Bidirectional DC-DC converter circuit of charger

The invention discloses a bidirectional DC-DC converter circuit of a charger. The bidirectional DC-DC converter circuit comprises an input EMC processing circuit, an input anti-reverse-connection and slow-start circuit, an input filtering energy storage circuit, a CLLC resonance isolation type bidir...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN TIENIAN, LIU JIAWEI, XI HE, WANG CHUANG, DU ZHENHUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a bidirectional DC-DC converter circuit of a charger. The bidirectional DC-DC converter circuit comprises an input EMC processing circuit, an input anti-reverse-connection and slow-start circuit, an input filtering energy storage circuit, a CLLC resonance isolation type bidirectional DC-DC conversion circuit and an output filtering energy storage circuit. The input EMC processing circuit adopts a two-stage filtering structure and is used for receiving a direct current signal output by the front-stage PFC circuit and filtering an interference signal in the direct current signal, and then surge current and impact signals of an input end are suppressed through the input anti-reverse connection and slow start circuit; and the direct current signal is input into a CLLC resonance isolation type bidirectional DC-DC conversion circuit by the input filtering energy storage circuit, and then is transmitted into an output filtering energy storage circuit. According to the invention, symmetrical b