CONTROL OF AN ICBT CONVERTER

The invention relates to a voltage source converter as well as a method and computer program product for controlling the converter. The converter (10) comprises at least one phase leg connected between a first DC terminal (DC1) having a first voltage and a second DC terminal (DC2) having a second vo...

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Bibliographische Detailangaben
Hauptverfasser:	LUVISOTTO, Michele, OKAZAKI, Yuhei, CHRISTE, Alexandre
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:	The invention relates to a voltage source converter as well as a method and computer program product for controlling the converter. The converter (10) comprises at least one phase leg connected between a first DC terminal (DC1) having a first voltage and a second DC terminal (DC2) having a second voltage, the phase leg comprising an upper arm (ua) and a lower arm (la) with cells (Cua1, Cua2, Cua3, Cua4, Cla1, Cla2, Cla3, Cla4), where a junction (j) between the arms is connected to a corresponding AC terminal (ACi). The converter also comprises a control unit (12) configured to control the cells (Cua1, Cua2, Cua3, Cua4, Cla1, Cla2, Cla3, Cla4) to output a train of pulses of trapezoidal shape where the generation of a first control signal for a first cell (CUa1) and used to initiate a transition between two levels of a pulse coincides with the decision that a transition is to be made.