NDLI: Operational planning for distribution system with windmills

Content Provider	IEEE Xplore Digital Library
Author	Abdelaziz, A.R. Hossam El-Din, A.A.
Copyright Year	2001
Description	Author affiliation: Dept. of Electr. Eng., Alexandria Univ., Egypt (Abdelaziz, A.R.)
Abstract	The implementation of wind turbines in Egypt has increased significantly during the last decade. Wind turbines are normally connected directly to the utility grid. The power production from a wind turbine depends on the wind condition. Favorable wind conditions are often found in thin populated areas, where the grid may be "weak". With an increasing number of wind turbines in such areas, it becomes more difficult to maintain an acceptable voltage quality. Problems such as under-voltages and over-voltages are well known. The over-voltages, which occur in case of low loads and high wind production, must be avoided due to the risk of damage to appliances of the customers. Using traditional load flow analysis, it is not possible to achieve a realistic impression of where and. when the over-voltage occur in a distribution system over a whole year. These analysis are normally based on some selected combinations of consumer loads and wind power productions. An investigation of the voltage condition is possible if the variations of both loads and productions are taken into account. This paper describes a method of determining the voltage conditions in a distribution system calculated over a year. The consumer loads and wind power productions are assumed as normal distributed within a year. The probability of undervoltage and over-voltage within a year is calculated, considering that the phase to neutral voltage at the consumers should be within the range based on the Egyptian Standard for voltage quality as given by IEC.
Sponsorship	IEEE Dielectr. & Electr. Insulation Soc
Starting Page	442
Ending Page	445
File Size	333523
Page Count	4
File Format	PDF
ISBN	0780363523
DOI	10.1109/ICSD.2001.955688
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-25
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wind turbines Production Wind energy Voltage control Relays Load flow Steady-state Probability IEC standards Costs
Content Type	Text
Resource Type	Article

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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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