Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines

Abstract The cost of energy should be minimised to increase market penetration of wind energy conversion systems. The existing wind farm control strategies are not helpful since they speed up the damage in upstream wind turbines. Therefore, a control strategy is proposed to maximise the energy yield...

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Main Authors: Dulika Nayanasiri, Yunwei Li
Format: Article
Language:English
Published: Wiley 2021-09-01
Series:IET Renewable Power Generation
Subjects:
Online Access:https://doi.org/10.1049/rpg2.12201
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author Dulika Nayanasiri
Yunwei Li
author_facet Dulika Nayanasiri
Yunwei Li
author_sort Dulika Nayanasiri
collection DOAJ
description Abstract The cost of energy should be minimised to increase market penetration of wind energy conversion systems. The existing wind farm control strategies are not helpful since they speed up the damage in upstream wind turbines. Therefore, a control strategy is proposed to maximise the energy yield while equalising lifetime of one of the most fragile sub‐system of the wind turbines. The DC‐link capacitor bank of the back‐to‐back converters is considered to this end. The proposed control strategy can be directly applied in systems based on type 4 wind turbines with full power converters. This exposition reveals the formulation of the control strategy by analysing the strengths and weaknesses of the existing strategies based on the maximum power output. The lifetime‐based control strategy is extended to formulate a multi‐stage reactive power dispatch method with the help of a total energy‐based strategy. The effectiveness of all control strategies is validated using the model‐based simulations.
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spelling doaj.art-37b6e2c3c2f44f06a067d84881771a152022-12-22T02:04:38ZengWileyIET Renewable Power Generation1752-14161752-14242021-09-0115122766277710.1049/rpg2.12201Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbinesDulika Nayanasiri0Yunwei Li1Electrical and Computer Engineering University of Alberta Edmonton CanadaElectrical and Computer Engineering University of Alberta Edmonton CanadaAbstract The cost of energy should be minimised to increase market penetration of wind energy conversion systems. The existing wind farm control strategies are not helpful since they speed up the damage in upstream wind turbines. Therefore, a control strategy is proposed to maximise the energy yield while equalising lifetime of one of the most fragile sub‐system of the wind turbines. The DC‐link capacitor bank of the back‐to‐back converters is considered to this end. The proposed control strategy can be directly applied in systems based on type 4 wind turbines with full power converters. This exposition reveals the formulation of the control strategy by analysing the strengths and weaknesses of the existing strategies based on the maximum power output. The lifetime‐based control strategy is extended to formulate a multi‐stage reactive power dispatch method with the help of a total energy‐based strategy. The effectiveness of all control strategies is validated using the model‐based simulations.https://doi.org/10.1049/rpg2.12201Wind power plantsControl of electric power systemsPower system controlPower convertors and power supplies to apparatus
spellingShingle Dulika Nayanasiri
Yunwei Li
Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
IET Renewable Power Generation
Wind power plants
Control of electric power systems
Power system control
Power convertors and power supplies to apparatus
title Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
title_full Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
title_fullStr Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
title_full_unstemmed Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
title_short Formulation of a wind farm control strategy considering lifetime of DC‐link capacitor bank of type IV wind turbines
title_sort formulation of a wind farm control strategy considering lifetime of dc link capacitor bank of type iv wind turbines
topic Wind power plants
Control of electric power systems
Power system control
Power convertors and power supplies to apparatus
url https://doi.org/10.1049/rpg2.12201
work_keys_str_mv AT dulikanayanasiri formulationofawindfarmcontrolstrategyconsideringlifetimeofdclinkcapacitorbankoftypeivwindturbines
AT yunweili formulationofawindfarmcontrolstrategyconsideringlifetimeofdclinkcapacitorbankoftypeivwindturbines