Holistic Condition Monitoring for Wind Turbines - Bosch Rexroth

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Beyond Condition MonitoringActive Torque Control (ATC)Active damping ofdynamical loads1Active torque control12Active torquecontrolIndividual pitchcontrol• Dynamic control ofdrive train torque toreduce peak loads andFuture wind turbines:Load-reduced operationtorque oscillations21⇒ higher drive trainlifetime and reliabilityPreventing and reducingloading by means ofinnovative approaches⇒ lower cost of energyLoad reduction for torque with active torque control20D. 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.
Torque [kNm]Beyond Condition MonitoringDrive train torque and speed smoothing with ATC1750150012501000750500250withoutATCDrive train torquewith ATC00 10 20 30 40Time [s]Speed [rpm]1514.914.8Drive train speedwith ATCwithout ATC14.715 16 17 18 19Time [s]Reduction of drive trainspeed oscillations as aresult of less drive traintorque oscillationsHigh reduction of drive train torque and speed oscillations21D. 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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Holistic Condition Monitoring for Wind Turbines - Bosch Rexroth

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