A basic safety standard for wind turbines under the auspices of the International Electrotechnical Committee (IEC) is currently in a final voting round, with publication of the finished document expected shortly. Voters include all national laboratories and institutes involved in developing the standard as well as relevant national and international authorities, including departments of the European Union. The standard, Wind Turbine Generator Systems, Part 1, Safety Requirements (IEC 1400-1), is the first in a series of planned IEC 1400 standards which will all be relevant to wind turbines. According to a new newsletter, the EWTS Bulletin, the aim of an international standard is to improve harmonisation of the international wind turbine market, ensure a reasonable level of quality and further reduce wind turbine costs. The bulletin is the first in a series to be issued by the European Wind Turbine Standards Project to regularly inform about its work. The two year EWTS project, started at the beginning of 1994, is supported by the European Commission within the Joule II programme and is attempting to speed up the harmonisation of wind turbine standards. EWTS is split into four sub-projects under the following headings: Load Spectra for Wind Turbine Design, Calibration of Safety Factors, Evaluation of Wind Turbine Safety, Measurement Methods and Procedures. The aim is to issue recommendations to improve existing standards for wind turbine engineering. Copies of the EWTS Bulletin are available from EUREC Agency: European Economic Interest Group, Kapeldreef 75, B-3001 Leuven, Belgium. Tel +32 16281522; Fax +32 16281510.
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Senior Renewable Energy Analyst (WindGEMINI Product Lead) DNV GL Bristol (City Centre), City of Bristol