Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter

doi:10.1109/ECCE.2015.7310012

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	Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter
	Ye，Tao 1; Dai，Ningyi1 ; Lam，Chi Seng 1,2; Wong，Man Chung1 ; Guerrero，Josep M.3
	2015-10-27
Source Publication	2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
Pages	2506-2513
Abstract	The capacitive-coupling grid-connected inverter (CGCI) is able to achieve reactive power compensation and active power transfer simultaneously with a low operational voltage. The CGCI is coupled to the point of common coupling (PCC) via a second-order LC circuit, which makes its modeling and current control characteristics differs from the conventional inductive-coupling grid-connected inverter. The direct current tracking with hysteresis pulse width modulation (PWM) was used in previous studies. However, this method suffers from widely varying switching frequency and large current ripples. A Quasi-proportional-resonant (Quasi-PR) current controller is designed for the CGCI in this paper. Its modeling and parameter selection are studied in detail. In contrast with proportional-integration (PI) current controller, the Quasi-PR controller reduces steady-state error. It also generates a voltage reference for applying the carrier-based PWM to improve output waveform quality. Simulation results are provided to verify the Quasi-PR controller and comparison with the PI controller is also done. A lab-scale prototype is built. Experimental results are given to show the validity of the proposed control method and its design.
Keyword	Capacitive-coupling grid connected inverter parameters design Proportional-integration controller Quasi-PR controller
DOI	10.1109/ECCE.2015.7310012
URL	View the original
Language	英語English
Scopus ID	2-s2.0-84963621751
Fulltext Access	View Full-Text via DOI View Full-Text via Scopus
Citation statistics
Document Type	Conference paper
Collection	DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation	1.Electrical and Computer Engineering Department,University of Macau,Macao 2.State Key Laboratory of Analog and Mixed-Signal VLSI,University of Macau,Macao 3.Department of Energy Technology,Aalborg University,Denmark
First Author Affilication	University of Macau
Recommended Citation GB/T 7714	Ye，Tao,Dai，Ningyi,Lam，Chi Seng,et al. Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter[C], 2015, 2506-2513.
APA	Ye，Tao., Dai，Ningyi., Lam，Chi Seng., Wong，Man Chung., & Guerrero，Josep M. (2015). Analysis, design and implementation of a quasi-proportional-resonant controller for multifunctional capacitive-coupling grid-connected inverter. 2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015, 2506-2513.

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