| .T接输电线路故障测距的行波算法[J].电气自动化,2011,(3): |
| T接输电线路故障测距的行波算法 |
| Fault Location Algorithm Based on Travelling Wave Theory for Three-terminal Transmission Lines |
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| DOI： |
| 中文关键词: T接输电线路 故障分支判别 输电线路分布参数 三端线路的二端等效 双端行波故障测距 |
| 英文关键词:three-terminal transmission lines decision of fault branch distributed parameter of transmission lines two-terminal equivalency to three-terminal transmission lines fault location of travelling wave for two-terminal transmission lines |
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| 中文摘要: |
| 针对T接输电线路故障测距问题,将行波故障测距方法应用于T接输电线路故障。首先进行故障分支的判定,其次,把复杂的三端输电线路通过运算化简为比较简单的双端输电线路,然后利用双端行波故障测距的方法进行故障测距,得到故障的位置。同时在行波测距装置中增加行波波形记忆模块、使用较高的采样精度,确保双端行波测距的可行性。 |
| 英文摘要: |
| Aiming at problem of fault location algorithm for three-terminal transmission lines faced by relay engineers,this paper applied the travelling wave method of fault location to three-terminal transmission lines.Firstly,the fault branch was decided,then,through the operation the complicate three-terminal transmission lines were simplified to simpler two-terminal transmission lines,finally,the fault position could be found by the way of two-terminal transmission lines based on travelling wave theory.At the sam... |
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