高压直流输电线路对通信明线影响的仿真研究  

Analysis and Simulation of Effects of HVDC Transmission Lines on Telecommunication Lines

作　　者：孟伟[1] 文俊[1] 郑劲 韩民晓[1] 史秋娟[1] 

机构地区：[1]华北电力大学电气与电子工程学院,北京102206 [2]国网直流工程建设有限公司,北京100005

出　　处：《电工技术学报》2008年第6期103-108,共6页Transactions of China Electrotechnical Society

摘　　要：如何评价高压直流输电线路直流谐波对附近通信明线的影响,对确保通信线路正常、安全运行,以及直流输电工程的建设有着十分重要的意义。根据强电线路对弱电线路的耦合影响理论,高压直流输电线路对通信明线的影响分为危险影响和干扰影响两部分,本文介绍了高压直流输电线路对通信明线影响的原理及计算分类,以及目前国内主要的高压直流输电线路对通信明线影响的限值,并对不同参数变化下的静电感应电压和杂音电动势变化情况进行了仿真,得出了结论,为直流工程设计提供了一些参考。最后给出了具体模型进行了计算。It is very important to estimate the effects of harmonics of High Voltage Direct current （HVDC） transmission lines on telecommunication lines. Also, it is significant to build HVDC projects and ensure the telecommunication lines operating normal and safe. By using the coupling theory, the effects of harmonics of HVDC transmission lines on telecommunication lines is divided in two parts. The theory and sorts of the effects, as well as the available allowance are also introduced in this paper. Induced voltage and disturbance voltage are calculated and simulated in the various of conditions, and the general conclusion about effects of harmonics of HVDC transmission lines on telecommunication lines is obtained, and it supplies the reference for the design and the application of the projects. At last, a specific model is also calculated.

关 键 词：高压直流输电 直流线路 通信明线 感应电压 杂音电动势 等效干扰电流 

分 类 号：TM721.1[电气工程—电力系统及自动化]