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Ensuring Correct Functioning of Remote Protection of a Power Line Under Conditions of Saturation of Current Transformers

Kuzhekov, S. L. / Degtyarev, A. A. / Vorob’ev, V. S. / Moskalenko, V. V.

The results of studying the effect of saturation of class P current transformers (CT) in transient modes for actuating the impedance relay of the first stages of remote protection against single-phase short circuits are presented. Various connection configurations of the CT to the resistance relay are examined. Methods of increasing the selectivity and speed of action of the specified protections in the modes under study are substantiated.

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Ensuring Correct Functioning of Remote Protection of a Power Line Under Conditions of Saturation of Current Transformers

Kuzhekov, S. L. / Degtyarev, A. A. / Vorob’ev, V. S. / Moskalenko, V. V.

The results of studying the effect of saturation of class P current transformers (CT) in transient modes for actuating the impedance relay of the first stages of remote protection against single-phase short circuits are presented. Various connection configurations of the CT to the resistance relay are examined. Methods of increasing the selectivity and speed of action of the specified protections in the modes under study are substantiated.

Ensuring Correct Functioning of Remote Protection of a Power Line Under Conditions of Saturation of Current Transformers

Kuzhekov, S. L. / Degtyarev, A. A. / Vorob’ev, V. S. / Moskalenko, V. V.

The results of studying the effect of saturation of class P current transformers (CT) in transient modes for actuating the impedance relay of the first stages of remote protection against single-phase short circuits are presented. Various connection configurations of the CT to the resistance relay are examined. Methods of increasing the selectivity and speed of action of the specified protections in the modes under study are substantiated.

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Title:

Ensuring Correct Functioning of Remote Protection of a Power Line Under Conditions of Saturation of Current Transformers

Contributors:

Kuzhekov, S. L. (author) / Degtyarev, A. A. (author) / Vorob’ev, V. S. (author) / Moskalenko, V. V. (author)

Published in:

Power Technology and Engineering ; 51

Publication date:

2017

ISSN:

DOI:

https://doi.org/10.1007/s10749-017-0860-6

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

single-phase short circuit , resistance relay , power line , saturation , transient process , current transformer

Classification:

BKL: 56.30 Wasserbau / 56.30$jWasserbau

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