PITCH CONTROL OF WIND TURBINE BLADES IN A STANDBY MODE
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United States of America Patent
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Issued Date -
Mar 9, 2023
app pub date -
Jan 15, 2021
filing date -
Jan 16, 2020
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Abstract
A method of operating a wind turbine generator comprising a plurality of blades, the method comprising iterating the following steps: comparing an indicated rotor speed with a rotor speed target to determine a rotor speed error; generating a modified rotor speed error by applying a control factor to the rotor speed error; controlling the pitch angle of the blades via a pitch control system in accordance with the modified speed error; and altering the control factor in dependence on a size of the indicated rotor speed.
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