Detailed simulation of distance protection for its testing and setting

Nikolay Yu Ruban, Mikhail V. Andreev, Ruslan A. Ufa, Aleksey A. Suvorov, Alexandr S. Gusev

Research output: Contribution to journalArticle

Abstract

A significant part of severe accidents (blackouts) in electric power systems (EPS) is associated with incorrect operation of relay protection and automation (RPA). One of the main reasons for the incorrect actions of the RPA devices is its rough settings, which often does not correspond to the real operating conditions for specific device. An analysis of currently used methods and tools for RPA setting up, shown that they are largely relied on the guidelines of previous decennaries. Respectively modern techniques have the same drawbacks associated with accounting the processes in specific RPA and primary transducers and its errors by approximate coefficients. It is possible to solve the indicated problem with a highly detailed analysis of the operation of key elements of RPA schemes in the specific operating conditions. The obtained results allow to estimate the processes in protected objects, processing errors in instrumental current (ICT) and voltage (IVT) transformers, as well as in RPA itself. Such possibility could be achieved by the detailed RPA mathematical modeling. The combination of an adequate EPS simulator and RPA models allows configuring parameters of the RPA settings ensuring its correct operation in real EPS. The article presents result of this research for distance protection.

Original languageEnglish
Pages (from-to)189-197
Number of pages9
JournalJournal of Electrical Engineering
Volume69
Issue number3
DOIs
Publication statusPublished - 1 Jun 2018

Fingerprint

Relay protection
Automation
Testing
Electric power systems
Transducers
Accidents
Simulators

Keywords

  • distance protection
  • hybrid real-Time power system simulator
  • mathematical simulation
  • power system

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Detailed simulation of distance protection for its testing and setting. / Ruban, Nikolay Yu; Andreev, Mikhail V.; Ufa, Ruslan A.; Suvorov, Aleksey A.; Gusev, Alexandr S.

In: Journal of Electrical Engineering, Vol. 69, No. 3, 01.06.2018, p. 189-197.

Research output: Contribution to journalArticle

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