Full-wave active rectification LLC resonant converter and control policy thereof
A resonant converter and control strategy technology, applied in the direction of converting DC power input to DC power output, control/regulation systems, instruments, etc., can solve problems such as bias magnetism, complex transformer technology, and reduced core utilization.
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[0055] The technical solution of the present invention will be described in detail in conjunction with the accompanying drawings.
[0056] as attached Figure 4 Shown, described a kind of full-wave active rectification type LLC resonant converter is by input source (U in ), input bus capacitance (C in ), primary switching network (10), resonant inductor (L r ), resonant capacitor (C r ), transformer (T), n (≥ 1) secondary full-wave active rectification switch network (20, k (k = 1 ~ n)), m (≥ 0) secondary full-wave rectification switch network (30 , k (k=n+1~n+m)), output filter capacitor (C o ) and the output load (R o ) form, where the transformer (T k , k=1~n+m) The value of the primary magnetizing inductance is L m ; The input two ends of the primary side switch network (10) are respectively connected with the input source (U in ) are connected to both ends, the output terminal a of the primary switching network (10) is connected to the resonant inductor (L r ) co...
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