海上风机塔筒的非均匀传输线模型

doi:10.11930/j.issn.1004-9649.202001065

中国电力 ›› 2020, Vol. 53 ›› Issue (7): 92-99,216.DOI: 10.11930/j.issn.1004-9649.202001065

• 远海风电送出关键技术专栏 • 上一篇下一篇

海上风机塔筒的非均匀传输线模型

宋远见, 徐政, 余敬秋, 张哲任

浙江大学电气工程学院，浙江杭州 310027

收稿日期:2020-01-13 修回日期:2020-03-12 发布日期:2020-07-05
作者简介:宋远见(1997—)，男，硕士研究生，从事大规模交直流电力系统分析研究，E-mail: yuanjiansong18@163.com;徐政(1962—)，男，通信作者，教授，博士研究生导师，从事大规模交直流电力系统分析、直流输电与柔性交流输电、电力谐波与电能质量、风电发电技术与风电场并网技术研究，E-mail: xuzheng007@zju.edu.cn
基金资助:
国家电网公司科技项目(SGJSJY00GHJS1900028)

Non-uniform Transmission Line Model of Offshore Wind Turbine Tower

SONG Yuanjian, XU Zheng, YU Jingqiu, ZHANG Zheren

College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

Received:2020-01-13 Revised:2020-03-12 Published:2020-07-05
Supported by:
This work is supported by Science and Technology Project of SGCC (No.SGJSJY00GHJS1900028)

摘要/Abstract

摘要： 风机塔筒的建模是海上风电机组防雷保护研究的重要组成部分，其模型的建立对分析结果有重要影响。首先分析塔筒多波阻抗模型在海上风机防雷研究中的不适用性；其次建立塔筒的非均匀传输线模型；然后，利用多波阻抗模型研究塔筒空间结构变化对自身电磁暂态特性的影响。研究结果表明：塔筒分段越多，其电磁暂态响应越准确。通过对采用非均匀传输线模型和采用多波阻抗模型的塔筒雷电暂态响应进行对比，证明了非均匀传输线模型更符合实际情况，从而给出了塔筒的推荐分段数。

关键词: 海上风机, 多波阻抗模型, 非均匀传输线模型, 防雷保护, 电磁暂态响应

Abstract: The modeling of wind turbine tower is an important part of the research on lightning protection of offshore wind turbines. The establishment of its model has an important impact on the analysis results. This paper first analyzes the inapplicability of the tower multi-surge impedance model in the research of lightning protection for offshore wind turbines, and then establishes a non-uniform transmission line model of tower. Secondly, the influence of the spatial structure change of the tower on its own electromagnetic transient characteristics was studied by using the multi-surge impedance model. The results show that the more the tower is divided into sections, the more accurate its electromagnetic transient response is. Finally, a comparative analysis of the lightning transient response of the tower using the non-uniform transmission line model and the multi-surge impedance model is performed, which proves that the non-uniform transmission line model is more in line with actual conditions.

Key words: offshore wind turbine, multi-surge impedance model, non-uniform transmission line model, lightning protection, electromagnetic transient response

宋远见, 徐政, 余敬秋, 张哲任. 海上风机塔筒的非均匀传输线模型[J]. 中国电力, 2020, 53(7): 92-99,216.

SONG Yuanjian, XU Zheng, YU Jingqiu, ZHANG Zheren. Non-uniform Transmission Line Model of Offshore Wind Turbine Tower[J]. Electric Power, 2020, 53(7): 92-99,216.

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海上风机塔筒的非均匀传输线模型

Non-uniform Transmission Line Model of Offshore Wind Turbine Tower

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