NDLI: Uncoupled direct power control based on improved sector selection algorithm for three-level PWM rectifier

Content Provider	IEEE Xplore Digital Library
Author	Ting Lu Zhengming Zhao Liqiang Yuan Fanbo He Yingchao Zhang
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Chongqing Commun. Inst., Chongqing, China (Yingchao Zhang) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Ting Lu; Zhengming Zhao; Liqiang Yuan; Fanbo He)
Abstract	Direct power control (DPC) is a popular control strategy with superior dynamic performances for pulse width modulation (PWM) rectifiers. However, when the conventional DPC is applied to three-level PWM rectifiers, the coupling between controls of active power and reactive power depresses the steady state performances seriously. By improving the switching table of three-level DPC, the effect of power control coupling can be eliminated to some extent. But at the same time, switching frequency of the rectifier will be distinctly increased due to the enlarged optional vector range of the improved switching table, which is unacceptable to high power applications. In this paper, based on the analyses of power control coupling and its effect, an uncoupled three-level DPC with improved sector selection algorithm is proposed in order to eliminate the control coupling without increasing the switching frequency. Experimental results verify the feasibility and the superiority of the proposed strategy.
Starting Page	1364
Ending Page	1370
File Size	1086058
Page Count	7
File Format	PDF
ISBN	9781479903368
DOI	10.1109/ECCE.2013.6646864
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings Reactive power Power control Rectifiers Switches Pulse width modulation Vectors
Content Type	Text
Resource Type	Article

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