Electromagnetic Interference Issues in Power Electronics and Power Systems

Indexed in: Scopus

This E-Book focuses on conducted and radiated emission noise generated by different power converters such as Switch Mode power Supplies and DC-AC Inverters. EMI filter design and different approaches ...
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Lightning Surges on Wind Power Systems

Pp. 96-116 (21)

R. B. Rodrigues, V. M.F. Mendes and J. P.S. Catalao

Abstract

As wind power generation undergoes rapid growth, lightning damages involving wind power systems have come to be regarded as a serious problem. This chapter gives an introduction to lightning phenomena, lightning location systems and important parameters regarding lightning protection. The wind turbine is described and the main characteristics of its components, like the tower, the generator, the blades, and the electrical and electronic equipment, are highlighted. This chapter also introduces fundamentals of risk analysis method based on international standards, and describes how the rolling sphere method can be used to identify the vulnerable points on a structure. Computer tools and simulations using the LPS 2008 computer program are presented and discussed. Finally, wind turbine issues are discussed.

Keywords:

Transmission system, Blades, Control and safety systems, Grid connection, Generator, Lightning phenomena, Lightning location systems, Lightning surge parameters, Protection issues in wind turbine, Risk analysis, Wind turbine protection

Affiliation:

Department of Electromechanical Engineering, University of Beira Interior, R. Fonte do Lameiro, 6201-001 Covilha, Portugal.