CWP2025-11 Recent developments in leading edge protection_周铭2025.pdf

1、1 111111风机叶片前缘保护技术研究Recent developments in leading edge protection周铭高级应用工程师Ming ZhouSenior Application Engineer2 2 22 22 2Polytech概况 Polytech at a Glance独立测试中心材料、环境以及雷电测试每年进行5,000+次实验室测试全球布局工厂和办公室遍布丹麦、中国、墨西哥和美国员工400+Partnerto a wide range of OEMs and asset owners 300+patents registered or pending.19

2、94Polytech创立于1994年，现由两家北欧资本基金Verdane和FSN Capital共同持有Established 1994 Polytech was established 1994 and is owned by Verdane and FSN Capital,two Nordic capital funds创立于概念设计Conceptual design工程设计Engineering测试Testing生产Production服务与支持Service&SupportPeopleGlobal presenceFacilities and offices in Denmark,Ch

3、ina,Mexico,and USAIndependent Test CentersMaterial,environment,and lightning testing.5,000+lab tests per year.合作伙伴众多整机商和风场业主300+项已注册或申请中的专利3 3 33 33 3前缘腐蚀Leading Edge Erosion本图参考自乔治S斯普林格的著作液体冲击引起的腐蚀Figure made with inspiration from George S.Springer ”Erosion by liquid impact”压缩液体瑞利波剪切波反射波纵波4 4 44 44

4、 4首要的影响腐蚀与前缘保护寿命的因素叶尖速度年降雨量风速分布雨滴分布Primary contributors to erosion and LEP lifetimeTip SpeedAnnual RainfallWind Speed DistributionDropletDistribution冲击速度冲击次数冲击尺寸风速分布Impact speedNumber of impactsSize of impactsDistance that the turbine blade has travelled5 5 55 55 5紫外线温度湿度Material embrittlement and c

5、hange in material propertiesMaterial softening and change in material properties Material embrittlement and material softening dependent on low or high temperature Offshore environment effects盐雾次要的影响腐蚀与前缘保护寿命的因素Secondary contributors to erosion and LEP lifetimeUVSaltHumidityTemperature材料脆化与材料性能变化材料软

6、化与材料性能变化材料脆化与材料软化取决于低温或高温海洋环境6 6 66 66 6预测腐蚀长度与必要的防护措施经DNV认证根据地点优化的腐蚀计算器使用场景1.风机设计阶段a.腐蚀进程会有多快？b.叶尖速度的提升将如何影响腐蚀发展？2.风场设计阶段a.风场环境将如何影响腐蚀程度？3.叶片运维阶段a.需要维修的叶片长度是多少？需要何种前缘保护解决方案？Site-optimized erosion calculator verified by DNV Predicting the length of erosion and necessary protection Use cases1.Turbine