MATEC Web of Conferences
Volume 55, 20162016 Asia Conference on Power and Electrical Engineering (ACPEE 2016)
|Number of page(s)||6|
|Section||Fault Diagnostic and Fault-Tolerant Power Converters|
|Published online||25 April 2016|
Lightning Protection Performance Assessment of Transmission Line Based on ATP model Automatic Generation
1 State Grid East Inner Mongolia Electric Power Maintenance Company, Tongliao 028000, Neimenggu Province, China
2 School of Electrical Engineering, Wuhan University, Wuhan 430072, China
a Corresponding author: lej01@ mails.tsinghua.edu.cn
This paper presents a novel method to solve the initial lightning breakdown current by combing ATP and MATLAB simulation software effectively, with the aims to evaluate the lightning protection performance of transmission line. Firstly, the executable ATP simulation model is generated automatically according to the required information such as power source parameters, tower parameters, overhead line parameters, grounding resistance and lightning current parameters, etc. through an interface program coded by MATLAB. Then, the data are extracted from the generated LIS files which can be obtained by executing the ATP simulation model, the occurrence of transmission lie breakdown can be determined by the relative data in LIS file. The lightning current amplitude should be reduced when the breakdown occurs, and vice the verse. Thus the initial lightning breakdown current of a transmission line with given parameters can be determined accurately by continuously changing the lightning current amplitude, which is realized by a loop computing algorithm that is coded by MATLAB software. The method proposed in this paper can generate the ATP simulation program automatically, and facilitates the lightning protection performance assessment of transmission line.
© Owned by the authors, published by EDP Sciences, 2016
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