Parallel multi input coupled inductor buck and boost converter
A buck-boost converter, coupled inductance technology, applied in the direction of conversion equipment without intermediate conversion to AC, can solve the problem that multiple input sources and load power conversion cannot be realized at the same time, and it is not suitable for low-voltage and high-current applications. Problems such as intermittent current at the output end, to achieve the effect of reducing the number, improving the dynamic performance, and increasing the control strategy
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[0024] as attached figure 1 As shown, the converter consists of N step-up circuits, a step-down circuit (20) and a load (R o ), N is a natural number greater than 1, wherein: each of the N booster circuits is composed of an input source, a filter inductor, a switch tube, and a diode, and the positive pole of the input source is connected to the filter inductor ① end, the ② end of the filter inductor is respectively connected to the drain of the switch tube and the anode of the diode, the source of the switch tube is connected to the negative pole of the input source, the cathode of the diode constitutes the positive output end of the boost circuit, and the input source The negative pole constitutes the negative output terminal of the boost circuit; the output terminals of the N boost circuits are connected in parallel with each other, and the N boost circuits share a filter capacitor (C m ), filter capacitor (C m ) are respectively connected to the positive and negative outp...
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