直流输电换流阀阻尼系统特性研究 - 中国电机工程学报.PDF
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第 32 卷 第 30 期 中 国 电 机 工 程 学 报 Vol.32 No.30 Oct.25, 2012
16 2012 年 10 月 25 日 Proceedings of the CSEE ©2012 Chin.Soc.for Elec.Eng.
0258-8013 (2012) 30-0016-07 TM 85 A 470 40
文章编号: 中图分类号: 文献标志码: 学科分类号: ⋅
直流输电换流阀阻尼系统特性研究
刘杰,张静,曹均正,于海玉,魏晓光,习贺勋
( 中国电力科学研究院,北京市 海淀区 100192)
Research of Damping System Characteristics for HVDC Converter Valves
LIU Jie, ZHANG Jing, CAO Junzheng, YU Haiyu ,WEI Xiaoguang, XI Hexun
(China Electric Power Research Institute, Haidian District, Beijing 100192, China)
ABSTRACT: The damping system of a direct current 0 引言
converter valve consists of saturable reactor magnetic core
直流输电技术是实现能源以电力形式进行大
resistors and thyristor level damping resistors. A analysis and
calculation method for the saturable reactor dynamic 规模转移的最佳技术方案。换流阀是直流输电系统
inductance and the magnetic core resistor was presented. The 的核心装备,自20 世纪 70 年代以来,以晶闸管为
[1-3]
linear relationship between the magnetic polarisation and the 核心的换流阀逐渐得到了广泛应用 。由于晶闸管
magnetic core resistor was established. The reactor voltage and 本身的电敏特性,其无法耐受过高的电气应力[4] 。
ampere characteristic at the high frequency voltage excitation 因此在换流阀开通暂态、关断暂态、冲击暂态工况
is consistent with the measurement result, which confirmed the 下,需要配置必要的附属回路与保护元件,如饱和
accuracy of the model. Damping system suppression oscillation
电抗器,晶闸管级阻尼电阻、阻尼电容,直流均压
current performance was analyzed; the damping system
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