POWER CONVERSION SYSTEM

A power conversion system in which a converter 10 and an inverter 20 are coupled to each other via a DC coupling unit 30 that has an inductance component is provided. A switching frequency of each of the converter 10 and the inverter 20 is set to be the same and the switching frequency is set to be...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TOBA, Akio
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 power conversion system in which a converter 10 and an inverter 20 are coupled to each other via a DC coupling unit 30 that has an inductance component is provided. A switching frequency of each of the converter 10 and the inverter 20 is set to be the same and the switching frequency is set to be higher than a resonance frequency of a resonance circuit that includes a first capacitor Cc, a second capacitor Ci, and the DC coupling unit 30 such as a cable. A switching operation of at least one of the converter 10 and the inverter 20 is controlled such that phases of predetermined components of voltage ripples, at the first capacitor Cc and the second capacitor Ci, that are respectively generated by switching operations of the converter 10 and the inverter 20 are substantially matched.