Adaptive power conversion system
First Claim
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1. A power conversion system comprising:
- a DC-DC power converter comprising at least two legs coupled in parallel, each leg comprising at least two sets of switches couplable at a midpoint to a DC power source, wherein each of the at least two sets of switches, comprises a plurality of switches electrically coupled in parallel to each other, and wherein each of the plurality of switches is enclosed in a blast shield to protect adjacent switches upon failure of one or more of the switches; and
a controller for controlling operating time of the plurality of switches of the at least two legs to provide a combined DC output power and, wherein upon failure of at least one of the switches in one of the at least two legs, the controller adjusts the operating time of at least the switches of remainder of the at least two legs to provide a reduced combined DC output power.
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Abstract
A power converter includes a plurality of switches electrically coupled to each other for converting input power to output power. Each of the switches is sufficiently isolated to protect adjacent switches upon failure of one or more switches. The power converter also includes a controller for reconfiguring operation of the switches to provide at least a partial operating mode upon a switch failure.
19 Citations
9 Claims
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1. A power conversion system comprising:
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a DC-DC power converter comprising at least two legs coupled in parallel, each leg comprising at least two sets of switches couplable at a midpoint to a DC power source, wherein each of the at least two sets of switches, comprises a plurality of switches electrically coupled in parallel to each other, and wherein each of the plurality of switches is enclosed in a blast shield to protect adjacent switches upon failure of one or more of the switches; and a controller for controlling operating time of the plurality of switches of the at least two legs to provide a combined DC output power and, wherein upon failure of at least one of the switches in one of the at least two legs, the controller adjusts the operating time of at least the switches of remainder of the at least two legs to provide a reduced combined DC output power. - View Dependent Claims (2, 3)
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4. A power conversion system comprising:
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a DC-AC power converter comprising at least two phase legs coupled in parallel, each leg comprising at least two sets of switches coupled in series, wherein each of the at least two sets of switches, comprises a plurality of switches electrically coupled in parallel to each other and, wherein each of the plurality of switches is enclosed in a blast shield to protect adjacent switches upon failure of one or more of the switches; and a controller for controlling a combined AC output power by adjusting AC output power generated from each phase leg upon failure of at least one of the switches in at least one of the two sets of switches. - View Dependent Claims (5, 6, 7, 8, 9)
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Specification