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Ground distance protection philosophies will affect how ground distance is applied to protect transmission lines. This paper will explore some of the common philosophies and demonstrate under which conditions each philosophy should be used. Some of the philosophies to be explored are resistive ground fault coverage, the use of Quadrilateral verses Mho characteristics, supervision and polarization...
This paper presents new multi-ended method for locating faults on the transmission lines and incorporated into line current differential relay. Single-ended methods are impacted by too many factors, which makes them unreliable for operating personal. It was demonstrated in this paper that new fault location method based on the synchronized line current differential measurements gives significant advantage...
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