| 杆塔模型对同塔双回110kV高杆塔雷电反击过电压的影响 |
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| 引用本文： | 潘翔,傅正财.杆塔模型对同塔双回110kV高杆塔雷电反击过电压的影响[J].电气技术,2012(6):1-4,40. |
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| 作者姓名： | 潘翔 傅正财 |
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| 作者单位： | 上海交通大学电气工程系电力传输与功率变换控制教育部重点实验室,上海,200240 |
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| 摘 要： | 杆塔模型对同塔双回110kV高杆塔上的雷电反击过电压幅值影响较大。为准确评价输电线路上雷电过电压的波特性,参考国内外输电线路反击耐雷性能中有关杆塔模型的研究,采用集中电感、单波阻抗、多波阻抗3种杆塔模型和9种波阻抗的计算方法,用ATP-EMTP建立雷击输电线路模型,计算并分析了实际运行同塔双回110kV线路中的一种高杆塔上的雷电反击过电压幅值与不同杆塔模型的适用性。计算结果表明,不同杆塔模型的计算结果存在一定的差异。
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| 关 键 词： | 杆塔模型 波阻抗 雷电反击过电压 ATP-EMTP |
Influence of Different Tower Models on the Lightning Back-Strike Overvoltage for 110 kV Double Circuit Transmission Lines with High Tower |
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| Pan Xiang,Fu Zhengcai.Influence of Different Tower Models on the Lightning Back-Strike Overvoltage for 110 kV Double Circuit Transmission Lines with High Tower[J].Electrical Engineering,2012(6):1-4,40. |
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| Authors: | Pan Xiang Fu Zhengcai |
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| Affiliation: | (Key Laboratory of Control of Power Transmission and Conversion,Ministry of Education,Department of Electrical Engineering,Shanghai Jiaotong University,Shanghai 200240) |
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| Abstract: | The tower modules impact the amplitude of lighting back-strike overvoltage on 110 kV double circuit transmission lines with high tower greatly.It＇s important to evaluate the impulse response characteristic of lighting wave traveling on transmission line.Reference to domestic and foreign research about lightning back-flashover performance of transmission lines in different tower models,three kinds of tower model such as equivalent inductance,surge impendence,multistory transmission tower model and nine kinds of the calculating method for wave impedance are described.The amplitude of practical lighting back-strike overvoltage on 110 kV double circuit transmission lines with high tower are calculated and analyzed through the simulation in ATE-EMTP.A conclusion is drawn that the calculation of the tower models are different. |
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| Keywords: | tower model wave impedance lightning back-strike overvoltage ATP-EMTP |
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