Our lightning protection upgrades meet the ‘Protection Level I’ requirements in accordance with the IEC 61400-24 standard. By choosing the Vestas lightning protection upgrades you can improve the protection of your turbines, while benefitting from lower insurance cost. technicAL descRiPtiOn cOPPeR cAPs • Thecapisa2mmpress-weldedcopperplate. • Shapedinaccordancewithaerodynamictipprofile. • Mechanicallybondedtothebladetipsurfacebymeansofa twocomponentadhesive. • Electrically,thecopperplateisbondedtotheblades’internal downconductorbymeansoftwospecialM16.4spherical bolts. • Theseboltsalsosecurethemechanicalfixationbetweenthe capandthebladestructure. • Thetipispaintedintheblade’scolour. • Thereceptorsgenerateahigherelectricalpotentialthanthe materialaroundthereceptor,whichleadslightningtothe receptors. technicAL descRiPtiOn cOPPeR stRiPs • Thecopperstripsmeasure2.65meterslong,0.5mmhigh, and100mmwide. • Thestripsareattachedtothebladesurfacealongthe directionofthespar. • Ifapplicable,thestripsareplacednexttothevortex generators. top: copper strip installed on blade Left: copper cap installed on blade 03/2016 – EN
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