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The paper presents a decision tree (DT) induced fuzzy rule-based intelligent differential relaying scheme for transmission lines including unified power flow controller (UPFC) and wind-farms. The conventional distance relaying scheme fails miserably in protecting transmission lines including flexible AC transmission systems controllers such as UPFC and further, the protection issues become more challenging...
An experimental evaluation of a power differential relay is conducted and the results are described. The experimental setup consists of a generator connected to the network via a transmission line protected by the power deferential relay. The relay input signals, fundamental active and reactive powers, are locally computed from the complex product of the current and voltage phasors at each end on...
This paper is focused on the analysis of numerical protection algorithms applied to transmission lines with series compensation. Particularly, the analysis evaluates the behavior of numerical distance protection relay algorithms, The simulation of the distance algorithm routines is based on two different techniques: the one cycle discrete Fourier filter and the filter based on the line differential...
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