International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 7 Issue 7, July 2018


Superimposed TMI Based Symmetrical Fault Detection during Power Swing

Phaneendra Inti | Kumarraja Andanapalli


Abstract: Distance relays are mal-operated during power swing condition as they are blocked in that period. Though, a fault occurs they must be unblocked to clear the fault event with high degree of reliability. This paper presents an incipient technique for symmetrical fault detection during power swing using superimposed based transient monitor index (TMI) currents. In this regard, initially transient monitor index (TMI) currents are estimated by taking difference between the predicted current samples regenerated from the dynamic phasors and the actual sample values, helps to distinguish the fault from the power swing condition [12]. To obtain robust discrimination between faults and swing the algorithm is further implemented by processing TMI values into superimposed TMI values. Simulation results are carried out in MATLAB environment by considering different fault situations and results designate how the inhibitions of subsisting methods are overcome by the proposed method.


Keywords: Distance relay, Power swing, Symmetrical faults, Superimposed currents, transient monitor function


Edition: Volume 7 Issue 7, July 2018,


Pages: 250 - 255


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How to Cite this Article?

Phaneendra Inti, Kumarraja Andanapalli, "Superimposed TMI Based Symmetrical Fault Detection during Power Swing", International Journal of Science and Research (IJSR), Volume 7 Issue 7, July 2018, pp. 250-255, https://www.ijsr.net/get_abstract.php?paper_id=ART20183593

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