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Author: search.filters.author.Srivani Iyengar, S.G.Subject: search.filters.subject.Series compensation

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    Adaptive distance relaying scheme in series compensated transmission lines
    (2010) Srivani Iyengar, S.G.; Vittal, K.P.
    The introduction of the capacitance in series with the line reactance adds certain complexities to the effective application of impedance based distance relays. The paper reviews series compensated line protection challenges and proposes the state of art relay with an integrated scheme in harmony with the present power system scenarios Development of the proposed scheme is in the specific area of incorporating the adaptive features like adaptive Relay setting as the compensation level changes in the series compensated lines of the transmission system for optimum reliability. Upon extensive testing on different data set of fault cases with fault resistance and varying percentage compensation level, performance of the developed method ensures that the proposed scheme overcomes the overreach / underreach problem of the distance relay in series compensated lines and is found to be quite promising.
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    Integrated adaptive reach setting of distance relaying scheme in series compensated lines
    (School of Electrical Engineering and Informatics, 2010) Srivani Iyengar, S.G.; Vittal, K.P.
    The protection of series compensated lines is considered to be one of the most difficult tasks. The paper reviews the series compensated line protection challenges initially and presents state of art solution to improve the distance relay performance. The work describes the development and evaluation of an integrated adaptive distance protection scheme. Development of the adaptive scheme is in the specific area of incorporating the adaptive feature like adaptive reach setting of the relay as the compensation level changes in the series compensated lines, for optimum dependability and security of the protection system. The relay adapts its characteristics according to the informations received from the communication unit. Upon extensive testing on different data set of fault cases with fault resistance and varying percentage compensation level and fault location, performance of the developed method ensures that the proposed scheme overcomes the overreach/underreach problem of the distance relay in series compensated lines and is found to be quite promising.
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    An integrated adaptive distance relaying scheme in series compensated transmission lines
    (Universitatea Politehnica din Timisoara blucretiu@yahoo.com, 2011) Srivani Iyengar, S.G.; Vittal, K.P.
    The introduction of the capacitance in series with the line reactance adds certain complexities to the effective application of impedance based distance relays. The paper reviews series compensated line protection challenges and present modern solution to improve the distance relay performance. The work presents development and evaluation of an integrated adaptive distance protection scheme. Development of the proposed scheme is in the specific area of incorporating the Adaptive features like adaptive Relay setting as the compensation level changes in the series compensated lines of the transmission system for optimum reliability. Upon extensive testing on different data set of fault cases with fault resistance and varying percentage compensation level, performance of the developed method ensures that the proposed scheme overcomes the overreach/underreach problem of the distance relay in series compensated lines and is found to be quite promising.