NDLI: Primary frequency control by wind turbines

Content Provider	IEEE Xplore Digital Library
Author	Erlich, I. Wilch, M.
Copyright Year	2010
Description	Author affiliation: Institute of Electrical Power Systems (EAN), Universität Duisburg-Essen, 47057, Germany (Erlich, I.; Wilch, M.)
Abstract	The speed of modern converter controlled wind turbines is almost completely decoupled from the grid frequency. Accordingly, wind turbines do not possess a natural response to frequency excursions. In this paper three different control concepts that enable wind turbines to participate on grid frequency control are introduced. The first uses pitch control together with the provision of reserve capacity by operating the wind turbine in part load mode. The second and third strategies utilize the kinetic energy of wind turbines to provide frequency support for a limited time following a disturbance. One involves a control scheme which initiates the partial release of the kinetic energy immediately after the frequency drop is detected. Replenishing the stored energy and thus accelerating the wind turbine then follows during the frequency recovery phase. The third option calls for the wind turbine to accelerate first, and then decelerate by discharging energy during the phase of the disturbance in which the frequency is approaching its minimum, thus limiting the frequency drop more effectively. For all three concepts the control structures are presented, and the effectiveness of the suggested methods is demonstrated using simulation results.
Starting Page	1
Ending Page	8
File Size	848219
Page Count	8
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589911
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wind turbines Frequency control Rotors Converters Mathematical model Wind speed Pitch Control Wind Energy Primary Control Frequency Response
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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