A Digital Ground Distance Relaying Algorithm to Reduce the Effect of Fault Resistance during Single Phase to Ground and Simultaneous Faults

Majlesi Journal of Electrical Engineering

مقاله 7، دوره 9، شماره 1، خرداد 2015، صفحه 85-92   

نوع مقاله: Review Article

نویسندگان

Mohammad Razaz^* ؛ Seyyed Ghodratollah Seifossadat؛ Morteza Razaz؛ Mahmood Joorabian

Department of Electrical Engineering, Shahid Chamran University of Ahvaz, Iran

چکیده

This paper intends to provide an algorithm of fault resistance compensation for digital ground distance relay considering the voltage and current transformer effects. Performance of the conventional ground distance relaying manner is adversely affected by different ground faults and also typical type, called a simultaneous open conductor and ground fault. The proposed scheme by using local-end data only, has shown satisfactory performances under wide variations in fault location, with different values of fault resistance and having positive and negative of power transfer angle. The presented method which has been carried out on the IEEE 14 bus benchmark is executed in PSCAD/EMTDC and MATLAB software and the results show the accurate performance of mention configuration. 

کلیدواژه‌ها

Digital Ground Distance Relaying؛ en؛ Fault Resistance Compensation؛ Voltage and Current Transformer؛ Single Phase to Ground Fault؛ Simultaneous Open Conductor and Ground Fault

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