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UNITERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS SUPPORTING HIGH-EFFICIENCY BYPASSED OPERATION WITH A VARIABLY AVAILABLE POWER SOURCE
UNITERRUPTIBLE POWER SUPPLY SYSTEMS AND METHODS SUPPORTING HIGH-EFFICIENCY BYPASSED OPERATION WITH A VARIABLY AVAILABLE POWER SOURCE
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机译:具有可变可用电源的高效不间断运行的不间断电源系统和方法
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摘要
An uninterruptible power supply (UPS) system includes an AC input configured to be coupled to an AC power source (10), an AC output configured to be coupled to a load (20), a power conversion circuit (210) comprising a first converter circuit (212) configured to receive power from a variably available power source (30), a second converter circuit (214) coupled to the AC output, a DC link coupling the first and second converter circuits, and a switching circuit (230), e.g., a bypass circuit, configured to selectively couple and decouple the AC input and the AC output. The UPS system further includes a control circuit (240) operatively associated with the power conversion circuit and the switching circuit and configured to cause concurrent transfer of power to a load at the AC output from the AC power source and the variably available power source via the switching circuit and the power conversion circuit, respectively.
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