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1介绍风电机组的设计需要满足IEC61400-1设计规范标准中所规定的具体要求和条件。这些条件包括罕见事件,例如可能导致高结构负荷的极端阵风或者外部故障。极端设计荷载工况(DLC)通常情况下会左右风电机组主要零部件,如塔架、叶片和主机的设计。两种典型极端工况分别为50年一遇阵
1 Introduction The design of a wind turbine needs to meet the specific requirements and conditions specified in the IEC61400-1 design specification standards. These conditions include rare events such as extreme gusts or external faults that can result in high structural loads. Extreme design load conditions (DLC) often dominate the main wind turbine components such as towers, blades and mainframe design. Two typical extreme conditions were 50 years a battle