Unbalanced control strategy for a thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) in three-phase three-wire systems

Status	已發表Published
	Unbalanced control strategy for a thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) in three-phase three-wire systems
	Wang, L.; Lam, C. S.; Wong, M. C.
	2017-02-01
Source Publication	IEEE Transactions on Power Electronics
ISSN	0885-8993
Pages	1056-1069
Abstract	This paper proposes a control strategy for a three-phase three-wire thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF), which can balance active power and compensate reactive power and harmonic currents under unbalanced loading. Compared with TCLC-HAPF with conventional control strategy, active power filters (APFs) and hybrid active power filters (HAPFs) which either fail to perform satisfactory compensation or require high rating active inverter part for unbalanced compensation, a control strategy was proposed for TCLC-HAPF to operate with a small rating active inverter part for a variety of loads with satisfactory performance. The control idea is to provide different firing angles for each phase of the thyristor controlled LC-coupling part (TCLC) to balance active power and compensate reactive power, while the active inverter part aims to compensate harmonic currents. Firstly, the required different TCLC impedances are deduced. Then independent firing angles referenced to the phase angle of voltage across TCLC are calculated. After angle transformations, final firing angles referenced to phase angle of load voltages are obtained. In this paper, a novel controller for TCLC-HAPF under unbalanced loading is proposed. Simulation and experimental results are pro
Keyword	Active power current harmonics hybrid active power filter (HAPF) reactive power thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) unbalanced compensation
Language	英語English
The Source to Article	PB_Publication
PUB ID	20859
Document Type	Journal article
Collection	University of Macau
Corresponding Author	Lam, C. S.
Recommended Citation GB/T 7714	Wang, L.,Lam, C. S.,Wong, M. C.. Unbalanced control strategy for a thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) in three-phase three-wire systems[J]. IEEE Transactions on Power Electronics, 2017, 1056-1069.
APA	Wang, L.., Lam, C. S.., & Wong, M. C. (2017). Unbalanced control strategy for a thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) in three-phase three-wire systems. IEEE Transactions on Power Electronics, 1056-1069.
MLA	Wang, L.,et al."Unbalanced control strategy for a thyristor controlled LC-coupling hybrid active power filter (TCLC-HAPF) in three-phase three-wire systems".IEEE Transactions on Power Electronics (2017):1056-1069.

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