Self-Reconfiguration Property of a Mixed Signal Controller for Improving Power Qulaity Compensation During Light Loading

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	Self-Reconfiguration Property of a Mixed Signal Controller for Improving Power Qulaity Compensation During Light Loading
	Wong, M. C.; Yang, Y. Z. ; Lam, C. S.; Choi, W. H. ; Dai, N. Y.; Wu, Y. J. ; Wong, C. K.; Sin, S. W.; Chio, U. F. ; U, S. P. ; Martins, R. P.
	2015-10-01
Source Publication	IEEE Transaction on Power Electronics
ISSN	0885-8993
Pages	5938-5951
Abstract	This paper proposes a FPAA-FPGA/DSP-based mixed signal controller that achieves superior performance when compared with conventional digital controllers in power quality compensation. This includes adaptive signal conditioning and programmability on-the-fly, higher flexibility, parallel computation capability, and easy implementation. In practical applications, the power quality compensator may suffer from poor compensation performance, particularly during light loading. The adaptive signal gain and programmable on-the-fly functions of the mixed signal controller are intended to improve the system compensation performance, which cannot be achieved by using conventional digital controllers alone. In this study, an Approximate Total Harmonic Distortion (ATHD) is proposed, to determine the total harmonic distortion (THD) value more quickly, reducing the evaluation time of the power quality compensation system performance. With hysteresis pulse width modulations (PWM), when the hysteresis error margin is designed, the ATHD can be determined instantaneously, using instantaneous power theory. Finally, representative simulation and experimental results of a three-phase four-wire center-split hybrid active power filter (HAPF) are presented. These verify the validity and effectiveness of the proposed mixed-signal controller in improving current quality compensation performance during light load conditions, compared with a conventional digital controller.
Keyword	Power Electronics Power Qulaity
Language	英語English
The Source to Article	PB_Publication
PUB ID	14783
Document Type	Journal article
Collection	DEPARTMENT OF PUBLIC HEALTH AND MEDICINAL ADMINISTRATION
Corresponding Author	Wong, M. C.
Recommended Citation GB/T 7714	Wong, M. C.,Yang, Y. Z. ,Lam, C. S.,et al. Self-Reconfiguration Property of a Mixed Signal Controller for Improving Power Qulaity Compensation During Light Loading[J]. IEEE Transaction on Power Electronics, 2015, 5938-5951.
APA	Wong, M. C.., Yang, Y. Z. ., Lam, C. S.., Choi, W. H. ., Dai, N. Y.., Wu, Y. J. ., Wong, C. K.., Sin, S. W.., Chio, U. F. ., U, S. P. ., & Martins, R. P. (2015). Self-Reconfiguration Property of a Mixed Signal Controller for Improving Power Qulaity Compensation During Light Loading. IEEE Transaction on Power Electronics, 5938-5951.
MLA	Wong, M. C.,et al."Self-Reconfiguration Property of a Mixed Signal Controller for Improving Power Qulaity Compensation During Light Loading".IEEE Transaction on Power Electronics (2015):5938-5951.

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