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System for common redundant bypass feed paths in uninterruptible power supplies
System for common redundant bypass feed paths in uninterruptible power supplies
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机译：不间断电源中常见冗余旁路馈电路径的系统
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摘要
An uninterruptible power supply (UPS) system includes an inverter feed path and a plurality of bypass feed paths configured to couple to an AC voltage source such that each bypass feed path includes a switch configured to couple the AC voltage source to the load when closed. The switch in each bypass feed path may be rated to conduct current that corresponds to an output of the inverter feed path. Each bypass feed path may be coupled in parallel with each other and the inverter feed path. The UPS system may also include at least one controller coupled to a respective inverter and to a respective rectifier in the inverter feed path and a plurality of controllers. Each controller may be coupled to a respective switch such that the at least one controller and the plurality of controllers communicate with each other via at least two communication buses.
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