Holistic Condition Monitoring for Wind Turbines - Bosch Rexroth
Holistic Condition Monitoring for Wind Turbines - Bosch Rexroth Holistic Condition Monitoring for Wind Turbines - Bosch Rexroth
Holistic Condition Monitoring for Wind TurbinesNecessity for CMS• Reliability of wind turbines besides the mechanical engineering is alsoinfluenced by the boundary conditions of operation:• Overload caused by high winds• Critical incidents: Emergency stops, lightning strike, insufficientlubrication etc.• Changes over time: Aging, settling• In order to reach the life time and profit expectations the encounteredloads have to be considered• Goal: Estimation of the remaining useful life• Limited accessibility (especially offshore) requires automated supervision• Preventive maintenance requires a continuous surveillance• Service experts can remotely supervise many turbine in many locationout of one service center8D. Tilch | 19 Sep 2012 | DC-RE/PAC | | © Bosch Rexroth AG 2012. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution,as well as in the event of applications for industrial property rights.
Holistic Condition Monitoring for Wind TurbinesFailure rates of system componentsHigh failure rates,but little down timeand repair costsFailure rate per year and systemLow failure rates,but long down timesand high repair costsNorthern German lowlandsMedium mountain rangesCoast• Early detecting reduces failures and thus improves the reliabilitySource: Fraunhofer IWES9D. Tilch | 19 Sep 2012 | DC-RE/PAC | | © Bosch Rexroth AG 2012. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution,as well as in the event of applications for industrial property rights.
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<strong>Holistic</strong> <strong>Condition</strong> <strong>Monitoring</strong> <strong>for</strong> <strong>Wind</strong> <strong>Turbines</strong>Necessity <strong>for</strong> CMS• Reliability of wind turbines besides the mechanical engineering is alsoinfluenced by the boundary conditions of operation:• Overload caused by high winds• Critical incidents: Emergency stops, lightning strike, insufficientlubrication etc.• Changes over time: Aging, settling• In order to reach the life time and profit expectations the encounteredloads have to be considered• Goal: Estimation of the remaining useful life• Limited accessibility (especially offshore) requires automated supervision• Preventive maintenance requires a continuous surveillance• Service experts can remotely supervise many turbine in many locationout of one service center8D. Tilch | 19 Sep 2012 | DC-RE/PAC | | © <strong>Bosch</strong> <strong>Rexroth</strong> AG 2012. All rights reserved, also regarding any disposal, exploitation, reproduction, editing, distribution,as well as in the event of applications <strong>for</strong> industrial property rights.
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