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Balogh, Attila
Varjasi, István
2016-09-04T21:32:14Z
2016-09-04T21:32:14Z
2009
http://hdl.handle.net/10890/3471
Nowadays there are several grid connected converters in the grid system. These grid connected converters are generally the converters of renewable energy sources, industrial four quadrant drives and other converters with DC link. These converters are connected to the grid typically through a three phase IGBT bridge. The standards prescribe the permissible maximal harmonic emission and the maximal reactive current for the grid connected converters. For a converter working at nominal power these two prescriptions together mean almost unity power factor. The harmonic emission could be easily limited with high switching frequency and/or with large harmonic filters. Further financial viewpoints are the efficiency, the small size and weight. Comparing to traditional control these requirements can be simultaneously satisfied much better with the 3SC (three state control) method. At 3SC we utilize all the three allowed state of one arm of the IGBT bridge, i.e. upper part conducting, lower part conducting, none of the m conducting.
en
Budapest University of Technology and Economics
3SC Control for high efficiency grid connected photovoltaic converters
folyóiratcikk
Postprint
Open access
2644522
80053176876
0324-6000
1587-3781
3-4
53
Periodica Polytechnica - Electrical Engineering
PV converter
three state control
discontinuous current
control method
high efficiency
Tudományos cikk
91
97


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