【作者】 张博； 杨妍妮； 黄晓容；

【Author】 ZHANG Bo1, YANG Yan-ni1, HUANG Xiao-rong2 (1. State Key Lab. of Mechanical Transmission, Chongqing University, Chongqing 400030, P R China;2. Chongqing Institute of China Coal Research Institute,Chongqing 400037, P R China)

【机构】 重庆大学机械传动国家重点实验室； 煤炭科学研究总院重庆研究院；

【摘要】 考虑齿轮啮合误差和时变刚度以及风速变化带来的外载荷波动,建立了1.5MW风电齿轮传动系统的集中参数模型;推导了求解时变系数振动微分方程组的解析谐波平衡法计算公式,并采用谐波平衡法进行求解得到风电齿轮传动系统在时变风载波动情况下的振动响应,分析结果与实际吻合良好;表明建立集中参数模型,采用谐波平衡法求取多级多自由度风力发电机齿轮传动系统振动响应是可行的。更多还原

【Abstract】 The differential equation which governs the behavior of the gear transmission system of 1.5MW wind-turbine generator is established, the external excitation caused by wind speed fluctuation is discussed in detail, the internal excitation due to time-varying mesh stiffness and comprehensive error is also analyzed. Based on previous models, the calculating formulations of the harmonic balance method of nonlinear dynamic equations are presented. The dynamic response of gear transmissions systems of wind-turbine with the fluctuation of wind load are obtained by employing this method. It proves that the harmonic balance method to analyze multi-stage and MDOF gear transmission system of wind-turbine is resonable and practicable.更多还原