Dr.-Ing. Andreas Vath Bosch Rexroth AG Wind Turbine Drive Train ...
Dr.-Ing. Andreas Vath Bosch Rexroth AG Wind Turbine Drive Train ...
Dr.-Ing. Andreas Vath Bosch Rexroth AG Wind Turbine Drive Train ...
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<strong>Dr</strong>ive train innovations and load reduction solutions<br />
Load reduction: Individual pitch control<br />
Active damping of<br />
dynamic loads<br />
2<br />
Individual Pitch Control<br />
1<br />
2<br />
1<br />
Active torque<br />
control<br />
Individual pitch<br />
control<br />
Preventing and reducing<br />
loading by means of<br />
innovative approaches<br />
2<br />
• Measurement of bending<br />
moments in each blade<br />
• Controller for bending<br />
moment reduction<br />
• Continuously pitching of<br />
each blade<br />
Bending moment<br />
reduction in %<br />
blades tower<br />
main<br />
shaft<br />
Future wind turbines:<br />
Load-reduced operation<br />
Effect on wind turbines:<br />
Reduced weight and cost and<br />
increased energy generation<br />
Load reduction for bending moments up to 25% with individual pitch control<br />
17<br />
A. <strong>Vath</strong> | <strong>Wind</strong> <strong>Turbine</strong>s Innovations | Sept. 2012 | © <strong>Bosch</strong> <strong>Rexroth</strong> <strong>AG</strong> 2010. All rights reserved, also regarding any disposal, exploitation, reproduction,<br />
distribution, as well as in the event of applications for industrial property rights.
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