MULTI-CELL POWER CONVERSION METHOD WITH FAILURE DETECTION AND MULTI-CELL POWER CONVERTER
First Claim
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1. A method, comprising:
- detecting a faulty converter cell in a power converter comprising a plurality of first converter cells, a plurality of second converter cells, and a plurality of DC link capacitors, wherein each DC link capacitor links one of the plurality of first converter cells and one of the plurality of second converter cells; and
deactivating the faulty converter cell while maintaining a power conversion operation of the power converter.
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Abstract
A power converter includes a plurality of first converter cells, a plurality of second converter cells, and a plurality of DC link capacitors. Each DC link capacitor links one of the plurality of first converter cells and one of the plurality of second converter cells. A failure management unit is configured to detect a faulty converter cell, and to deactivate the faulty converter cell while maintaining a power conversion operation of the power converter.
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Citations
22 Claims
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1. A method, comprising:
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detecting a faulty converter cell in a power converter comprising a plurality of first converter cells, a plurality of second converter cells, and a plurality of DC link capacitors, wherein each DC link capacitor links one of the plurality of first converter cells and one of the plurality of second converter cells; and deactivating the faulty converter cell while maintaining a power conversion operation of the power converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A power converter, comprising:
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a plurality of first converter cells, a plurality of second converter cells, and a plurality of DC link capacitors, wherein each DC link capacitor links one of the plurality of first converter cells and one of the plurality of second converter cells; and a failure management unit configured to detect a faulty converter cell, and to deactivate the faulty converter cell while maintaining a power conversion operation of the power converter. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification