电力系统及其自动化学报2019，Vol.31Issue(1)：132-141,10.
柔性直流配电网换流站交流母线故障响应特性
Response Characteristics of AC Bus Fault in Converter Station of VSC-based DC Distribution Network
曾冠铭 1范春菊 1乔林岳 1苏建军 2孙树敏 2李广磊3
作者信息
- 1. 上海交通大学电子信息与电气工程学院,上海 200240
- 2. 国网山东省电力公司电力科学研究院,济南 250001
- 3. 国网山东省电力公司电力科学研究院,济南 250001
- 折叠
摘要
Abstract
The AC bus faults arising in the voltage source converter(VSC)-based converter station have severe influ?ence on the system operation stability,so it is necessary to analyze the fault responses in detail. Considering the ground and phase-to-phase faults,the fault response mechanism,response circuit and response characteristics of the converter sta?tion and DC lines are studied in the case of a latched or latched-failed converter station. The response process is illus?trated by combining PSCAD simulation results,which proves the validity of the proposed fault response mechanism. The research result shows that the energy interaction within the system is an important part of fault response;in the case of a latched converter station,the energy interactions between AC and DC systems and within the DC system occur alternate?ly;in the case of a latched-failed converter station,besides energy interactions,the control of the converter station is anoth?er important factor that dominates the conduction state of bridge arms,fault loop and fault response characteristics.关键词
柔性直流配电网/换流站/交流母线故障/响应特性Key words
VSC-based DC distribution network/converter station/AC bus fault/response characteristics分类
信息技术与安全科学引用本文复制引用
曾冠铭,范春菊,乔林岳,苏建军,孙树敏,李广磊..柔性直流配电网换流站交流母线故障响应特性[J].电力系统及其自动化学报,2019,31(1):132-141,10.
