Abstract: Power management apparatuses and systems utilizing synchronous common coupling. A power management apparatus may include a plurality of ports and a plurality of electrically isolated stacks connected through a synchronous common coupling. Each electrically isolated stack may include a plurality of cascaded stages and may be connected to a source or load through one of the plurality of ports. The synchronous common coupling connects only power between each of the plurality of electrically isolated stacks and is configured to maintain electrical isolation for each of the plurality of stages in the plurality of electrically isolated stacks.

Abstract: Apparatuses, systems, and methods for managing power utilizing synchronous common coupling. An apparatus comprises a synchronous common coupling, a plurality of ports, and a plurality of stacks connected through the synchronous common coupling. Each stack comprises at least one stage, with each stage comprising at least one source/load bridge, at least one flux bridge, and a DC bus. The at least one source/load bridge of one stage of each stack is connected to a source or load through one of the plurality of ports, the at least one flux bridge of each stage is connected to an electrically isolated winding in the synchronous common coupling, and the at least one flux bridge of each stage is connected to the at least one source/load bridge of the stage through the DC bus. The synchronous common coupling is configured to exchange power between each of the plurality of stacks.

Abstract: The present disclosure relates to power management apparatuses, systems, and methods utilizing a blocker stage. A power management apparatus may include a blocking string including a plurality of blocker stages connected in series, and each blocker stage may include at least one switch and at least one energy absorbing component. The apparatus may include a voltage/current monitor configured to monitor a power flow and generate current feedback and voltage feedback. The apparatus may further include a central controller coupled to the voltage/current monitor and configured to switch the energy absorbing components into or out of the power flow by synchronously turning the at least one switch of each of the plurality of blocker stages on or off based on the current feedback and the voltage feedback, where the plurality of blocker stages effectively act as a single blocking component.

Abstract: Apparatuses, systems, and methods for managing power utilizing synchronous common coupling. An apparatus comprises a synchronous common coupling, a plurality of ports, and a plurality of stacks connected through the synchronous common coupling. Each stack comprises at least one stage, with each stage comprising at least one source/load bridge, at least one flux bridge, and a DC bus. The at least one source/load bridge of one stage of each stack is connected to a source or load through one of the plurality of ports, the at least one flux bridge of each stage is connected to an electrically isolated winding in the synchronous common coupling, and the at least one flux bridge of each stage is connected to the at least one source/load bridge of the stage through the DC bus. The synchronous common coupling is configured to exchange power between each of the plurality of stacks.

Abstract: The present disclosure relates to power management systems utilizing a high-frequency low voltage pre-charge. A power management system may comprise a low voltage power source, a power supply assembly connected to the low voltage power source, and a power module comprising a plurality of arrays. Each array may comprise a plurality of electrically isolated stacks connected through a synchronous common coupling. Each electrically isolated stack may comprise a plurality of stages, a multi-winding secondary, a pre-charge circuit connected to at least one of the plurality of stages, and a plurality of multi-winding isolated power supplies. Each multi-winding isolated power supply may be connected to one of the plurality of stages. The power supply assembly may be configured to supply charging current from the low voltage power source to at least one of the plurality of electrically isolated stacks.

Abstract: The present disclosure relates to power management apparatuses and systems utilizing synchronous common coupling. A power management apparatus may comprise a plurality of ports, and a plurality of electrically isolated stacks connected through a synchronous common coupling. Each electrically isolated stack may include a plurality of cascaded stages and connected to a source or load through one of the plurality of ports. The synchronous common coupling connects may only power between each of the plurality of electrically isolated stacks and is configured to maintain electrical isolation for each of the plurality of stages in the plurality of electrically isolated stacks.

Abstract: The present disclosure relates to power management apparatuses and systems utilizing synchronous common coupling. A power management apparatus may include a synchronous common coupling, a plurality of ports, and a plurality of electrically isolated stacks connected through the synchronous common coupling. Each electrically isolated stack may include at least one stage, each stage including a source/load bridge, a flux bridge, and a direct current (DC) bus. The source/load bridge may be connected to a source or load through one of the plurality of ports, the flux bridge may be connected to an electrically isolated winding in the synchronous common coupling, and the flux bridge may be connected to the source/load bridge through the DC bus.

Abstract: The present disclosure relates to power management systems utilizing a high-frequency low voltage pre-charge. A power management system may comprise a low voltage power source, a power supply assembly connected to the low voltage power source, and a power module comprising a plurality of arrays. Each array may comprise a plurality of electrically isolated stacks connected through a synchronous common coupling. Each electrically isolated stack may comprise a plurality of stages, a multi-winding secondary, a pre-charge circuit connected to at least one of the plurality of stages, and a plurality of multi-winding isolated power supplies. Each multi-winding isolated power supply may be connected to one of the plurality of stages. The power supply assembly may be configured to supply charging current from the low voltage power source to at least one of the plurality of electrically isolated stacks.

Abstract: The present disclosure relates to power management apparatuses and systems utilizing synchronous common coupling. A power management apparatus may comprise a synchronous common coupling, a plurality of ports, and a plurality of electrically isolated stacks connected through the synchronous common coupling. Each electrically isolated stack may comprise at least one stage, each stage comprising a source/load bridge, a flux bridge, and a direct current (DC) bus. The source/load bridge may be connected to a source or load through one of the plurality of ports, the flux bridge may be connected to an electrically isolated winding in the synchronous common coupling, and the flux bridge may be connected to the source/load bridge through the DC bus.

Abstract: A directional fault sectionalizing system that utilizes one phase voltage measurement and three phase current measurements to determine the directionality of high impedance faults on a three phase electric power circuit. This eliminates the need for two of the three voltage measuring devices at each monitoring station conventionally required to determine fault directionality, which makes it economical to install at a greater number of distribution tap points. The system is particularly useful for commonly used three-way tap points along distribution lines where three phase voltage measurement is not readily available. The system is capable of identifying faults under challenging circumstances, such faults occurring on unbalanced three phase power lines and faults occurring on tapped line segments where the currents are relatively small compared to the currents flowing in the main line segments.

Abstract: A communication and control system for a high voltage power line using an energy harvesting power supply to avoid batteries in the communication components maintained at line voltage. The energy harvesting power supply utilizes scavenged backscatter power received from a transceiver maintained at ground potential or a power supply with a super-saturating magnetic flux core, such as a mu-metal core, to harvest electromagnetic field energy from the power line. The communication equipment maintained at line voltage communicates information to the transceiver maintained at ground potential by modulating backscatter energy reflected from the beam transmitted by the ground level transceiver to minimize the power requirement of the communication equipment maintained at line voltage. Response equipment includes capacitors, voltage regulator, voltage sag supporter, circuit interrupter, remote communication equipment, reporting and analysis system.

Abstract: A directional fault sectionalizing system that utilizes one phase voltage measurement and three phase current measurements to determine the directionality of high impedance faults on a three phase electric power circuit. This eliminates the need for two of the three voltage measuring devices at each monitoring station conventionally required to determine fault directionality, which makes it economical to install at a greater number of distribution tap points. The system is particularly useful for commonly used three-way tap points along distribution lines where three phase voltage measurement is not readily available. The system is capable of identifying faults under challenging circumstances, such faults occurring on unbalanced three phase power lines and faults occurring on tapped line segments where the currents are relatively small compared to the currents flowing in the main line segments.

Abstract: A communication and control system for a high voltage power line using an energy harvesting power supply to avoid batteries in the communication components maintained at line voltage. The energy harvesting power supply utilizes scavenged backscatter power received from a transceiver maintained at ground potential or a power supply with a super-saturating magnetic flux core, such as a mu-metal core, to harvest electromagnetic field energy from the power line. The communication equipment maintained at line voltage communicates information to the transceiver maintained at ground potential by modulating backscatter energy reflected from the beam transmitted by the ground level transceiver to minimize the power requirement of the communication equipment maintained at line voltage. Response equipment includes capacitors, voltage regulator, voltage sag supporter, circuit interrupter, remote communication equipment, reporting and analysis system.