Analysis of operation of transformer differential protection under current transformer saturation: Software simulations and relay testing

Autor:	Sučević Nikola, Gligorov Saša, Stojanović Zoran
Jazyk:	English<br />Serbian
Rok vydání:	2021
Předmět:	current transformer saturation transformer differential protection software simulations relay testing Electrical engineering. Electronics. Nuclear engineering TK1-9971
Zdroj:	Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", Vol 31, Iss 31, Pp 195-216 (2021)
Druh dokumentu:	article
ISSN:	0350-8528 2406-1212
DOI:	10.5937/zeint31-35037
Popis:	In the paper the analyses of the current transformer saturation influence to operation of differential protection are presented. Analyses are performed using a simulation tool and a relay model, as well as using the physical relay by injecting test currents from test equipment on relay inputs. The comparison of relay behavior in these two analyses has been performed and discussed. Network modeling has been performed in DIgSILENT PowerFactory and physical relay testing using DOBLE test equipment.
Databáze:	Directory of Open Access Journals
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