Impact of Photovoltaic Tied to Electrical Grid System On Power Quality
Journal of Electrical and Electronic Engineering
Volume 5, Issue 2, April 2017, Pages: 23-32
Received: Mar. 8, 2017; Accepted: Mar. 17, 2017; Published: Apr. 4, 2017
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Authors
Salah Kamal EL-Sayed, Department of Electrical Power & Machines, Faculty of Engineering, Al-Azhar University, Cairo, Egypt
Ehab Issa Okasha, Department of Electrical Power & Machines, Faculty of Engineering, Al-Azhar University, Cairo, Egypt
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Abstract
The High Penetration of PV power into the existing electricity grid needs more study and analysis to enable safe operation. One of the major concerns is the impact of PV system on grid power quality .Poor power quality could cause disturbance and financial losses due to the use of power inverters. Harmonic distortion is a serious power quality problem that reduces power quality and consequently causes a number of problems to consumer and network. This Paper proposes a new strategy for power quality improvement in a three-phase grid connected PV Inverter with central and string configuration and controlling on them using Sinusoidal pulse width modulation and space vector modulation methods with LCL Filter .This paper investigates PV Inverter configuration and impact of them on PV Plant Performance and harmonics that produced by PV inverter. The design, modeling, and analysis of a grid-tied PV system were performed in the PSCAD software simulation environment. The simulations of Harmonic Distortion (Total Demand Distortion & Total Harmonic Distortion) were applied at Point of Coming Coupling and the results obtained were compared with the limits specified by IEEE STD 519-1992 standards.
Keywords
Harmonics, Photovoltaic, PSCAD
To cite this article
Salah Kamal EL-Sayed, Ehab Issa Okasha, Impact of Photovoltaic Tied to Electrical Grid System On Power Quality, Journal of Electrical and Electronic Engineering. Vol. 5, No. 2, 2017, pp. 23-32. doi: 10.11648/j.jeee.20170502.11
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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