Active filter for single phase charging using a switch-mode converter
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United States of America
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Jul 2, 2024
Grant Date -
N/A
app pub date -
Oct 23, 2019
filing date -
Oct 23, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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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