Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition

This paper proposes an improved direct active and reactive power control (DPC) strategy for a grid-connected doubly fed induction generator (DFIG) based wind-turbine system under unbalanced grid voltage condition. The method produces required rotor voltage references based on the sliding mode contro...

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Main Authors: Gholam Reza Arab Markadeh, Nasrin Banimehdi
Format: Article
Language:English
Published: Materials and Energy Research Center (MERC) 2016-05-01
Series:Journal of Renewable Energy and Environment
Subjects:
Online Access:https://www.jree.ir/article_70082_876b44daa35f5e2a7e69ffc3a15eb145.pdf
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author Gholam Reza Arab Markadeh
Nasrin Banimehdi
author_facet Gholam Reza Arab Markadeh
Nasrin Banimehdi
author_sort Gholam Reza Arab Markadeh
collection DOAJ
description This paper proposes an improved direct active and reactive power control (DPC) strategy for a grid-connected doubly fed induction generator (DFIG) based wind-turbine system under unbalanced grid voltage condition. The method produces required rotor voltage references based on the sliding mode control (SMC) approach in stationary reference frame, without the requirement of synchronous coordinate transformation, and therefore causes a simpler design for power control system. Under unbalanced grid voltage condition, two control targets obtained simultaneously, i.e., removing stator active and reactive power oscillations. Moreover this method reduces the THD of stator current. Also it is shown that the proposed control method not only has a high-speed dynamic response but is stable during wind speed and system parameters variations. Simulation results for a 2kw DFIG confirm prominence of proposed control strategy.
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spelling doaj.art-b508410bf56c4f54926e638d906fdda12023-07-01T09:12:01ZengMaterials and Energy Research Center (MERC)Journal of Renewable Energy and Environment2423-55472423-74692016-05-0132243410.30501/jree.2016.7008270082Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage ConditionGholam Reza Arab Markadeh0Nasrin Banimehdi1Department of Electerical Engineering and Center of Excellence for Mathematics, Sharekord University, Sharekord, IranDepartment of Electerical Engineering and Center of Excellence for Mathematics, Sharekord University, Sharekord, IranThis paper proposes an improved direct active and reactive power control (DPC) strategy for a grid-connected doubly fed induction generator (DFIG) based wind-turbine system under unbalanced grid voltage condition. The method produces required rotor voltage references based on the sliding mode control (SMC) approach in stationary reference frame, without the requirement of synchronous coordinate transformation, and therefore causes a simpler design for power control system. Under unbalanced grid voltage condition, two control targets obtained simultaneously, i.e., removing stator active and reactive power oscillations. Moreover this method reduces the THD of stator current. Also it is shown that the proposed control method not only has a high-speed dynamic response but is stable during wind speed and system parameters variations. Simulation results for a 2kw DFIG confirm prominence of proposed control strategy.https://www.jree.ir/article_70082_876b44daa35f5e2a7e69ffc3a15eb145.pdfdoubly fed induction generatorwind turbinedirect power controlunbalanced grid voltagesliding mode control
spellingShingle Gholam Reza Arab Markadeh
Nasrin Banimehdi
Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
Journal of Renewable Energy and Environment
doubly fed induction generator
wind turbine
direct power control
unbalanced grid voltage
sliding mode control
title Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
title_full Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
title_fullStr Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
title_full_unstemmed Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
title_short Sliding-Mode-based Improved Direct Active and Reactive Power Control of Doubly Fed Induction Generator under Unbalanced Grid Voltage Condition
title_sort sliding mode based improved direct active and reactive power control of doubly fed induction generator under unbalanced grid voltage condition
topic doubly fed induction generator
wind turbine
direct power control
unbalanced grid voltage
sliding mode control
url https://www.jree.ir/article_70082_876b44daa35f5e2a7e69ffc3a15eb145.pdf
work_keys_str_mv AT gholamrezaarabmarkadeh slidingmodebasedimproveddirectactiveandreactivepowercontrolofdoublyfedinductiongeneratorunderunbalancedgridvoltagecondition
AT nasrinbanimehdi slidingmodebasedimproveddirectactiveandreactivepowercontrolofdoublyfedinductiongeneratorunderunbalancedgridvoltagecondition