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ACTIVE FILTER FOR SINGLE PHASE CHARGING USING A SWITCH-MODE CONVERTER
ACTIVE FILTER FOR SINGLE PHASE CHARGING USING A SWITCH-MODE CONVERTER
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机译:使用开关模式转换器的单相充电有源滤波器
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摘要
A converter for electrical connection to a three-phase electrical grid and a single-phase electrical grid is provided. The converter includes three DAB modules, each for converting a respective alternating current of a three-phase electrical grid. When connected to a single-phase electrical grid, the third DAB module is bi-directional such that it is operable to filter the power output of the first and second DAB modules. The converter further includes a filter capacitor in electrical communication with the third DAB module through a relay, wherein the relay is responsive to a controller to couple the third DAB module to the filter capacitor when the single-phase electrical grid is detected and to couple the third DAB module to a grid rectifier when the three-phase electrical grid is detected.
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