Abstract:
A controller for a power converter includes one or more controller modules operably linked to a transformer core of the power converter, to primary bridge switches of the power converter, and to secondary bridge switches of the power converter, wherein the one or more controller modules are configured to avoid saturation of the transformer core by modulating pulse widths of first electrical pulses sent to the primary bridge switches, based at least on measurements of DC components of current through primary and secondary windings adjacent the transformer core, and by modulating pulse widths of second electrical pulses sent to the secondary bridge switches, based at least on measurements of DC components of current through the primary and secondary windings.
Abstract:
A method and system for a control power supply system is provided. The control power supply system includes a first conductor configured to carry a direct current (DC) electrical current from a source to a load, a second conductor configured to carry the DC electrical current from the load to the source, and an AC power source coupled to at least one of the first and the second conductors, the AC power source configured to superimpose a selectable relatively high frequency AC component onto the DC electrical current to generate a composite power signal.
Abstract:
A method and system for a control power supply system is provided. The control power supply system includes a first conductor configured to carry a direct current (DC) electrical current from a source to a load, a second conductor configured to carry the DC electrical current from the load to the source, and an AC power source coupled to at least one of the first and the second conductors, the AC power source configured to superimpose a selectable relatively high frequency AC component onto the DC electrical current to generate a composite power signal.
Abstract:
A power converter module including a voltage source current controlled power converter for providing unidirectional current having at least four output voltage levels is provided. The voltage source current controlled power converter includes an input terminal and an output terminal, and a first conductive path and a second conductive path is coupled in parallel to each other between the input terminal and the output terminal. Each of the conductive paths comprises at least one diode and at least one switch coupled in series to the respective conductive path. The at least one diode in the first conductive path are coupled closer to the input terminal and the at least one diode in the second conductive path are coupled closer to the output terminal. The voltage source current controlled power converter further includes at least two energy storage elements coupled between the first conductive path and the second conductive path.
Abstract:
A power converter includes a plurality of switches that interconnect first and second input terminals of the power converter with first and second output terminals of the power converter. The switches are switched to convert power from the input terminals to the output terminals. During the switching, voltage spikes are mitigated by a first RLC branch connected from the first input terminal to the first output terminal and by a second RLC branch connected from the second input terminal to the second output terminal.
Abstract:
A power converter module including a voltage source current controlled power converter for providing unidirectional current having at least four output voltage levels is provided. The voltage source current controlled power converter includes an input terminal and an output terminal, and a first conductive path and a second conductive path is coupled in parallel to each other between the input terminal and the output terminal. Each of the conductive paths comprises at least one diode and at least one switch coupled in series to the respective conductive path. The at least one diode in the first conductive path are coupled closer to the input terminal and the at least one diode in the second conductive path are coupled closer to the output terminal. The voltage source current controlled power converter further includes at least two energy storage elements coupled between the first conductive path and the second conductive path.