NDLI: Fuzzy Dynamic Thermal Rating of Transmission Lines

Content Provider	IEEE Xplore Digital Library
Author	Shaker, H. Fotuhi-Firuzabad, M. Aminifar, F.
Copyright Year	1986
Abstract	Dynamic thermal rating (DTR) of transmission system facilities is a way to maximally realize the equipment capacities while not threatening their health. With regards to transmission lines, the allowable current of conductors is forecasted based on the environmental situations expected in some forthcoming time periods. Due to the fact that weather conditions continuously vary, sampling points are very limited against many line spans, and the measurements have an inherent error, uncertainties must be appropriately included in the DTR determination. This paper adopts the fuzzy theory as a strong and simple tool to model uncertainties in the DTR calculation. Since DTR intends to determine the line capacity for some periods ahead, the capability of fuzzy computation in predicting future phenomena is very fruitful here. In the proposed model, variables, such as ambient temperature, wind speed, wind direction, and solar hour angle are assumed to be fuzzy numbers. Numerical simulations are provided based on inputs taken from real databases and reasonable assumptions as well. The results obtained support the validation and efficiency of the proposed model.
Sponsorship	IEEE Power Engineering Society
Starting Page	1885
Ending Page	1892
Page Count	8
File Size	1380612
File Format	PDF
ISSN	08858977
Volume Number	27
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Weather forecasting Transmission line measurements Numerical analysis Power transmission lines Numerical models Wind speed Power system planning Fuzzy theory transmission capability Dynamic thermal rating (DTR) fuzzy theory steady-state heat balance
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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