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Analysis, Design and Implementation of a Quasi-Proportional-Resonant Controller for Multifunctional Capacitive-Coupling Grid-Connected Inverter
Tao Ye1; NingYi Dai1; Chi-Seng Lam1,2; Man-Chung Wong1; Josep M. Guerrero3
2015-10-27
Conference NameThe Seventh Annual IEEE Energy Conversion Congress and Exposition (ECCE 2015)
Source Publication2015 IEEE Energy Conversion Congress and Exposition, ECCE 2015
Pages2506-2513
Conference DateSeptember 20-24, 2015
Conference PlaceMontreal, Canada
CountryCanada
Author of SourceIEEE; IEEE Power Elect Soc; IEEE Ind Applicat Soc
Publication Place445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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.

KeywordCapacitive-coupling Grid Connected Inverter Parameters Design Proportional-integration Controller Quasi-pr Controller
DOIhttps://doi.org/10.1109/ECCE.2015.7310012
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Electrical & Electronic
WOS IDWOS:000378882902118
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
INSTITUTE OF MICROELECTRONICS
Affiliation1.Electrical and Computer Engineering Department, University of Macau, Macao, P.R. China
2.State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China
3.Department of Energy Technology, Aalborg University, Denmark
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Tao Ye,NingYi Dai,Chi-Seng Lam,et al. Analysis, Design and Implementation of a Quasi-Proportional-Resonant Controller for Multifunctional Capacitive-Coupling Grid-Connected Inverter[C]//IEEE; IEEE Power Elect Soc; IEEE Ind Applicat Soc. 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA:IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC,2015:2506-2513.
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