高压电器2025，Vol.61Issue(3)：144-151,8.DOI:10.13296/j.1001-1609.hva.2025.03.017
接地故障下特高压直流换流站过电压特性及影响因素研究
Study on Overvoltage Characteristics and Influencing Factors of UHVDC Converter Station in Grounding Fault Condition
张宗扬 1康超 1王致远 1余芳 1马子鑫 1郭洁1
作者信息
- 1. 西安交通大学电气工程学院,西安 710049
- 折叠
摘要
Abstract
In case of grounding fault of DC system,overvoltage will appear on some equipment in converter station.Due to different operation mode and type of equipment,it is very different from overvoltage in AC system.Based on Shanghaimiao-Linyi±800 kV UHVDC transmission project,the overvoltage characteristics of the converter station under the conditions of DC pole line grounding,DC bus grounding and converter transformer valve side grounding fault are studied in this paper.The influence of smoothing reactor,filter capacitor and grounding pole line on overvolt-age is analyzed.The study calculation provides a reference for the overvoltage suppression and insulation coordina-tion of DC converter station with layered access at the inverter side.关键词
特高压直流输电/接地故障/换流站/平波电抗器/滤波电容器/接地极线Key words
UHVDC/grounding fault/converter station/smoothing reactor/filter capacitor/grounding electrode wire引用本文复制引用
张宗扬,康超,王致远,余芳,马子鑫,郭洁..接地故障下特高压直流换流站过电压特性及影响因素研究[J].高压电器,2025,61(3):144-151,8.
