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威布尔分布随机载荷下风电机组行星轮系疲劳强度分析
Authors
孙光耀
穆塔里夫·阿赫迈德
苏明明
Publication date
1 January 2020
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
为了快速准确地评估风电机组行星轮系疲劳寿命,根据行星轮系输入转矩与风速的分布关系,编制了不同风速下对应的二参数威布尔随机载荷谱,并用雨流计数法对载荷谱进行统计处理;在ANSYS中对行星轮轮系进行有限元分析,得到齿轮结构应力响应;依据Minner线性累积损伤理论,结合nCodeDesignLife对行星轮系进行疲劳寿命估算。着重分析了风电机组在启动风速、额定风速及年平均风速工况下的行星轮系疲劳寿命,获得各齿轮疲劳损伤状况,为风电机组行星轮系疲劳强度设计提供理论依据
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Last time updated on 05/04/2023