NDLI: Neutral-point potential balancing control of three-level ANPC converters based on zero-sequence voltage injection using PS-PWM

Content Provider	IEEE Xplore Digital Library
Author	Kui Wang Lie Xu Zedong Zheng Yongdong Li
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Kui Wang; Lie Xu; Zedong Zheng; Yongdong Li)
Abstract	This paper presents a neutral-point potential balancing method for the three-level active neutral-point clamped (3L-ANPC) converter using phase-shifted pulse-width modulation (PS-PWM). With PS-PWM, all the switches are operated at the same constant switching frequency and the even distribution of switching losses can be achieved easily. The relationship between the neutral-point current and zero-sequence voltage is investigated and an optimum zero-sequence voltage can be calculated to regulate the neutral-point potential. Steady and dynamic experimental results are presented to verify the validity of this method.
Starting Page	1688
Ending Page	1692
File Size	972062
Page Count	5
File Format	PDF
e-ISBN	9781479914470
DOI	10.1109/ICEMS.2013.6713337
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-26
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitors Electric potential Switches Pulse width modulation Voltage control Topology
Content Type	Text
Resource Type	Article

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Neutral-point potential balancing control of three-level ANPC converters based on zero-sequence voltage injection using PS-PWM