Study of the Efficiency of the Invariant Protection Against Single-Phase Ground Faults in the Microprocessor Terminals

被引：0

作者：

Pelenev, Denis N. ^{[1
]}

Abramovich, Boris N. ^{[1
]}

Sychev, Yury A. ^{[1
]}

Babyr, Kirill V. ^{[1
]}

机构：

[1] St Petersburg Min Univ, Elect Energy & Electromech Dept, St Petersburg, Russia

来源：

PROCEEDINGS OF THE 2019 IEEE CONFERENCE OF RUSSIAN YOUNG RESEARCHERS IN ELECTRICAL AND ELECTRONIC ENGINEERING (EICONRUS) | 2019年

关键词：

single-phase ground fault; correction algorithm; invariance; hardware and software complex of invariant protection; microprocessor protection relay unit;

D O I：

10.1109/eiconrus.2019.8657040

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The article presents the results of the study of the efficiency of the invariant protection against single-phase ground faults in the microprocessor terminal of relay protection and automation of microprocessor protection relay unit (MPRU). Necessity of integration algorithms for adaptive protection against ground faults in the structure of microprocessor-based terminals to ensure the selective identification of damaged connection in the case of circuits using the transient resistance is proved. The structural and functional scheme of invariant protection in the software environment for creation of functioning algorithms of the microprocessor terminal of relay protection and automation is developed. It is detected that the use of adaptive algorithms for correction of input parameters of protection in the available terminals of MPRU allows to increase selectivity and provide invariance of the protection action in case of incomplete single-phase ground faults.

引用

页码：624 / 629

页数：6

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