| 异频法测量长线路工频参数的误差分析及校正 |
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| 引用本文： | 蔡成良,程澜,范毅.异频法测量长线路工频参数的误差分析及校正[J].武汉大学学报(工学版),2012,45(1):111-115. |
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| 作者姓名： | 蔡成良 程澜 范毅 |
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| 作者单位： | 1. 湖北省电力公司电力试验研究院,湖北武汉,430077
2. 武汉义天科技有限公司,湖北武汉,430074 |
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| 摘 要： | 基于长线分布参数模型对输电线路开路阻抗和短路阻抗进行了仿真分析和模型试验,分析了异频法单端测量超长距离交直流输电线路工频参数时由分布参数影响造成的测量误差,直流输电线路的工频参数的现场测试数据验证了分析结果,并依据分布参数模型进行数据校正,解决了长线路尤其是直流输电线路工频参数的测量误差问题.
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| 关 键 词： | 长线路 异频法 分布参数模型 工频参数 误差分析 数据校正 |
Error analysis and correction of long line power frequency parameters measured by varying frequency method |
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| CAI Chengliang,CHENG Nan,FAN Yi.Error analysis and correction of long line power frequency parameters measured by varying frequency method[J].Engineering Journal of Wuhan University,2012,45(1):111-115. |
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| Authors: | CAI Chengliang CHENG Nan FAN Yi |
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| Affiliation: | 1.Electric Testing & Research Institute of Hubei Electric Power Company,Wuhan 430077,China;2.Wuhan Yitian Technology Co.,Ltd.,Wuhan 430074,China) |
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| Abstract: | Basing on the transmission lines distributed parameter model,the open-circuit and short-circuit impedances of power line are simulated and tested.The error caused by the distribution parameters impact is analyzed when the frequency parameters of ultra-long AC & DC power line are measured through varying frequency method with single-ended.The field test data of the DC power line frequency parameters verified the simulation results;and the data correction is performed based on the distributed parameter model to eliminate frequency parameters measurement error of the long power line,especially the DC power line. |
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| Keywords: | long power line varying frequency method distributed parameter model power frequency parameters error analysis data correction |
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