一种基于三端直流输电系统的架空线路谐波电流计算方法
针对三端直流输电系统可能出现的架空输电线路谐波电流放大问题,对不同运行方式下的双极线路谐波电流开展研究.基于波阻抗理论,将对称运行的直流线路简化为对称分量回路,并求取单位长度参数;分析了均一线路谐波电流的计算方法;在此基础上结合波的折反射原理,提出了一种计算混合线路谐波电流的方法.通过在PSCAD/EMTDC平台上搭建相应的直流线路模型进行仿真,并与理论计算结果对比,表明该计算方法在求取三端直流输电系统不同运行方式下的线路谐波电流方面具有较高的准确性....
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          | Published in | 中国电力 Vol. 54; no. 1; pp. 37 - 46 | 
|---|---|
| Main Authors | , , , , | 
| Format | Magazine Article | 
| Language | Chinese | 
| Published | 
            四川大学电气工程学院,四川成都 610065
    
        2021
     | 
| Subjects | |
| Online Access | Get full text | 
| ISSN | 1004-9649 | 
| DOI | 10.11930/j.issn.1004-9649.202003179 | 
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| Abstract | 针对三端直流输电系统可能出现的架空输电线路谐波电流放大问题,对不同运行方式下的双极线路谐波电流开展研究.基于波阻抗理论,将对称运行的直流线路简化为对称分量回路,并求取单位长度参数;分析了均一线路谐波电流的计算方法;在此基础上结合波的折反射原理,提出了一种计算混合线路谐波电流的方法.通过在PSCAD/EMTDC平台上搭建相应的直流线路模型进行仿真,并与理论计算结果对比,表明该计算方法在求取三端直流输电系统不同运行方式下的线路谐波电流方面具有较高的准确性. | 
    
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| AbstractList | 针对三端直流输电系统可能出现的架空输电线路谐波电流放大问题,对不同运行方式下的双极线路谐波电流开展研究.基于波阻抗理论,将对称运行的直流线路简化为对称分量回路,并求取单位长度参数;分析了均一线路谐波电流的计算方法;在此基础上结合波的折反射原理,提出了一种计算混合线路谐波电流的方法.通过在PSCAD/EMTDC平台上搭建相应的直流线路模型进行仿真,并与理论计算结果对比,表明该计算方法在求取三端直流输电系统不同运行方式下的线路谐波电流方面具有较高的准确性. | 
    
| Author | 常鹏飞 王顺亮 马俊鹏 崔嘉滢 刘天琪  | 
    
| AuthorAffiliation | 四川大学电气工程学院,四川成都 610065 | 
    
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| Author_FL | WANG Shunliang CUI Jiaying LIU Tianqi CHANG Pengfei MA Junpeng  | 
    
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| Keywords | 运行方式 混合线路 三端直流输电系统 谐波电流 波阻抗 分布参数  | 
    
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| Title | 一种基于三端直流输电系统的架空线路谐波电流计算方法 | 
    
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