Converters for high power applications
First Claim
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1. A power system, comprising:
- a multilevel power converter, comprising six three-phase converter modules, each module comprising an AC port having at least three terminal nodes and a DC port having at least two terminal nodes, wherein each module is configured to consume one-sixth of the converter'"'"'s output power and wherein each module is coupled to a different set of two of the six modules by way of first and second terminal nodes, respectively, of the at least three terminal nodes of the AC port.
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Abstract
Multilevel high power converters, referred to as hexagram converters, which preferably include a combination of six three-phase converter modules, are provided herein. The three-phase converter modules are interconnected and can be configured as any three-phase converter for any given application. One or more inductors can be used in the interconnections between the six modules to suppress potential circulating currents. Numerous applications exist in which the described converters can be implemented.
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22 Claims
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1. A power system, comprising:
a multilevel power converter, comprising six three-phase converter modules, each module comprising an AC port having at least three terminal nodes and a DC port having at least two terminal nodes, wherein each module is configured to consume one-sixth of the converter'"'"'s output power and wherein each module is coupled to a different set of two of the six modules by way of first and second terminal nodes, respectively, of the at least three terminal nodes of the AC port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22)
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16. A power system, comprising:
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a multilevel power converter, comprising six three-phase converter modules, each module comprising an AC port having at least three terminal nodes and a DC port having at least two terminal nodes, wherein each module is coupled to two different modules by way of first and second terminal nodes, respectively, of the at least three terminal nodes of the AC port, a first interconnection comprising a first inductor and being coupled with a first AC terminal of a first module and a first AC terminal of a second module; a second interconnection comprising a second inductor and being coupled with a second AC terminal of the first module and a first AC terminal of a sixth module; a third interconnection comprising a third inductor and being coupled with a second AC terminal of the second module and a first AC terminal of a third module; a fourth interconnection comprising a fourth inductor and being coupled with a second AC terminal of the third module and a first AC terminal of a fourth module; a fifth interconnection comprising a fifth inductor and being coupled with a second AC terminal of the fourth module and a first AC terminal of a fifth module; and a sixth interconnection comprising a sixth inductor and being coupled with a second AC terminal of the fifth module and a second AC terminal of the sixth module. - View Dependent Claims (17)
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Specification