Secure operating bounds for wind energy conversion systems working as conventional power generation plants

In this work, it is shown that it is possible to operate a wind energy conversion system (WECS) based on a doubly fed induction generator while operating in a different mode than maximum power tracking. Here, using the recent results on the steady state solution of the torque balance transcendental...

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Bibliographic Details
Published in:IET generation, transmission & distribution transmission & distribution, 2019-06, Vol.13 (12), p.2311-2318
Main Authors: Lopez-Garcia, Irvin, Lopez-Monsalvo, Cesar S, Beltran-Carbajal, Francisco, Escarela-Perez, Rafael, Olivares-Galvan, Juan C
Format: Article
Language:English
Subjects:
asynchronous generators
conventional power generation plants
direct energy conversion
doubly fed induction generator
maximum power tracking
power generation control
Research Article
safe operational region
secure operating regime
state variables
steady state solution
system variables
torque balance transcendental equation
WECS
wind energy conversion system
wind power plants
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Summary:In this work, it is shown that it is possible to operate a wind energy conversion system (WECS) based on a doubly fed induction generator while operating in a different mode than maximum power tracking. Here, using the recent results on the steady state solution of the torque balance transcendental equation, analytical expressions for all the state variables of the WECS are obtained. In this fashion, closed-form online reference trajectories for the system variables are presented. These analytical formulas can be used to perform power tracking control into the safe operational region of WECS. Moreover, realistic generic case studies are described to depict how these results are useful in systematically assessing the secure operating regime for both, the electric and mechanic components of the WECS.
ISSN:1751-8687
1751-8695
1751-8695
DOI:10.1049/iet-gtd.2018.7042