Analysis and Mitigation of Icing Effects on Wind Turbines

摘要: Precipitation, atmospheric and in-cloud icing affect wind turbine operation in various ways, including measurement control errors, power losses, mechanical electrical failures safety hazard. Anti-icing de-icing strategies are used to minimize these effects. Many active passive methods development but few available on the market. Active heating of blades is most tested, reliable way prevent It parallel with hydrophobic coating lower energy consumption. Precise evaluation site should be done during assessment phase evaluate necessity benefits installing anti-icing and/or system. This shall continue order optimize production avoid component failure related events. Multiple anemometry combination relative humidity measurements a cheap detection method while use ice sensors curve recommended operation. Most turbines operating cold climates facing events, very them equipped blade systems, studies were performed published characteristics systems. Technical difficulties due climate conditions have occurred for existing projects Quebec. Thus, simulations carried out refrigerated tunnel Materials International Laboratory (AMIL) at Universite du Quebec Chicoutimi (UQAC). The effect observed farm Murdochville, Quebec, Canada has been assessed 0.2 m NACA63-415 airfoil. shape mass deposit airfoil measured, as well lift drag force iced Scaling was based 1.8 MW–Vestas V80 technical data, three different radial positions two in-fog measured Murdochville Gaspe Peninsula. For both accumulated increased we move tip blade. In wet regime, glaze formed mostly near leading edge pressure side. also by run-off trailing outer half dryregime, rime accreted horns. when or airfoil, decreased increased. A load calculation using element theory shows that entire becomes too large compared lift, negative torque stop turbine. Torque reduction more significant third Setting up de-