POWER CONVERSION DEVICE

In a control device (5) of a power conversion device (20), an AC control portion (5c) generates a first voltage command value (Vacref) representing an AC voltage component to be output from a plurality of chopper cells of each leg circuit (8). A DC control portion (5d) generates a second voltage com...

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Bibliographische Detailangaben
Hauptverfasser:	FUJII, Toshiyuki, JIMICHI, Takushi, UDA, Ryosuke
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:	In a control device (5) of a power conversion device (20), an AC control portion (5c) generates a first voltage command value (Vacref) representing an AC voltage component to be output from a plurality of chopper cells of each leg circuit (8). A DC control portion (5d) generates a second voltage command value (Vdcref) representing a DC voltage component to be output from the plurality of chopper cells of each leg circuit (8). A circulating current control portion (5b) generates a third voltage command value (Vccref) to be output from the plurality of chopper cells (1) of each leg circuit (8) in order to suppress a circulating current (Icc). The circulating current control portion (5b) performs a non-linear operation with the first, second, and third voltage command values. The plurality of chopper cells (1) of each leg circuit (8) operate in accordance with a result of the non-linear operation.