Uninterruptible power supply systems and methods using interconnected power routing units
AssigneeEaton Corporation
InventorsGeorge Arthur Navarro, Vincent Edward Wilder, Goran Mandic
Life of this patent
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Abstract
A system includes a plurality of power routing units. Each of the power routing units includes a first AC port, a second AC port, and a static switch configured to couple and decouple the first AC port and the second AC port. Each of the power routing units further includes a DC port and a bidirectional converter circuit coupled between the second AC port and the DC port. The DC ports of the power routing units are coupled in common to a DC bus and the system further includes a control circuit configured to control the power routing units to provide power transfer between at least two of the power routing units via the DC bus.
Claims21
A system comprising:
- a plurality of power routing units, each comprising:
- a first AC port;
- a second AC port;
- a static switch configured to couple and decouple the first AC port and the second AC port;
- a DC port;
- and
- a bidirectional converter circuit coupled between the second AC port and the DC port, wherein the DC ports of the power routing units are coupled in common to a DC bus;
- and
- a control circuit configured to control the power routing units to provide power transfer between at least two of the power routing units via the DC bus.
A power routing unit comprising:
- a first AC port configured to be coupled to an external AC source;
- a second AC port configured to be coupled to an external load;
- a static switch configured to couple and decouple the first AC port and the second AC port;
- a DC port configured to be coupled to an external DC bus;
- a bidirectional converter circuit coupled between the second AC port and the DC port;
- and
- a control circuit configured to control the static switch and the converter circuit to selectively provide a first mode wherein the converter regulates a voltage on the external DC bus and a second mode wherein the converter provides a regulated current to the external DC bus.
A method comprising:
- providing a plurality of power routing units, each comprising:
- a first AC port;
- a second AC port;
- a static switch configured to couple and decouple the first AC port and the second AC port;
- a DC port;
- and
- a bidirectional converter circuit coupled between the second AC port and the DC port;
- and
- coupling the DC ports of the power routing units in common to a DC bus;
- and
- controlling the power routing units to provide power transfer between at least two of the power routing units via the DC bus.
Dependencies are inferred from the claim text.