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Mitigating Power Fluctuations for Energy Storage in Wind Energy Conversion System Using Supercapacitors

Panhwar, IH, Ahmed, K, Seyedmahmoudian, M, Stojcevski, A, Horan, Ben, Mekhilef, S, Aslam, A and Asghar, M 2020, Mitigating Power Fluctuations for Energy Storage in Wind Energy Conversion System Using Supercapacitors, IEEE Access, vol. 8, pp. 189747-189760, doi: 10.1109/ACCESS.2020.3031446.

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Title Mitigating Power Fluctuations for Energy Storage in Wind Energy Conversion System Using Supercapacitors
Author(s) Panhwar, IH
Ahmed, K
Seyedmahmoudian, M
Stojcevski, A
Horan, BenORCID iD for Horan, Ben orcid.org/0000-0002-6723-259X
Mekhilef, S
Aslam, A
Asghar, M
Journal name IEEE Access
Volume number 8
Start page 189747
End page 189760
Total pages 14
Publisher IEEE
Place of publication Piscataway, N.J.
Publication date 2020-10-15
ISSN 2169-3536
2169-3536
Keyword(s) Science & Technology
Technology
Computer Science, Information Systems
Engineering, Electrical & Electronic
Telecommunications
Computer Science
Engineering
Batteries
DC-DC power converters
energy storage
microgrids
supercapacitors
smart grids
wind energy
wind energy integration
BATTERY
CHARGER
DESIGN
Summary The world is rapidly shifting to green power resources due to inevitable growing energy needs and increasing environmental concerns. However, the irregular production capacity of renewable energy resources requires additional components in the system for conditioning power quality and to make them a sustainable solution. It imperatively needs an energy storage system, which is crucial for the wind energy conversion system (WECS) to maintain a smooth power supply to loads. However, voltage fluctuations from the wind turbine generator, which are caused by the turbulent nature of wind speed, pose disruptions to the DC charge controller of a battery, and affects battery life. To deal with power fluctuations of the wind turbine generator, this study proposes a WECS that integrates a supercapacitor before the stages of the DC charge controller and the energy storage device. Given that batteries have transient charging and discharging characteristics, a test bench is developed to analyze their patterns during the charging/discharging cycles. The DC charge controller in the proposed WECS is designed to operate in the constant current mode as well as constant voltage mode depending on the state of charge of the battery. The simulations and experiments associated with the performance of WECS with a hybrid energy storage system and conventional system are carried out and presented to substantiate the assertion. To validate the proposed idea, the performance of the WECS and improvement in battery life are examined through the charging pattern of battery before and after the integration of a supercapacitor. The behavior of wind turbine generator variables due to the integration of supercapacitor in WECS is analyzed and discussed in detail. A prototype of WECS combined with an arrangement of a supercapacitor (500 F, 2.7 Vdc) module is built and tested. The simulation and experimental results indicating the impact of the integration of supercapacitor in WECS are presented.
Language eng
DOI 10.1109/ACCESS.2020.3031446
Indigenous content off
Field of Research 08 Information and Computing Sciences
09 Engineering
10 Technology
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Use Rights Creative Commons Attribution Non-Commercial No-Derivatives licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30146422

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.