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This paper describes a synchronising and scheduling system for wide area synchronised data acquisition applications and fault location in power systems, using Global Positioning System (GPS) technology. The system hardware features a commercial GPS receiver, serial communications link for a host computer, and a dedicated programmable real time clock with programmable trigger features. Details are given of the design and implementation of these features using programmable logic array (PLA) technology.
Africon Conference in Africa, 2002. IEEE AFRICON. 6th (Volume:2 )
Date of Conference: 2-4 Oct. 2002