Charger system
A charger and voltage technology, applied in the direction of collectors, electric vehicles, electrical components, etc., can solve the problems of low efficiency of two-stage charger equipment
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[0069] Such as figure 1 As shown, the embodiment of the present invention includes a high-frequency rectifier, a high-frequency DC transformer, and a controller. The high-frequency rectifier and the high-frequency DC transformer are connected through a DC bus. The controller generates the first to sixth driving signals and sends them to the high-frequency Rectifier, the controller generates the seventh and eighth drive signals and sends them to the high-frequency DC transformer.
[0070] Such as figure 2 As shown, the controller of this embodiment includes a sampling and conditioning module, a double closed-loop control module, a first signal generation module, and a second signal generation module;
[0071] Such as image 3 As shown, the dual closed-loop control module performs the following operations:
[0072] (2.1) Determine whether u 0 0 * , If yes, proceed to step (2.2), otherwise proceed to step (2.4), output voltage setting value u 0 * =110V, is the charge cut-off voltage o...
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