Soft switch resonance type DC-AC inverter circuit
An inverter circuit, resonant technology, applied in the field of DC-AC inverter circuit, can solve the problems of high current and voltage stress of circuit components, low conversion efficiency, low circuit reliability, etc.
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[0029] Refer to attached figure 2 , the soft-switching resonant DC-AC inverter circuit with bidirectional energy transmission capability provided by the embodiment of the present invention that the electronic switching tubes that undertake high-frequency power conversion work in a soft-switching mode, which includes:
[0030] One consists of four field effect electronic switch tubes (T 3 , T 4 , T 5 , T 6 ) composed of an inverter bridge, each field effect electronic switching tube has a parasitic diode and an edge resonant capacitor connected in parallel with it;
[0031] One consists of an inductor L r with two capacitors of equal value (C r1 、C r2 ) A resonant circuit formed by connecting the midpoints of the series branches formed in series;
[0032] One consists of two field effect electronic switch tubes (T 1 , T 2 ) connected in series, each field effect electronic switching tube has a parasitic diode and an edge resonant capacitor connected in parallel with i...
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