Proceedings PaperFibre Optics In Electricity Substations Their Application To Power System Protection And Control
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The development of a fibre optic based digital communication system for use in power system protection and control equipment for use within electricity substations is discussed. Emphasis is given to systems wholly within the substation confines and their interfacing to public and private multiplexed telecommunication systems. Particular reference is made to the system used in a Current Differential Protection for EHV transmission circuits.