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    一、Anti-typhoon 

Typhoon,tropicalcyclonearising on ocean surfacesin tropical and sub-tropical areas where the temperature is over 26℃, bring destructive wind conditionsto areas. The grid and wind turbines get failed due to extreme wind speed,turbulence and wind shift. To combat against disastrous conditions, Windeydeveloped a couple of anti-typhoon models, which survived Typhoon phoenix andTyphoon Chan-hom in typhoon-stricken wind farms. Backed by years of experience,Windey became the team leader in drafting WindTurbine Generating System under Typhoon Condition, the National Criteria.The concepts of typhoon modeling and anti-typhoon emergency plan were initiallyput forward by Widney and were acknowledged by experts.  

Case:Wind Turbines survived Typhoon Chan-hom in coastal areas of Zhejiang on 11 July2015. 

   二、Anti-frozen

      With wind farms expanding to southwest,southeast and central areas of China, increasing number of wind turbines weresuffering from frozen and congelation disasters each year, which not only reducedgrid stability and power output but also threatened equipments and personnel. Forthis, we use anti-frozen coating and testing equipments, or otherwise use heating,anti-frozen coating and testing equipments, to cope with different icing frozenloads, by statistics analysis and validation in terms of aerodynamics, materials,fatigue damage, extreme load and noise emission. The solutions were tested inZhejaing coastal areas and Yunan-Guizhou plateau frequently hit by snowdisasters and were turned out to effectively protect wind turbines fromdamaging, dramatically bring down the frozen down-time.  

三、Anti high-altitude

     At 2000m-above plateau areas, lower-capacitywind turbines had to be used as some factors of products, like heat dissipationpotential, disruptive strength and compressive strength, were proportionallyreduced. For this, Windey developed wind turbines especially for plateau environmentsbetween 2000m to 4000m in view of various altitude, environment, climate, andin consideration of thunder-storm and frozen disasters. The plateau models hadbeen operated with good performance in plateaus of Yunnan, Guizhou and Sichuan.  

    四、AdaptabilityDesign for Special Environments

    1、Low-speed

Low-speed areas refer to south China where the averagewind speed is relatively low. For this, Windey developed models against lowspeed by innovated blades, structural design, mechanical layout and control algorism.So far, WD93-1500 and WD115-2000 wind turbines were widely acknowledge byclients in market. Now, prototypes of 2 more competitive products, WD121-2000and WD125-2500, are going to be fulfilled.  

Power curves of WD110/115-2000 wind turbines

    2、Complex terrain

Complex terrain raises higher requirement for wind farm planning and micro-siting. Windey, based on 40 years experience in operation and maintenance, by technologies of big data platform and simulation software, considering factors like orographic uplift, wake flow, wind deviation, roads and transportation, developed series products corresponding to various tower options. Furthermore, yaw control algorithm was developed against various wind directions, in order to bring best values to clients. 

 3、Noise Emission Control

Wind power is mostly a renewable and clean energy, except it hasthe problem of noise emission, bringing inconvenience to population around. Windey,based on theoretical calculation, and through on-site testing , maximallylowered the blade noise, which was a pioneering innovation domestically.Meanwhile, while keeping on power output, Windey invented noise-control mode tocope against various noise sensitive areas. 

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