High-gain interleaving boost converter
A boost converter, high-gain technology, applied in the direction of conversion equipment without intermediate conversion to AC, can solve the problems of large voltage stress of switch tubes and diodes, too many switching devices, and reduced energy conversion efficiency, and achieve low EMI , The circuit topology is simple, and the effect of reducing voltage stress
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[0022] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0023] Such as figure 2 As shown, an interleaved parallel boost converter with high gain capability includes a low-voltage input power supply and a DC / DC boost circuit; the high gain interleaved parallel DC-DC converter includes two inductors L 1 , L 2 , Two power switches S 1 , S 2 , An output diode D 0 And 3 voltage doubling units (consisting of 3 diodes and 3 capacitors);
[0024] Such as image 3 As shown, the voltage doubler unit is composed of a diode and a capacitor to form a unit with three ports. The first port is connected to one end of the capacitor, the node between the other end of the capacitor and the cathode of the diode serves as the second port, and the anode end of the diode serves as the third port .
[0025] The first inductance L 1 The input terminal is connected to the positive terminal of the input power supply, and the output ter...
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