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A first approach in modelling lightning effects on megawatt-class

Onshore and offshore wind turbines by means of EMTP and MODELS
 
: Méndez-Hernández, Y.; Claudi, A.; Hahn, B.; Hoppe-Kilpper, M.

:
Fulltext urn:nbn:de:0011-n-1413995 (422 KByte PDF)
MD5 Fingerprint: 0745900184a53095b4d3bd547b8776c8
Created on: 24.9.2010


European Wind Energy Association -EWEA-, Brussels:
European Wind Energy Conference & Exhibition 2004. Proceedings. CD-ROM : 22 - 25 November, London, UK
Brussels: EWEA, 2004
6 pp.
European Wind Energy Conference and Exhibition (EWEC) <2004, London>
English
Conference Paper, Electronic Publication
Fraunhofer IWES ()

Abstract
The main aim of this study is to provide simulation models to evaluate lightning effects on wind turbines (WT). More than 1000 repair reports due to lightning strikes were registered in the scientific measurement and evaluation programme (WMEP) in Germany in the period from 1992 until 2002. Based on this information, a new methodology is proposed to model the components involved during a direct lightning strike on the WT by means of the simulation program ATP-EMTP. Modern WTs with heights of 60 m and rotor diameters above 40 m experiment over-voltages/currents effects due to travelling waves, which propagate along WT. This new methodology can be used as criteria to make a first approach of the lightning effects on different types of WTs (pitch or stall controlled).

: http://publica.fraunhofer.de/documents/N-141399.html