NDLI: Method for Assessing Grid Frequency Deviation Due to Wind Power Fluctuation Based on “Time-Frequency Transformation”

Content Provider	IEEE Xplore Digital Library
Author	Lin Jin Sun Yuan-zhang Sorensen, P. Li Guo-jie Gao Weng-zhong
Copyright Year	2010
Abstract	Grid frequency deviation caused by wind power fluctuation has been a major concern for secure operation of a power system with integrated large-scale wind power. Many approaches have been proposed to assess this negative effect on grid frequency due to wind power fluctuation. Unfortunately, most published studies are based entirely on deterministic methodology. This paper presents a novel assessment method based on “Time-Frequency Transformation” to overcome shortcomings of existing methods. The main contribution of the paper is to propose a stochastic process “simulation” model which is a better alternative of the existing dynamic frequency deviation simulation model. In this way, the method takes the stochastic wind power fluctuation into full account so as to give a quantitative risk assessment of grid frequency deviation to grid operators, even without using any dynamic simulation tool. The case studies show that this method can be widely used in different types of wind power system analysis scenarios.
Starting Page	65
Ending Page	73
Page Count	9
File Size	1581675
File Format	PDF
ISSN	19493029
Volume Number	3
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluctuations Wind power generation Time frequency analysis Stochastic processes Fourier transforms Time domain analysis wind power fluctuation Fourier transform (FT) frequency deviation power spectrum density (PSD) Wiener–Khinchin theorem
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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