused to be turned off. The position of the switches can be maintained as the ac input voltage transitions to a dc level, reaches the dc level, approaches zero, and again reaches zero. When the ac input voltage again reaches zero, the selected switch for the second arm is caused to be turned on.