[1]姜伟,郭姗姗.基于改进DEPACT宏模型的架空线路雷电感应过电压计算方法[J].电瓷避雷器,2017,140(03):123-128.[doi:10.16188/j.isa.1003-8337.2017.03.024]
 JIANG Wei,GUO Shanshan.Calculation Method of Lightning Induced Overvoltage on Overhead Lines Based on Improved DEPACT Macro-model[J].,2017,140(03):123-128.[doi:10.16188/j.isa.1003-8337.2017.03.024]
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基于改进DEPACT宏模型的架空线路雷电感应过电压计算方法()
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
140卷
期数:
2017年03期
页码:
123-128
栏目:
避雷器
出版日期:
2017-06-30

文章信息/Info

Title:
Calculation Method of Lightning Induced Overvoltage on Overhead Lines Based on Improved DEPACT Macro-model
作者:
姜伟郭姗姗
郑州财经学院,郑州 450000
Author(s):
JIANG Wei GUO Shanshan
Zhengzhou Institute of Finance and Economics,Zhengzhou 450000,China
关键词:
雷电感应过电压DEPACT宏模型架空配电线路相模变换
Keywords:
lightning induced overvoltage DEPACT Macro-model overhead distribution line phase-to-module transformation
DOI:
10.16188/j.isa.1003-8337.2017.03.024
文献标志码:
A
摘要:
分析了现有雷电感应过电压计算方法的不足,并提出了一种基于改进DEPACT宏模型的架空线路雷电感应过电压计算方法。分别介绍了DEPACT宏模型和Agrawal场线模型,并得到了外部电磁场激励下无损传输线的时域等效电路以及考虑频变参数的有损网络等效电路。该方法基于相模变换原理,可直接在相域内求解架空线路的雷电感应过电压。与现有方法相比,该方法具有计算效率高、计算精度高、稳定性好等特点。最后,通过算例进行计算,验证了所述方法的正确性;通过与FDTD比较,体现了该方法在计算效率方面的优势。
Abstract:
The deficiency of the existing lightning induced overvoltage calculation methods is analyzed, a calculation method of lightning induced overvoltage on overhead lines based on improved DEPACT macro-model is also put forward. Furthermore, the DEPACT macro-model and Agrawal model are introduced respectively. The time-domain equivalent circuits of lossless transmission lines under external electromagnetic excitation as well as the equivalent circuits of lossy sections considering frequency dependent parameters are obtained. The overhead line lightning induced overvoltage can be directly solved in phase region based on phase-to-module transformation principle. Compared with existing methods, this method has high calculation efficiency and precision with good stability. Finally, a numerical example is calculated to verify the validity of the method described. Through the comparison with FDTD, the method described in this article has advantage on computational efficiency.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-02-26 作者简介:姜 伟(1983—),男,讲师,硕士,主要研究方向:电气类课程教学与相关实验室建设,通信技术、电子电路研究。
更新日期/Last Update: 1900-01-01