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Guidelines for Protection against Overcurrent in Photovoltaic GeneratorsGARCIA, O.   , HERNANDEZ, J.-C. , JURADO, F. |
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Author keywords
electrical safety, fault currents, photovoltaic systems, protection, simulation
References keywords
photovoltaic(21), systems(15), safety(10), power(10), energy(10), solar(7), hernandez(7), pvsec(6), pvsc(6), protection(6)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2012-11-30
Volume 12, Issue 4, Year 2012, On page(s): 63 - 70
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2012.04010
Web of Science Accession Number: 000312128400010
SCOPUS ID: 84872798174
Abstract
This paper gives the scientific background and basic premises that should guide the design of overcurrent protection in photovoltaic generators (PVGs). Overcurrent protection first requires a thorough knowledge of potential risk scenarios and how to evaluate them. Accordingly, this paper describes electrical faults that may pose a risk to PVG because of overcurrents. It also evaluates these faults with a dynamic PVG model. This simulation model provides a realistic vision of the thermal and electrical behavior of the PVG from which implications of overcurrent protection can be drawn. A field test on a functioning 68-kWp PVG showed the accuracy of the simulation results regarding the risk of overcurrents, and validated the model used in our study. Within this context, this paper discusses how protective measures in the IEC 60364-4-43 can be applied to PVG. Since the measures in this standard were specifically conceived for alternating current low voltage (AC LV) systems, the unique operational characteristics of a PVG now make it necessary to revise and adapt them. |
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
