NDLI: Implementation of Dynamic Line Rating technique in a 130 kV regional network

Content Provider	IEEE Xplore Digital Library
Author	Talpur, S. Wallnerstrom, C.J. Hilber, P. Saqib, S.N.
Copyright Year	2014
Description	Author affiliation: Electr. Eng. Dept., Bahria Univ., Karachi, Pakistan (Saqib, S.N.) \|\| Sch. of Electr. Eng., KTH, Stockholm, Sweden (Talpur, S.; Wallnerstrom, C.J.; Hilber, P.)
Abstract	This paper investigates the possibility of using Dynamic Line Rating (DLR) to increase the existing power transmission capacity of overhead lines. The main contribution is to combine theoretical calculations and modeling with real application to conclude benefits of DLR. Both introduction of relevant theory and a case study on a power distribution system in Sweden are included. The concept of DLR implies that the capacity of a component dynamically varies as a function of external parameters, such as weather conditions and loading history. Traditionally, the rating is statically set from simulations of worst-case scenarios. Based on conventional static line rating (SLR) methods, the actual current carrying capability of overhead conductors is underestimated. When an increase in the line current capacity is needed, overhead lines may be rated based on a method that allows system operators to run the lines closer to their actual real-time capacity. Furthermore, the paper addresses the problems of observing safe ground clearance requirements. Knowing the conductor temperature, when it transmits the required electricity is an important factor to be taken into consideration. Therefore, based on real-time ambient conditions with actual line loading and with the help of IEEE-738-2006 standard, the conductor temperature is also calculated in this paper. Finally, an economic analysis is performed to evaluate the financial advantages of applying the dynamic line ratings approach compared to traditional static line ratings technique for a specific overhead conductor (VL3).
Starting Page	477
Ending Page	482
File Size	583298
Page Count	6
File Format	PDF
ISBN	9781479957545
e-ISBN	9781479957552
DOI	10.1109/INMIC.2014.7097387
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-08
Publisher Place	Pakistan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Loading Ear
Content Type	Text
Resource Type	Article

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