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A converter apparatus for converting direct voltage into alternative voltage and conversely comprises a first VSC-converter (6) in cascade connection with at least one second VSC-converter (5). It has also a unit adapted to control the semiconductor devices of the converters and thereby the converte...

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Bibliographische Detailangaben
Hauptverfasser:	PETER LUNDBERG, BO BIJLENGA, FALAH AL-HOSINI, GUNNAR ASPLUND
Format:	Patent
Sprache:	swe
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 converter apparatus for converting direct voltage into alternative voltage and conversely comprises a first VSC-converter (6) in cascade connection with at least one second VSC-converter (5). It has also a unit adapted to control the semiconductor devices of the converters and thereby the converter apparatus to generate a phase voltage being constituted by the sum of the voltages generated in said first and second VSC-converters. The first VSC-converter has between the positive and negative pole (7, 8) thereof a direct voltage being substantially higher than the direct voltage of the second VSC-converter (5) between its positive and negative pole.