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: In an embodiment, a power converter includes: a plurality of power amplifier units, each having: a plurality of slice each with a power conversion module including an AC/DC/AC converter; a mains controller to control the plurality of slices; and a feedback conditioning system coupled to the mains controller; a plurality of input contactors and a plurality of output contactors via which each of the plurality of power amplifier units is to couple between a transformer and a load; and a master controller coupled to the plurality of power amplifier units.

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: In one embodiment, a power cell chamber for a drive system includes moveable and fixed portions. The moveable portion includes a rectifier stage to rectify an input signal received from a secondary winding of a transformer to provide a rectified signal and an inverter stage having a plurality of switching devices to receive a DC signal and output an AC signal. This moveable portion can be slidably adapted within a cabinet of the drive system. In turn, the fixed portion includes a DC link having at least one capacitor to receive the rectified signal and provide the DC signal to the inverter stage.

Abstract: In an example embodiment, a cooling system is a pumpless passive system, and includes a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, where the cold plate includes at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant, a first connection member coupled to the at least one heat pipe, a first conduit coupled to the first connection member, the first conduit extending vertically to enable at least the vapor phase coolant to travel through the first conduit, and a heat exchanger located above and coupled to the first conduit, where the heat exchanger is to transfer the vapor phase coolant to the liquid coolant.

Abstract: In one embodiment, a power cell chamber for a drive system includes moveable and fixed portions. The moveable portion includes a rectifier stage to rectify an input signal received from a secondary winding of a transformer to provide a rectified signal and an inverter stage having a plurality of switching devices to receive a DC signal and output an AC signal. This moveable portion can be slidably adapted within a cabinet of the drive system. In turn, the fixed portion includes a DC link having at least one capacitor to receive the rectified signal and provide the DC signal to the inverter stage.

Abstract: In one embodiment, a power cell chamber for a drive system includes moveable and fixed portions. The moveable portion includes a rectifier stage to rectify an input signal received from a secondary winding of a transformer to provide a rectified signal and an inverter stage having a plurality of switching devices to receive a DC signal and output an AC signal. This moveable portion can be slidably adapted within a cabinet of the drive system. In turn, the fixed portion includes a DC link having at least one capacitor to receive the rectified signal and provide the DC signal to the inverter stage.

Abstract: In an embodiment, a drive system includes a transformer enclosed in an enclosure including a heat exchanger to cool a fluid medium. In addition, the system includes a plurality of power cubes each including a rectifier, a DC-link, and an inverter. Each power cube may include a plurality of cold plates each coupled to a corresponding switching device of the inverter, an inlet port in communication with a first one of the plurality of cold plates and an outlet port in communication with a last one of the plurality of cold plates. In turn, a manifold assembly is to couple at least the power cubes to enable two phase cooling of the power cubes and the transformer via one or more heat exchangers.

Abstract: In an embodiment, a medium voltage drive system includes a transformer, multiple power cubes each coupled to the transformer, and a manifold assembly. Each power cube includes cold plates each coupled to a corresponding switching device of the cube, an inlet port in communication with a first one of the cold plates and an outlet port in communication with a last one of the cold plates. The manifold assembly can support an inlet conduit and an outlet conduit and further support first and second connection members to enable blind mating of each of the first connection members to the inlet port of one of the power cubes and each of the second connection members to the outlet port of one of the power cubes to enable two phase cooling of the plurality of power cubes.

Abstract: In an embodiment, a drive system includes a transformer enclosed in an enclosure including a heat exchanger to cool a fluid medium. In addition, the system includes a plurality of power cubes each including a rectifier, a DC-link, and an inverter. Each power cube may include a plurality of cold plates each coupled to a corresponding switching device of the inverter, an inlet port in communication with a first one of the plurality of cold plates and an outlet port in communication with a last one of the plurality of cold plates. In turn, a manifold assembly is to couple at least the power cubes to enable two phase cooling of the power cubes and the transformer via one or more heat exchangers.

Abstract: In an embodiment, a power converter includes: a plurality of power amplifier units, each having: a plurality of slice each with a power conversion module including an AC/DC/AC converter; a mains controller to control the plurality of slices; and a feedback conditioning system coupled to the mains controller; a plurality of input contactors and a plurality of output contactors via which each of the plurality of power amplifier units is to couple between a transformer and a load; and a master controller coupled to the plurality of power amplifier units.

Abstract: In an example embodiment, a cooling system is a pumpless passive system, and includes a cold plate configured to receive a flow of liquid coolant and to output a flow of vapor phase coolant, where the cold plate includes at least one heat pipe adapted therein to provide for transfer of the liquid coolant to the vapor phase coolant, a first connection member coupled to the at least one heat pipe, a first conduit coupled to the first connection member, the first conduit extending vertically to enable at least the vapor phase coolant to travel through the first conduit, and a heat exchanger located above and coupled to the first conduit, where the heat exchanger is to transfer the vapor phase coolant to the liquid coolant.

Abstract: In one embodiment, a power cell chamber for a drive system includes moveable and fixed portions. The moveable portion includes a rectifier stage to rectify an input signal received from a secondary winding of a transformer to provide a rectified signal and an inverter stage having a plurality of switching devices to receive a DC signal and output an AC signal. This moveable portion can be slidably adapted within a cabinet of the drive system. In turn, the fixed portion includes a DC link having at least one capacitor to receive the rectified signal and provide the DC signal to the inverter stage.