INVESTIGATION OF THE OPERATION MODES OF PROTECTION AGAINST SINGLE-PHASE EARTH FAULT IN THE NETWORK WITH ISOLATED NEUTRAL POINT IN PRESENCE OF FERRORESONANCE PROCESSES

Authors

  • Yu. L. Saienko Pryazovskyi State Technical University
  • A. S. Popov Pryazovskyi State Technical University

Abstract

The problem of distribution of zero-sequence currents and modes of protection against single-phase earth fault with the existence of ferroresonance processes are considered in the article. It’s shown that in the ferroresonance mode the false tripping of both electromechanical and digital relaying is possible. There have been considered the typical algorithms of protection against single-phase earth fault that are used by digital terminals of relay protection, and also special feature of their setting and blocking at the ferroresonance mode.

Author Biographies

Yu. L. Saienko, Pryazovskyi State Technical University

Dr. Sc. (Eng.), Professor, Professor of the Chair of Electrification of Industrial Enterprises

A. S. Popov, Pryazovskyi State Technical University

Cand. Sc. (Eng.), Assistant Professor of the Chair of Electrification of Industrial Enterprises

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Published

2015-09-03

How to Cite

[1]
Y. L. Saienko and A. S. Popov, “INVESTIGATION OF THE OPERATION MODES OF PROTECTION AGAINST SINGLE-PHASE EARTH FAULT IN THE NETWORK WITH ISOLATED NEUTRAL POINT IN PRESENCE OF FERRORESONANCE PROCESSES”, Вісник ВПІ, no. 4, pp. 61–69, Sep. 2015.

Issue

No 4 (121), 2015

Section

Energy generation and electrical engineering

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