Three-phase inverter with actively switched capacitors in LC line filter

A direct current, DC, to alternating current, AC, inverter (100) for inverting a direct current of a power generator (10) to a three-phase alternating current of a three-phase grid (20) is provided. The DC to AC inverter (100) comprises a primary side (110) with a first DC input line (112A) and a se...

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Bibliographische Detailangaben
Hauptverfasser:	HO, CARL NGAI-MAN, HUUSARI, JUHA, BIANDA, ENEA, LI, RIVER-TINHO
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:	A direct current, DC, to alternating current, AC, inverter (100) for inverting a direct current of a power generator (10) to a three-phase alternating current of a three-phase grid (20) is provided. The DC to AC inverter (100) comprises a primary side (110) with a first DC input line (112A) and a second DC input line (112B), a secondary side (120) with a first AC output phase (122A), a second AC output phase (122B), and a third AC output phase (122C), and a filter component (104) for connecting the secondary side (120) to the primary side (110) via a return line (150). The filter component comprises a first capacitive element (132A) and a first switching element (142A) connected to the return line. The first AC output phase (122A) is connected to the first capacitive element (132A) and the first switching element (142A).