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Arun G Phadke: Distance relay for electric power transmission lines. Pennie & Edmonds, April 3, 1979: US04148087 (37 worldwide citation)

A distance relay system for a three-phase electric power transmission line comprises means for producing positive, negative and zero sequence symmetrical component voltages from the phase voltages of the line, and means for producing positive, negative and zero sequence voltage drops from the corres ...


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Damir Novosel, Arun G Phadke: One-terminal data fault location system and process for locating a fault. ABB Power T&D Company, Woodcock Washburn Kurtz Mackiewicz & Norris, August 26, 1997: US05661664 (21 worldwide citation)

A one-terminal process for locating a fault associated with a transmission system is disclosed. The process is based on the principle fault sequence can be determined by a distribution factor in positive faults may be any defect among phases or ground. The process begins by one end of a transmission ...


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