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   OPTIMIZED PREDICTIVE CONTROL OF A THREE-LEVEL NPC PWM-VOLTAGE SOURCE RECTIFIER   [View] 
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 Author(s)   G. Brando, A. Dannier, A. Del Pizzo 
 Abstract   The paper deals with a predictive control technique applied to a NPC-three level Voltage Source Rectifier (VSR), with PWM modulation. By means of some unrestrictive simplificative hypotheses, simple formulas are proposed to work out converter optimized switching functions, which are able to obtain current values equal to the imposed ones at the end of every sampling interval. Redundancy of the three-level structure is used to maintain constant the total and the middle-point voltage of the dc-link. Both numerical and experimental investigations are carried out on significant case-studies with reference to heavy transient operations in order to verify the performance of the proposed predictive algorithm. 
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Filename:048
Filesize:325.9 KB
 Type   Members Only 
 Date   Last modified 2006-02-07 by System