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Measuring Network of Wind Energy Institutes Jens Peter Molly DEWI, German Wind Energy Institute

Measuring Network of Wind Energy Institutes Jens Peter Molly DEWI, German Wind Energy Institute. www.measnet.com. Why MEASNET ?. Measurements Showed Differences:

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Measuring Network of Wind Energy Institutes Jens Peter Molly DEWI, German Wind Energy Institute

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  1. Measuring Network of Wind Energy Institutes Jens Peter Molly DEWI, German Wind Energy Institute www.measnet.com

  2. Why MEASNET ? • Measurements Showed Differences: • - in measurement results, - in interpretation of measurement procedures, - caused by the calibrations of sensors • Consequences were: • - no mutal recognition of measurement results, - repetition of measurements in each country, - and client prefered measurement institute with the best result for him

  3. Historical Development • Basic development of procedures and organisational structure in two EC supported Projects (EWTS I and II) from 1993 - 1996 • Formal foundation in 1997 with 7 institutions from 6 countries • CIEMAT, Spain- NEL, United Kingdom • CRES, Greece - RISØ, Denmark • DEWI, Germany - WINDTEST KWK, Germany • ECN, The Netherlands • Financed by annual membership fees, candidate assessment fees and voluntary working time contributions • 15 members from 5 countries and 4 further candidates in 2005 • today world wide recognition of MEASNET-members performed measurements

  4. Membership Conditions • independent from industry • ISO/IEC 17025 accreditation of the measurement procedures • adequate experience in the field of wind energy and wind energy related measurements • qualified and experienced measurement staff • measurements according to the MEASNET rules and procedures • accept the policy of co-operation and exchange of information in measurement campaigns • accept each other results as far as they are carried out according to the MEASNET procedures • participation in internal MEASNET quality evaluation programmes

  5. Membership Status • Full Member: • must have at least Power Performance or two other measurements approved • has all rights and pays full membership fee (1.000 €) • Associated Member: • must have one measurement different from Power Performance or free choice • has reduced rights (no vote in Council of Members)and pays only half membership fee (500 €)

  6. Seats of Members Denmark: Force Svend Ole Hansen Risø Tripod Germany: Deutsche WindGuard DEWI Dr. Frey Wind-consult Windtest KWK Windtest Grevenbroich Greece: CRES Spain: Barlovento CENER IDR/Uni. Pol. Madrid

  7. Organisational Structure

  8. Actual MEASNET Measurements • Anemometer Calibration • Power Performance • Noise Emission • Power Quality • In Preparation: • Mechanical Loads • Micro Siting

  9. MEASNET Documents: • Terms of Agreement (signed by all members) • 4 Measurement Procedures (public access) • Quality Evaluation Programme, QEP (internal) • Applicant Assessment Procedure, AAP (public access) • Puplic access via „www.measnet.com“

  10. MEASNET Approved Measurements

  11. Advantages of MEASNET • Choice between actually 15 institutes of compa-rable high measurement competence • Highest controlled measurement quality available on the market assured by periodically performed Round Robin Tests • Reduced financial risks in wind energy projects • World wide accepted measurements, demanded by banks and investors • Measurements accepted by wind turbine Certifi-cation Bodies, governments and local authorities

  12. Where are the Problems? • Adaption of “Terms of Agreement” accord-ing to the increasing commercial needs • Better definition of the “Quality Evaluation Procedures” for the Round Robin tests • Financing of the development of new harmonised measurement procedures • Necessary improvement of professionalism caused by the larger number of members

  13. Future of MEASNET • MEASNET - Wind • MEASNET - Solar • MEASNET - Wave • MEASNET - ?

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