NDLI: A novel control approach for LCL-based shunt active power filter with high dynamic and steady-state performance

Content Provider	IEEE Xplore Digital Library
Author	Zhiling Qiu Jie Kong Guozhu Chen
Copyright Year	2008
Description	Author affiliation: Coll. of Electr. Eng., Zhejiang Univ., Zhejiang (Zhiling Qiu; Jie Kong; Guozhu Chen)
Abstract	Shunt active power filter (APF) is suitable to compensate current-type harmonics generated by nonlinear load, but high compensation precision is difficult to be obtained due to very high slew rate of harmonic current, output impendence of voltage source converter (VSC) and control loop phase lag. LCL-filter reserving sufficient attenuation ration for switching ripple with small LC parameters is suitable to be used as output filter to get high slew rate of compensation current. However, LCL-filter, as a three order one, is difficult to be stable. This paper proposes a simple control method with one beat delay introduced to feedback current; meanwhile, repetitive control algorithm, as outer control loop, is adopted to eliminate steady-state error of the whole control system. Based on this double-loop control scheme, very high quality steady-state grid current waveform and fast dynamic response can be obtained. Simulation results validate the feasibility of the method proposed by this paper.
Starting Page	3306
Ending Page	3310
File Size	419231
Page Count	5
File Format	PDF
ISBN	9781424416677
ISSN	02759306
DOI	10.1109/PESC.2008.4592464
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-15
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Active filters Power harmonic filters Steady-state Stability analysis Harmonic analysis Delay Mathematical model Repetitive control Shunt active power filter High quality grid current waveform LCL- filter stabilize
Content Type	Text
Resource Type	Article

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