Impact of GCSC on IDMT directional overcurrent relay in the presence of phase to earth fault

Impact of GCSC on IDMT directional overcurrent relay in the presence of phase to earth fault

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This paper presents the shure blx2 h10 impact of GTO Controlled Series Capacitor (GCSC) parameters on the Inverse Definite Minimum Time (IDMT) Directional Overcurrent Relay (DOCR) based on the International Electrotechnical Commission (IEC) standards.The DOCR is used to protect a single 400 kV transmission line of the Algerian transmission network u60 hisense price which belongs to the Algerian Company of Electrical and Gas (Group Sonelgaz).The effects of GCSC on transmission line protected parameters as well as fault current and DOCR operation time in the presence of phase to earth fault with fault resistance are investigated considering three scenarios.