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Seeing is believing - even in a virtual world

Mortensen, Niels Gylling

Published in:Jingji Daobao (Wanchai)

Publication date:2010

Document VersionPublisher's PDF, also known as Version of record

Link back to DTU Orbit

Citation (APA):Mortensen, N. G. (2010). Seeing is believing - even in a virtual world. Jingji Daobao (Wanchai), (Suppl. Autumn2010), 11-13.

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6 Jxl.h~~mu•~~af.Jm~w~~• t,z:x-ttf:li.m*_,;_~ms"JM;;R::n~ Alarm management requirements for wind turbine condition monitoring A solution exists for dealing with the flood of alarms

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11 Dll!\!.7ii~-l!P-1!7£1,1Ui;{1!tff..m fl·~~~**~~~OO *~~~~E"J i:?,O*f4~*Niels G. Mortensen~~ ft~m5J:Wfi!ifQ5Ei.i'z.$Xi4 WAsP$±'i!i':!JQ 7 m:rtJs"J ~BJ< l'6J 2t~ Seeing is believing - even in a virtual world Niels G. Mortensen, senior scientist at Ris0 National Laboratory, Technical University of DenmarkRis0 has added virtual globe synchronization to its wind resource assessment and siting software WAsP

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--------------- ---------------..l

Danish Wind Technology

Seeing is believing - even in a virtual world

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mtf.li1!l~llil:!v ~1 O/t&WAsP$X11f S{J ::i:Jrn1Jj/iz:llt~.Jt•~tttft:m±t!!IJJ< (GE) $1[~

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N iels G. Mortensen, sen ior

scientist at Ris0 National

Laborato ry, Techn i ca l

University of DenmarkRis0 has

added virtual globe synchronizat ion

to its wind resource assessment and

siting software WAsP. While th is is

not 'rocket science', it has proven

to be an extremely powerful tool

for wind farm developers and wind

power consultants; providing almost

instant quality assurance for some of

the most critical input data t o the

wind flow and wind farm modelling.

WAsP software WAsP is a PC program

for the analysis of wind data, wind

atlas generation, wind resource

assessment, wind resource mapping,

and the siting of wind turbines and wind farms. The program,

which was released in the mid 1980's is continually being updated

and developed by the Wind Energy. Division at Ris0 DTU. Over

the years, ithas become well established and it is regarded by

many as the industry standard for wind resource assessment and

siting of wind fa rms. Today, WAsP has been employed by over

3000 users in more than 110 countries and territories around

the world. It is used by wind turbine manufacturers and ot her

companies and consultants in the wind power industry as well as

universities, research institutions and meteorological services.

Virtual globe synchronisation The main innovation in WAsP version 10 is the ab il ity to

view the wind farm project in Goog le Earth (GE). Once t he

project has been set up and ca lcu lated in WAsP, all geo­

referenced data can be shown in GE at the click of a mouse :

the meteorological station, any reference sites, the wind

turbine sites and wind farm layout, land cover classification,

3D scaled models of wind turbines and masts, roses of wind

climate and power production sta tistics, and wind and

ftl::JxlfiU17ic • DANISH WIND TECHNOLOGY 11

Danish Wind Technology

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power production maps. The GE view is synchronised with

WAsP, so any changes to the wind farm project are reflected

immediately in GE. The virtual globe synchronisation provides

instant quality assurance regarding some quite basic, yet very

significant, characteristics of the wind farm and wind resource:

the position of the meteorological mast(s), the position of

the wind turbines, the wind farm layout, the classification

of the land surface cover and the different wind resource

and wind power maps. In the past, errors in such information

were not uncommon and could contribute significantly to

the uncertainty of the wind farm production estimates. In

addition, it is also possible to import background images from

the virtual globe by just a few clicks. The images are scaled

automatically and can further be used as background images

when classifying and digitising the land cover classes in the

WAsP Map Editor.

A new wind atlas for NE China

From 2007-10, China Meteorological Administration and

Riso DTU have developed a new wind atlas for NE China

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Ris0 DTU • Wind Energy Division • Roskilde • Denmark • Phone (+45) 46 77 50 97 • wasp@risoe.dk

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Danish Wind Technology

(Dongbei). One of the main results of this project is a database

of generalised wind climates covering all of Dongbei (south of

50°N) with a horizontal resolution of 5 km. These generalised

wind climates can be used directly as input to the WAsP

software and it is therefore possible to do wind resource

assessment and siting studies anywhere in Dongbei with in a couple of hours or a few days - and see the resul ts in GE.

While the resul ts may not be as reliable as predictions based

on long-term wind data measured at a meteorologica l mast

near to the site, the wind atlas still provides reliable data for

wind farm planning and development.

The resul ts of the project wi ll be available in publ ic domain through a web site hosted by the China

Meteorolog ica I Administration.

More information For further information on the WAsP software, please visit

http://www.wasp.dk. Most generally available wind atlases and other wind surveys are listed on http://www.windatlas.dk. •

TCM® Turbine Condition Monitoring

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