Control device and method for power factor correction converter
A power factor correction and control device technology, which is applied in the direction of output power conversion devices, high-efficiency power electronic conversion, electrical components, etc., can solve the power switch tube turn-on loss, power switch tube drive loss, difficult to meet high efficiency requirements, etc. question
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[0073] Herein, the detailed content and technical description of the present invention will be further described with a preferred embodiment, but it should not be construed as a limitation to the implementation of the present invention.
[0074] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a control device for a power factor correction converter of the present invention. Such as figure 1 As shown, the power factor correction converter 1 includes a rectifier bridge BD, an input filter capacitor C in, boost inductor L, power switch tube Q, diode D and output filter capacitor C bulk , the power factor correction converter 1 obtains the AC input voltage V from the AC input terminal in , the DC output voltage V is converted by the power factor correction converter bulk . The control device 2 includes a PID control unit 21, an off-time adjustment unit 22, an on-time adjustment unit 23, and a control unit 24; the PID control unit 21 outputs a cont...
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