E3S Web Conf.
Volume 69, 2018International Conference Green Energy and Smart Grids (GESG 2018)
|Number of page(s)||5|
|Section||The Modern Stage of the Smart Grid Concept|
|Published online||27 November 2018|
Combination of the Methods of symmetrical components and Double Entry to Increase the Reliability of Digital Differential Relay Protection
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 LLC Scientific-Production Enterprise Microprocessor technology, Nizhny Novgorod, Russian Federation
* Corresponding author: email@example.com
The method of symmetrical components is one of the main methods used to calculate asymmetric modes in electric power systems. To increase the reliability of digital differential relay protection in case of asymmetric faults, a combination of symmetric components and double entry methods is proposed. It is supposed to compile balance equations, to apply the theory of graphs and matrices, and the estimation of reliability indicators is carried out on the basis of 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 and symmetrical components in the electrical networks.
© The Authors, published by EDP Sciences, 2018
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