Application of GPS for Sag Measurement of Overhead Power Transmission Line

descriptionPublicationkeyboard_double_arrow_right Article 30 Sep 2011Publisher:School of Electrical Engineering and Informatics (STEI) ITBJournal:International Journal on Electrical Engineering and Informatics, volume 3, pages 268-277 (issn: 2085-6830, eissn: 2087-5886,

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Authors: Sangeeta Kamboj; Ratna Dahiya;

doi: 10.15676/ijeei.2011.3.3.1

Application of GPS for Sag Measurement of Overhead Power Transmission Line

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Abstract

Overhead conductor sag may be measured by different methods. In the paper measurement of sag of 66KV power transmission line under shut down conditions at no wind load using standard handheld GPS receiver BT 359 has done. The real time direct measurement of overhead conductor sag is needed for the operation of power transmission system. The measurement of conductor tension, temperature and ambient weather conditions are not required to monitor in this method. The digital signal processing (DSP) techniques is used to get better accuracy of GPS measurements. The Least Square Parameter Estimation (LSPE) method for the error estimation of GPS measurements is also incorporated.

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