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Title: Coordinated Control of Wind Turbine and Energy Storage System for Reducing Wind Power Fluctuation

Abstract

This paper proposes a method for the coordinated control of a wind turbine and an energy storage system (ESS). Because wind power (WP) is highly dependent on wind speed, which is variable, severe stability problems can be caused in power systems, especially when the WP has a high penetration level. To solve this problem, many power generation corporations or grid operators have begun using ESSs. An ESS has very quick response and good performance for reducing the impact of WP fluctuation; however, its installation cost is high. Therefore, it is important to design the control algorithm by considering both the ESS capacity and WP fluctuation. Thus, we propose a control algorithm to mitigate the WP fluctuation by using the coordinated control between the wind turbine and the ESS by considering the ESS capacity and the WP fluctuation. Using de-loaded control, according to the WP fluctuation and ESS capacity, we can expand the ESS lifespan and improve grid reliability by avoiding the extreme value of state of charge (SoC) (i.e., 0 or 1 pu). The effectiveness of the proposed method was validated via MATLAB/Simulink by considering a small power system that includes both a wind turbine generator and conventional generators thatmore » react to system frequency deviation. We found that the proposed method has better performance in SoC management, thereby improving the frequency regulation by mitigating the impact of the WP fluctuation on the small power system.« less

Authors:
ORCiD logo [1];  [2];  [1]
  1. Hanyang Univ., Seoul (Korea, Republic of). Dept. of Electrical Engineering
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
Hanyang Univ., Seoul (Korea, Republic of); National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE; Korea Electric Power Corporation
OSTI Identifier:
1423555
Report Number(s):
NREL/JA-5D00-71017
Journal ID: ISSN 1996-1073
Grant/Contract Number:  
AC36-08GO28308; R17XA05-56
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Energies (Basel)
Additional Journal Information:
Journal Volume: 11; Journal Issue: 1; Journal ID: ISSN 1996-1073
Publisher:
MDPI AG
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION; wind power fluctuation; energy storage system (ESS); state of charge (SoC) management; coordinated control

Citation Formats

Kim, Chunghun, Muljadi, Eduard, and Chung, Chung Choo. Coordinated Control of Wind Turbine and Energy Storage System for Reducing Wind Power Fluctuation. United States: N. p., 2017. Web. doi:10.3390/en11010052.
Kim, Chunghun, Muljadi, Eduard, & Chung, Chung Choo. Coordinated Control of Wind Turbine and Energy Storage System for Reducing Wind Power Fluctuation. United States. doi:10.3390/en11010052.
Kim, Chunghun, Muljadi, Eduard, and Chung, Chung Choo. Wed . "Coordinated Control of Wind Turbine and Energy Storage System for Reducing Wind Power Fluctuation". United States. doi:10.3390/en11010052. https://www.osti.gov/servlets/purl/1423555.
@article{osti_1423555,
title = {Coordinated Control of Wind Turbine and Energy Storage System for Reducing Wind Power Fluctuation},
author = {Kim, Chunghun and Muljadi, Eduard and Chung, Chung Choo},
abstractNote = {This paper proposes a method for the coordinated control of a wind turbine and an energy storage system (ESS). Because wind power (WP) is highly dependent on wind speed, which is variable, severe stability problems can be caused in power systems, especially when the WP has a high penetration level. To solve this problem, many power generation corporations or grid operators have begun using ESSs. An ESS has very quick response and good performance for reducing the impact of WP fluctuation; however, its installation cost is high. Therefore, it is important to design the control algorithm by considering both the ESS capacity and WP fluctuation. Thus, we propose a control algorithm to mitigate the WP fluctuation by using the coordinated control between the wind turbine and the ESS by considering the ESS capacity and the WP fluctuation. Using de-loaded control, according to the WP fluctuation and ESS capacity, we can expand the ESS lifespan and improve grid reliability by avoiding the extreme value of state of charge (SoC) (i.e., 0 or 1 pu). The effectiveness of the proposed method was validated via MATLAB/Simulink by considering a small power system that includes both a wind turbine generator and conventional generators that react to system frequency deviation. We found that the proposed method has better performance in SoC management, thereby improving the frequency regulation by mitigating the impact of the WP fluctuation on the small power system.},
doi = {10.3390/en11010052},
journal = {Energies (Basel)},
issn = {1996-1073},
number = 1,
volume = 11,
place = {United States},
year = {2017},
month = {12}
}

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