Lightning impulse performance of a wind generator grounding grid considering soil ionization

Pyrgioti, E.; Bokogiannis, Vasileios

doi:10.1109/apl.2011.6111083

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Cited by 2 publications

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“…The power cable between two successive WTs or SS and WT5 is divided into 5 segments. Each segment is represented by a -type circuit [17]. The peak earth potential distribution in the interconnected grounding system is shown in Figure 12, where the peak earth potential at each WT or SS is expressed by the percentage of the maximum earth potential.…”

Section: Application Examplementioning

confidence: 99%

Transient Simulation of Wind Turbine Towers under Lightning Stroke

Zhang

2013

Mathematical Problems in Engineering

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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 coupledπ-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.

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Section: Application Examplementioning

confidence: 99%