中国电机工程学报2012，Vol.32Issue(30)：16-22,7.
直流输电换流阀阻尼系统特性研究
Research of Damping System Characteristics for HVDC Converter Valves
摘要
Abstract
The damping system of a direct current converter valve consists of saturable reactor magnetic core resistors and thyristor level damping resistors. A analysis and calculation method for the saturable reactor dynamic inductance and the magnetic core resistor was presented. The linear relationship between the magnetic polarisation and the magnetic core resistor was established. The reactor voltage and ampere characteristic at the high frequency voltage excitation is consistent with the measurement result, which confirmed the accuracy of the model. Damping system suppression oscillation current performance was analyzed; the damping system configuration was presented when the first thyristor current trough reached the local extreme. The impact of saturated reactor core resistors on the voltage distribution among different models of the same tower was studied. A damping system loss calculation method was proposed, and the losses performance of the converter valve in different operating conditions was evaluated.关键词
直流输电换流阀/阻尼系统/铁心电阻/阻尼电阻/饱和电抗器Key words
HVDC converter valve/ damping system/magnetic core resistor/ damping resistor/ saturable reactor分类
信息技术与安全科学引用本文复制引用
刘杰,张静,曹均正,于海玉,魏晓光,习贺勋..直流输电换流阀阻尼系统特性研究[J].中国电机工程学报,2012,32(30):16-22,7.基金项目
国家863高技术基金项目(2012AA052701). （2012AA052701）
