Optimization Design of System Parameters of the Gear Transmission of Wind Turbine Based on Dynamics and Reliability

Abstract

Abstract: The differential equations which govern the behavior of the gear transmission system of a 1.5 MW wind turbine are established, the external excitation caused by wind speed changes is discussed, and the internal excitation due to time-varying mesh stiffness and comprehensive error is also analyzed. Based on the presented models, the expression of the application factor and dynamic load factor are obtained. Optimization design model with minimal volume is described, in which the equal-strength principle and reliability are considered. The results demonstrate that the method presented is an effective way to enhance system reliability and reduce the weight and the volume.

Key words: Dynamic load factor, Gear transmission, Optimization design, Reliability, Wind turbine

CLC Number:

TH132

QIN Datong;XING Zikun;WANG Jianhong. Optimization Design of System Parameters of the Gear Transmission of Wind Turbine Based on Dynamics and Reliability[J]. , 2008, 44(7): 24-31.

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Optimization Design of System Parameters of the Gear Transmission of Wind Turbine Based on Dynamics and Reliability

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