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, and the controller generates the first to sixth driving signals and sends them to the high-frequency The rectifier and the controller generate seventh and eighth driving signals and send them to the high-frequency DC transformer.
[0070] Such as figure 2 As shown, the controller of this embodiment includes a sampling 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 double closed-loop control module performs the following operations:
[0072] (2.1) Judging whether u 0 0 * , if yes, go to step (2.2), otherwise go to step (2.4), output voltage set value u 0 * =110V, which is the charging cut-off v...
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