Abstract
This paper deals with the optimal operation method for the mal-function of protective devices at primary feeder in distribution systems when new power sources like photovoltaic (PV) systems are interconnected, based on the symmetrical components of short circuit studies and the EMTDC/PSCAD S/W. When new power sources are considered to be interconnected to distribution systems, bi-directional power flow and interconnection transformer connection of new power sources may cause the operation problems of protective devices (mainly re-closer), since new power sources can change typical characteristics of distribution systems. Therefore, this paper shows an analysis skill of the mal-functional mechanism of protective relay and proposes the optimal solution for the mal-function problem using the symmetrical components of fault analysis and the EMTDC/PSCAD simulation. And, this paper also shows the effectiveness of proposed method by the simulation at the field distribution systems.
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Hasan, Rho, DS., Kim, C., Wang, Y. (2011). Operation Method for Protection Devices at the Primary Feeders with New Energy Sources Using EMTDC/PSCAD. In: Kim, Th., et al. Grid and Distributed Computing. GDC 2011. Communications in Computer and Information Science, vol 261. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27180-9_14
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DOI: https://doi.org/10.1007/978-3-642-27180-9_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-27179-3
Online ISBN: 978-3-642-27180-9
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