E3S Web Conf.
Volume 25, 2017Methodological Problems in Reliability Study of Large Energy Systems (RSES 2017)
|Number of page(s)||6|
|Section||Models and methods of research and ensuring the reliability of modern and prospective energy systems|
|Published online||01 December 2017|
Increase the reliability of operation of differential protection due to the use of the method of double entry
Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 603950, Nizhny Novgorod, Russian Federation
2 Nizhny Novgorod State University of Engineering and Economics, 606340, Knyaginino, Russian Federation
3 Branch office ESP-NN-SESH, Elektroshchit - TM Samara, GK, CJSC, 603000, Nizhny Novgorod, Russian Federation
* Corresponding author: firstname.lastname@example.org
Double entry it is method of registration of economic operations accounting, applied to detect errors. The application of the method in differential protection leads to increased reliability of technical solutions. By providing redundant processing of information about currents measured at the ends of the protected object, and is formed in a special matrix that implements the reliable operation of the differential protection, eliminating its excessive action when damaged the current transformers or communication lines. To assess the reliability of protection used the method of Markov chains. The obtained results allow to make a conclusion about the prospects of implementing a differential protection using the method of double entry in the electrical networks.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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