换流站近区运行方式对谐波影响分析研究  

Analysis on the Influence of Near Zone Operation Mode on Harmonics of Converter Stations

作　　者：刘小冰 戴甲水 LIU Xiaobing;DAI Jiashui(CSG EHV Power Transmission Company,Tianshengqiao Bureau,Xingyi 562400,China)

机构地区：[1]广东电网有限责任公司超高压输电公司天生桥局,贵州兴义562400

出　　处：《电工技术》2024年第17期100-102,106,共4页Electric Engineering

摘　　要：分析换流站谐波与换流站近区重要厂站运行方式的相关性。分析交流侧5次谐波与直流侧6次谐波的波动情况及直流滤波器电容过负荷保护告警动作原理,通过对现场的谐波监视数据同换流站近区重要厂站运行方式变化进行数据分析,提出了针对性的谐波监视和直流滤波器电容过负荷保护告警应急处置策略。运行结果表明,所提措施有效提升高压直流系统的直流谐波处置能力和安全稳定运行水平。The correlation between harmonics of converter stations and operation mode of main plants near the converter station is analyzed.The fluctuation of AC-side fifth-order harmonics and DC-side sixth-order harmonics and the action principle of DC filter capacitor′s overload protection alarm are analyzed.By analyzing the on-site harmonic monitoring data and the change of the operation mode of near-zone important plant,the emergent handling strategy for harmonic monitoring and DC filter capacitor overload protection alarm is proposed.The proposed measures has been verified effective in improving DC harmonic disposal capability and safe and stable operation level of HVDC systems.

关 键 词：换流站 谐波 数据分析 运行方式 直流滤波器 

分 类 号：TM72[电气工程—电力系统及自动化]