Title :
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
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;
Conference_Titel :
Applied Superconductivity and Electromagnetic Devices (ASEMD), 2011 International Conference on
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4244-7852-1
DOI :
10.1109/ASEMD.2011.6145128
