Full-duty-cycle current-sharing control method based on interleaved parallel Boost converter
A converter and duty cycle technology, which is applied in the direction of converting DC power input to DC power output, control/regulation systems, instruments, etc. Achieve the effect of expanding circuit stability and application range, reducing circuit loss and improving efficiency
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[0029] The present invention will be further described in detail through specific examples and in conjunction with the accompanying drawings. The present invention will be further described below in conjunction with the accompanying drawings.
[0030] Such as figure 1 , 2 , 3, 4, and 5, when the inductor current works in the continuous conduction mode, according to the switching states of the two switching tubes, the topology has four circuit states in total. The working modes are divided into 0.5≤D<1 and 0<D The case of <0.5.
[0031] When the converter works in the range of 0.5≤D<1, the circuit is divided into four stages:
[0032] (1) S 1 S 2 =11, such as figure 2 As shown in (D), the two-phase inductors are in the charging state, the two diodes are reversely cut off, there is no conduction loop at both ends of the intermediate capacitor, and the voltage remains unchanged;
[0033] (2)S 1 S 2 =01, such as figure 2 As shown in (C), the intermediate capacitor star...
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