Zobrazeno 1 - 5
of 5
pro vyhledávání: '"S. L. Kuzhekov"'
Publikováno v:
Power Technology and Engineering. 53:737-744
An analysis is made on the non-selective actuation of the differential protection of busbars with a voltage of 110 kV of an electrical distribution system substation in the transition mode of an external two-phase short circuit. The protection effect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73f38a0cae87890735f82c7958987c00
https://doi.org/10.1007/s10749-020-01149-3
https://doi.org/10.1007/s10749-020-01149-3
Autor:
A. A. Degtyarev, S. L. Kuzhekov
Publikováno v:
Russian Electrical Engineering. 88:832-838
Due to the increasing number of incorrect actions of relay protection in transient processes accompanied by saturation of current-transformer (CT) cores, there is a need for developing a domestic standard for protective CTs designed to operate in tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a9a6bbbdc42fc4064d5205fb2e4eca4
https://doi.org/10.3103/s1068371217120094
https://doi.org/10.3103/s1068371217120094
Publikováno v:
Power Technology and Engineering. 51:481-488
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20d66d43184f36cbb09b1b8d0af902cf
https://doi.org/10.1007/s10749-017-0860-6
https://doi.org/10.1007/s10749-017-0860-6
Publikováno v:
Power Technology and Engineering. 51:234-239
The existing methods of calculating the time-to-saturation of CT are analyzed. Since cases of core saturation have been observed in class P CT with high primary current multiples for which incorrect actions of the relay protection devices occurred in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f13587e0b70973a4256cd7a13a0fd89
https://doi.org/10.1007/s10749-017-0816-x
https://doi.org/10.1007/s10749-017-0816-x
Publikováno v:
Power Technology and Engineering. 44:159-164
Existing requirements, used to estimate the effectiveness of relay protection, are analyzed. The need to include in these requirements economic indicators of the functioning of relay-protection devices and automation or the reliability of the electri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a511ccdb11a122abe1dcbdd06a52e475
https://doi.org/10.1007/s10749-010-0158-4
https://doi.org/10.1007/s10749-010-0158-4