Substation Protection and the Climatic Environment of Niger Delta

John Tarilanyo Afa

Journal of Asian Scientific Research, 2013, vol. 3, issue 3, 321-327

Abstract: Substation protection is one of the most important schemes in power system. Rainfall, Humidity, Temperature and contaminations do not produce over voltage but are capable of lowering the flashover voltage and affect the operation of the equipment.The aim of the study was to identify the climatic factors especially the average lightning days and / or ground flash density so that substation designed for the area will always follow the required or proposed index of lightning resistance for substations.The average rainfall, humidity and temperature for the area were recorded so that proper and safe selection of substation equipment could be made.From the records it was seen that the most crucial in the protection scheme was the direct and indirect (induced) lightning over voltage

Keywords: Shielding angle; Ground flash density; MOV arrester; Zone of protection; Direct stroke. (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:asi:joasrj:v:3:y:2013:i:3:p:321-327:id:3478

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