The influence of SICSFCL and the relationship between SICSFCL and distance relay protection of power grid

Author

Cui, Ji Bin ; Sun, Yu Wei ; Hong, Hui ; Gong, Wei Zhi ; Xin, Ying ; Wang, Jian Zhong ; Xiong, Zhi Quan ; Zi, Mei Rong ; Hu, Chang Bin

Author_Institution

Innopower Supercond. Cable Co., Ltd., Beijing, China

fYear

2011

fDate

14-16 Dec. 2011

Firstpage

301

Lastpage

304

Abstract

A Saturated Iron Core Superconducting Fault Current Limiter (SICSFCL) provides a powerful fault current limitation in high voltage and high capacity power grid. A 35kV/90MVA SICSFCL was installed in a 35 kV network for live-grid operation, in January 2008 at Puji substation, Kunming, China. With deep research on SICSFCL, the matching problem between SICSFCL and relay protection currently needs to be solved. This paper analyzes the influence that SICSFCL brings to the distance relay protection which is used widely in high voltage power grid, and considering the characteristics of microcomputer-based protection, this paper proposes a new algorithm to eliminate the influence.

Keywords

power grids; power system protection; relay protection; superconducting fault current limiters; SICSFCL; apparent power 90 MVA; distance relay protection; high capacity power grid; high voltage power grid; live-grid operation; saturated iron core superconducting fault current limiter; voltage 35 kV; Circuit faults; Fault currents; Impedance; Power grids; Power system stability; Protective relaying; fault current limiter; relay protection; superconducting devices;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Superconductivity and Electromagnetic Devices (ASEMD), 2011 International Conference on

Conference_Location

Sydney, NSW

Print_ISBN

978-1-4244-7852-1

Type

conf

DOI

10.1109/ASEMD.2011.6145128

Filename

6145128