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Article . 2021 . Peer-reviewed
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Wind Energy
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Wind Energy
Article . 2022
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https://dx.doi.org/10.48550/ar...
Article . 2021
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Constrained power reference control for wind turbines

Authors: Daniel S. Zalkind; Marco M. Nicotra; Lucy Y. Pao;

Constrained power reference control for wind turbines

Abstract

Abstract The cost of wind energy can be reduced by controlling the power reference of a turbine to increase energy capture, while maintaining load and generator speed constraints. We apply standard torque and pitch controllers to the direct inputs of the turbine and use their set points to change the power output and reduce generator speed and blade load transients. A power reference controller increases the power output when conditions are safe and decreases it when problematic transient events are expected. Transient generator speeds and blade loads are estimated using a gust measure derived from a wind speed estimate. A hybrid controller decreases the power rating from a maximum allowable power. Compared to a baseline controller, with a constant power reference, the proposed controller results in generator speeds and blade loads that do not exceed the original limits, increases tower fore‐aft damage equivalent loads by 1%, and increases the annual energy production by 5%.

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Keywords

power boost, condition monitoring, design constraints, TJ807-830, Systems and Control (eess.SY), Electrical Engineering and Systems Science - Systems and Control, power control, Renewable energy sources, transient estimation, extreme event control, FOS: Electrical engineering, electronic engineering, information engineering

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    popularity
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    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Top 10%
Top 10%
Top 10%
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