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   Design and Experimental Investigation of Space Vector Modulation for Three-leg Four-Wire Voltage Source Inverters   [View] 
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 Author(s)   Egon ORTJOHANN, Alaa MOHD, Danny MORTON 
 Abstract   This paper introduces various control functions for three-leg four-wire inverters (These also apply to four leg inverters). These functions are capable of feeding loads even under extreme unbalanced load conditions. As a part of this control strategy the paper is presenting a new approach of SVM for three-leg four-wire voltage-source inverters. The steps for the SVM implementation are identified. The switching vectors, 3-D-SVM diagrams and the boundaryplanes equations, as well as the matrices for the duty cycles and symmetric switching sequences are discussed in detail. Experimental results including different loads are presented to validate the proposed novel space vector modulation control strategy for three-leg four-wire voltage source inverters. These results show that the proposed SVM control schemes can carry out the feeding requirements of unbalanced loads in a very efficient way. 
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Filename:0120-epe2009-full-14241503.pdf
Filesize:1.478 MB
 Type   Members Only 
 Date   Last modified 2010-01-27 by System