Application of Data Communication to the Detection and Correction of Power System Faults
A. Recioui, M. Lograda and K. Chettah
Laboratory Signals and Systems, Institute of Electrical Engineering and Electronics, University M'hamed Bougara of Boumerdes, Av. de l'Indépendance, 35000 Boumerdes, Algeria
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Data communication is an important part in modern industrial processes and is necessary in automation, monitoring, and protection purposes. This paper aims at designing a real time communication between two computers for interchanging the state of a three phase circuit to emulate a transmission line protection system in power substation. The circuit designed in Proteus ISIS is based on "symmetrical component theory" and the algorithm for exchanging data between two computers is built using TCP/IP protocol in LABVIEW environment. The application consists of monitoring and controlling three phase lines by sending the data collected to one of the computers and sending the commands back to trip relays if any fault is detected. The purpose is to prevent the propagation of this fault and to connect other sources to maintain the flow of power to the load.

DOI: 10.12693/APhysPolA.132.819
topics: power system faults, data communication, fault detection, symmetrical components, LABVIEW