Dual-input high-reliability capacitor current consistent type Zeta DC-DC converter
A capacitive current and reliability technology, which is applied in the direction of high-efficiency power electronic conversion, conversion of DC power input to DC power output, and adjustment of electrical variables, can solve the problems of low reliability of high-gain DC-DC converters, and achieve input and output high gain effect
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[0055] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0056] Such as image 3 Shown is the circuit topology diagram when the number of expansion units of the present invention m=1, n=1:
[0057] A dual-input high-reliability capacitive current consistent type Zeta DC-DC converter, the converter includes two DC input sources, a basic Zeta converter, an input unit, m positive expansion units, n negative Voltage extension unit; where:
[0058] A basic Zeta converter consists of two inductors L 1 , L 2 , two capacitors C 1 、C 2 , a power switch S 1 , a diode D 1 ; Its connection form is as follows: power switch S 1 The drain is connected to the DC input source u in1 positive pole of the power switch S 1 The sources are respectively connected to the inductor L 1 One end of and the capacitor C 1 One end of the capacitor C 1 The other end of the inductor L is connected to the 2 one end of the diode D 1 c...
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