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

Status	已發表Published
	Analysis, design and implementation of a quasi-proportional-resonant controller for multi-functional capacitive-coupling grid-connected inverter
	Ye, T.; Dai, N. Y.; Lam, C. S.; Wong, M. C.; Guerrero, J. M.
	2016-09-01
Source Publication	IEEE Transactions on Industry Applications
ISSN	0093-9994
Pages	4269-4280
Abstract	The capacitive-coupling grid-connected inverter (CGCI) is coupled to the point of common coupling via a second-order LC branch. Its operational voltage is much lower than that of a conventional inductive-coupling grid-connected inverter (IGCI) when it serves as a multifunctional inverter to compensate reactive power and transfer active power simultaneously. It is a promising solution for micro-grid and building-integrated distributed generator systems. A quasiproportional-resonant (quasi-PR) controller is applied to reduce steady-state current tracking errors of the CGCI in this paper. The quasi-PR controller generates the voltage reference for use of carrier-based pulse width modulation, which can effectively reduce output current ripples. The second-order coupling impedance of the CGCI causes its modeling and controller design to differ from that of the conventional IGCI. A comprehensive design method for the quasi-PR controller in a CGCI is developed. The quasi-PR controller is also compared with a proportional-integration current controller. Simulation results are provided to verify the effectiveness of the quasi-PR controller and its design method in a CGCI. The current tracking errors are greatly reduced when the quasi-PR controller rather than the proportional-integration
Keyword	Active power Capacitive-coupling grid-connected inverter Proportional-integration controller Quasi-PR controller reactive power
Language	英語English
The Source to Article	PB_Publication
PUB ID	20862
Document Type	Journal article
Collection	University of Macau
Corresponding Author	Dai, N. Y.
Recommended Citation GB/T 7714	Ye, T.,Dai, N. Y.,Lam, C. S.,et al. Analysis, design and implementation of a quasi-proportional-resonant controller for multi-functional capacitive-coupling grid-connected inverter[J]. IEEE Transactions on Industry Applications, 2016, 4269-4280.
APA	Ye, T.., Dai, N. Y.., Lam, C. S.., Wong, M. C.., & Guerrero, J. M. (2016). Analysis, design and implementation of a quasi-proportional-resonant controller for multi-functional capacitive-coupling grid-connected inverter. IEEE Transactions on Industry Applications, 4269-4280.
MLA	Ye, T.,et al."Analysis, design and implementation of a quasi-proportional-resonant controller for multi-functional capacitive-coupling grid-connected inverter".IEEE Transactions on Industry Applications (2016):4269-4280.

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