Abstract
This paper describes the design and testing of Web based system for online overhead conductor sag measurement of 11V power distribution line using Global Positioning System (GPS). The paper shows testing results of GPS data transmission from mid span of overhead conductor to substation. Maximum utilization of a power line may be achieved using dynamic rating algorithm for which conductor sag measurement is important. Raw GPS measurements are not so accurate that these are usable for overhead conductor sag evaluation. Further signal processing techniques such as bad data identification/modification, LSPE method and wavelet analysis required to improve accuracy of GPS measurements are discussed in the paper.
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