Structural analysis based sensor placement of a wind turbine gearbox

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (24) : 181-188.

WANG Guilan1,ZHAO Hongshan1,GUO Shuangwei2

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Abstract

A gearbox is a premier part of the drive train in the wind turbine.Once the gearbox has fault, it will not only produce high maintenance cost but also result in longer power outages.Performing on-line condition monitoring and the early fault detection and isolability of the gearbox thus has important practical significance for the assessment of wind turbine health.However, the effectiveness of the on-line condition monitoring and the early fault warning mainly depends on the installation location and number of sensors in the gearbox.Therefore, it is necessary to study the sensor configure of the gearbox.To accurately reflect the operational status of the gearbox and detect and insulate the fault that may arise, a dynamic equation describing the gearbox behavior was built.The structural analysis method was applied to optimize the allocation of the gearbox sensor, achieve the optimization goals of maximum fault detection and isolation.

Key words

turbine gearbox / sensor placement / structural analysis；fault detection and isolability

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WANG Guilan1,ZHAO Hongshan1,GUO Shuangwei2 . Structural analysis based sensor placement of a wind turbine gearbox[J]. Journal of Vibration and Shock, 2018, 37(24): 181-188

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