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Mathematical Problems in Engineering
Volume 2013, Article ID 142765, 9 pages
Research Article

Transient Simulation of Wind Turbine Towers under Lightning Stroke

National Active Distribution Network Technology Research Center, Beijing Jiaotong University, Beijing 100044, China

Received 23 March 2013; Revised 16 July 2013; Accepted 17 July 2013

Academic Editor: Ming-Hung Hsu

Copyright © 2013 Xiaoqing Zhang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A simulation algorithm is proposed in this paper for lightning transient analysis of the wind turbine (WT) towers. In the proposed algorithm, the tower body is first subdivided into a discrete multiconductor system. A set of formulas are given to calculate the electrical parameters of the branches in the multiconductor system. By means of the electrical parameters, each branch unit in the multiconductor system is replaced as a coupled -type circuit and the multiconductor system is converted into a circuit model. Then, the lightning transient responses can be obtained in different parts on the tower body by solving the circuit equations of the equivalent discretization network. The laboratory measurement is also made by a reduced-scale tower for checking the validity of the proposed algorithm.