MICRO INVERTER

Provided in the present application is a micro inverter. In a main circuit of the micro inverter, after N conversion branches are cascaded with each other, the same transformer is shared to connect a secondary-side bridge arm, thereby avoiding the need for N transformers in the prior art; moreover,...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, Qiaodi, XU, Jun, ZHUANG, Jiacai
Format:	Patent
Sprache:	eng ; fre ; ger
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	Provided in the present application is a micro inverter. In a main circuit of the micro inverter, after N conversion branches are cascaded with each other, the same transformer is shared to connect a secondary-side bridge arm, thereby avoiding the need for N transformers in the prior art; moreover, by means of cascading, the N conversion branches can realize decoupling in terms of control, thereby avoiding the need to additionally equip each branch with a device for decoupling, and thus reducing the volume and costs. In addition, each direct-current source or load can realize alternating-current grid connection only by means of one-stage conversion, and therefore, the conversion efficiency is improved compared with a two-stage conversion structure in the prior art.