NDLI: A DC voltage control method of cascaded H-bridge inverter for power quality conditioner

Content Provider	IEEE Xplore Digital Library
Author	Yanhui Qiu Yingjie He Jinjun Liu Fang Zhuo
Copyright Year	2010
Description	Author affiliation: School of Electrical Engineering, Xi'an Jiaotong University, China (Yanhui Qiu; Yingjie He; Jinjun Liu; Fang Zhuo)
Abstract	In recent years, multilevel technology has become an effective and practical solution for moderate and high voltage application field. In all multilevel technology, cascade multilevel inverters have become the major circuits used in power quality conditioners. Evidently,the voltage balancing problem of DC capacitors of cascade inverters is a key problem to the power quality conditioners. This paper explores voltage balancing control fundament. A model for charge and discharge processes of DC capacitor is established based on the point of output pulses of H-bridge inverters. Furthermore, based on the above discussing, a novel algorithm is proposed to balance the dc capacitor voltages. The simulation and experiment results illustrate that the voltage of each capacitor is controlled and balanced while working.
Starting Page	2879
Ending Page	2884
File Size	631519
Page Count	6
File Format	PDF
ISBN	9781424463909
e-ISBN	9781424463923
DOI	10.1109/ISIE.2010.5637160
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage control Capacitors Inverters Switches Power quality Equations power quality conditioner Cascade H-bridge inverter DC capacitor voltage voltage balancing control
Content Type	Text
Resource Type	Article

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