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	Nonlinear disturbance attenuation control for four-leg active power filter based on voltage source inverter
	Juming Chen ; Feng Liu ; Shengwei Mei
	2010-05-06 ; 2010-05-06
关键词	Practical Theoretical or Mathematical/ active filters H/sup infinity / control invertors mathematical analysis nonlinear control systems power grids power harmonic filters power supply quality power system CAD/ nonlinear disturbance attenuation control four-leg active power filter voltage source inverter power quality problem power grid state-space model H-infinity controller current tracking power-balancing law electrical circuits PSCAD platform/ B8390 Other power apparatus and electric machines B8120L Power supply quality and harmonics B8360 Power convertors and power supplies to apparatus B0220 Mathematical analysis C3340H Control of electric power systems C1340K Nonlinear control systems C1120 Mathematical analysis
中文摘要	Active power filter (APF) based on voltage source inverter (VSI) is one of the important measures for handling the power quality problem. Mathematically, the APF model in a power grid is a typical nonlinear one. The idea of passivity is a powerful tool to study the stabilization of such a nonlinear system. In this paper, a state-space model of the four-leg APF is derived, based on which a new H-infinity controller for current tracking is proposed from the passivity point of view. It can achieve not only asymptotic tracking, but also disturbance attenuation in the sense of L/sub 2/-gain. Subsequently, a sufficient condition to guarantee the boundedness and desired mean of the DC voltage is also given. This straightforward condition is consistent with the power-balancing law of electrical circuits. Simulations performed on PSCAD platform verify the validity of the new approach.
语种	英语 ; 英语
出版者	Editorial Department of Control Theory & Applications ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/10911]
专题	清华大学
推荐引用方式 GB/T 7714	Juming Chen,Feng Liu,Shengwei Mei. Nonlinear disturbance attenuation control for four-leg active power filter based on voltage source inverter[J],2010, 2010.
APA	Juming Chen,Feng Liu,&Shengwei Mei.(2010).Nonlinear disturbance attenuation control for four-leg active power filter based on voltage source inverter..
MLA	Juming Chen,et al."Nonlinear disturbance attenuation control for four-leg active power filter based on voltage source inverter".(2010).

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