Open AccessResearch on Key Technical Parameters of 1100kV Live Tank Circuit Breaker for UHVDC Converter Station
Author(s) -
Ning Du,
Zhengrong Xiang,
Bin Han,
Yue Yang,
Xiang Chen
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/486/1/012007
Subject(s) - circuit breaker , transient recovery voltage , engineering , inrush current , fuse (electrical) , electrical engineering , transient (computer programming) , distribution board , key (lock) , closing (real estate) , transmission (telecommunications) , voltage , computer science , voltage source , operating system , dropout voltage , transformer , law , political science , computer security
Many of UHVDC transmission projects planned and under construction are hierarchical connected to 500kV and 1000kV AC grid in China. Live tank circuit breakers are selected for switching 1000kV filters. During the development of 1100kV live tank circuit breakers, the closing inrush current and transient recovery voltage are key factors for structure of extinguishing chamber of circuit breakers. In this paper, the above factors are analyzed by simulation, and key technical parameters of 1100kV live tank circuit breakers for UHVDC converter station are proposed.