NDLI: Solution to short-term frequency response of wind farms by using energy storage systems

Content Provider	IET Digital Library
Author	Liu, Ju Wen, Jinyu Yao, Wei Long, Yao
Abstract	The increasing high penetration of wind power is bringing a serious challenge to the frequency regulation of power system, for wind turbine generators are unable to naturally contribute to system frequency response. To address this problem, this study proposes a control strategy to compensate the lack of short-term frequency response ability of wind farms (WFs) by the energy storage system (ESS). First, the rated power and capacity of the ESS, which is installed at the point of common coupling of the WF to make it have similar short-term frequency response ability to that of synchronous generators, are determined. The theoretical minimum rated power of the ESS should be about 5% rated power of the WF, only if the active power output of the ESS is controlled as its rated power during the whole inertial response process. Then, a fuzzy logic controller is designed for the ESS so that the required rated power of the ESS could reach its theoretical minimum value as closer as possible. Simulation results of a simplified practical power system show that WFs with the proposed strategy could response to the frequency change rapidly and support short-term frequency control effectively under various disturbances.
Starting Page	669
Ending Page	678
Page Count	10
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 5, May (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2015.0164
Journal	IET Renewable Power Generation
Publisher Date	2016-05-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Output Control Control of Electric Power System Control Strategy Control System Analysis Control System Synthesis Energy Storage Energy Storage System ESS Frequency Control Frequency Response Fuzzy Control Fuzzy Logic Controller Design Power And Energy Control Power Control Power Generation Control Power System Frequency Regulation Short-term Frequency Control Short-term Frequency Response Synchronous Generator Synchronous Machine Synthesis Method Wind Farm Wind Power Wind Power Plant Wind Turbine Wind Turbine Generator
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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