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We would like to compare the electrical power output of the demo wind turbine with and without blade deflection. The result for the case with blade deflection (blade mode unchanged) is provided below. It is recommended to first download and extract the results folder on the desktop , then (we will later browse to this folder from within Bladed).

download the result for deflected blade simulation here

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Select "startup_no_blade_deflection" under Run Name. Select Summary information in Data Group. Select Electrical power for Variables. The electrical power will be plotted against time. Click on OK to finish data selection.

Click on Channel 2 and select change the path to the desktop to find "demo_steady_wind_11".  Make sure "demo_steady_wind_11" appears under Run Name. Select  Select summary information and electrical power, as shown in the previous step.

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We can check if the blades in our setup deflect or not for " "demo_steady_wind_11" . Select Blade 1 Deflections in Data Group. Select Blade 1 x-deflection for Variables. Select Time for Independent Variables.

Discussion

As expected, blade deflection The results agree with what we expected.  Blade deflection does in fact reduces generated electrical power.