Proceedings of the Symposium on Design and Protection of 400 kV Transmission Lines and Substations Held at New Delhi on 17-19 April 1978. Volume III: Technical Papers on Protection of Transmission Lines and Substations

摘要

;Contents: Protection of 400 kV A.C. systems; Protection of extra high voltage transmission lines of rating 420 kV; Digital protection and control of power systems; Bus protection for 400 kV substation; PLC systems for teleprotection; Transmission of teleprotection signals for high speed direct tripping on Dehar-Panipat 400 kV line under Beas Project; Neutralizing transformer--a protective device for communication circuits entering power stations; Protection of control cables against induced voltages in EHV substations; Switching surge calculations in EHV systems; and Modern high-speed-protection of UHV and EHT transmission lines.