see

Wind Turbine Envelope

Insight

operating thresholds : cut-in 3.5 m/s, rated 12.0 m/s, cut-out 25.0 m/s
rated power : 3.2 MW
interval classifications : t1 3.0 m/s stopped 0.000 MW; t2 6.5 m/s partial 0.440 MW; t3 11.2 m/s partial 2.586 MW; t4 15.0 m/s rated 3.200 MW; t5 24.5 m/s rated 3.200 MW; t6 27.0 m/s stopped 0.000 MW
usable intervals : 4
total energy : 1.571 MWh

Explanation

Wind below cut-in and at or above cut-out is stopped for production and safety.
Wind between cut-in and rated speed follows a cubic power curve normalized to the rated point.
Wind between rated speed and cut-out is capped at rated power.
Energy is accumulated by multiplying each interval power by the ten-minute interval duration.