Volume 7 Number 12 (Dec. 2012)
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JCP 2012 Vol.7(12): 3075-3081 ISSN: 1796-203X
doi: 10.4304/jcp.7.12.3075-3081

Research of Electrified Railway Harmonic Suppression Based on H-infinity Control

Xiangzheng Xu
East China Jiao-tong University, Nanchang, China
Abstract—Because of using the nonlinear high-power, single-phase, multi-step full wave or bridge rectifier electric locomotive in electrified railway, the electrified railway traction power supply system has serious power quality problems, which affect safe operation of the electrified railway and impact the local power grid adversely. Aiming at the electrified railway power quality problems, a homogenization model of the inverter is established, and the robustness of active power filter is analyzed based on the Hinfinity control theory. Simulation results show that the harmonic control effect of electrified railway is good based on H-infinity control. Under various parameters perturbation, THD is changed relatively small, the system can well follow load changed and has strong robustness. So based on H-infinity control of active power filter in electrified railway harmonic suppression has wide application prospects.

Index Terms—Electrified railway, power quality, harmonic suppression, H-infinity control, active filter.

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Cite: Xiangzheng Xu, "Research of Electrified Railway Harmonic Suppression Based on H-infinity Control," Journal of Computers vol. 7, no. 12, pp. 3075-3081, 2012.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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