Open AccessElectromagnetic transient analysing of neutral bus in UHVDC converter station
Author(s) -
Wang Yunchao,
Yu Zhanqing,
Mou Ya,
Liu Fan,
Xie Shijun,
Shuiming Chen,
Zeng Rong,
He Jingliang
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2018.8408
Subject(s) - transient (computer programming) , capacitor , fault (geology) , electrical engineering , overvoltage , time domain , engineering , computer science , electronic engineering , voltage , geology , seismology , operating system , computer vision
Transient processes at neutral bus of ultra‐high value direct current (UHVDC) converter station received insufficient attention, because of the lower amplitude compare to poles. However due to the lower insulation level, electromagnetic transient processes at neutral bus may cause serious fault, and become an important issue that should be studied carefully in the design stage. A method to analyse the electromagnetic transient based on time‐domain wide‐band circuit simulation is proposed in this study. Models of major equipment are described. The electromagnetic transient of a ±800 kV converter station is calculated. The transient under different operation statuses is compared. Effects of suppression method such as arresters and capacitors are analysed.