It is concluded that the range of values obtained are considered to comply with the standards. It was found that all of the strategies generated the similar transient overvoltage. This is done through a comprehensive study that used different strategies. It is found that with the identification of overvoltage, the rate of failure of substation can be determined. The main objective of this paper is to create a suitable model of tower which considers propagation of surge, airgap leaders of two types and footing resistance phenomenon. This paper examines the effects of lightning strokes in an electrical network and attempts to analyze two different frequency dependent (FD) models of metal oxide surge arrester following the IEEE standards. They are very reliable devices that are able to offer decades of service without causing any problems, if only they are properly designed and configured. The plotting facility of the program makes it an excellent tool for understanding and visualizing the effects of transients in power systems. protection data with the PSSE time-domain transient stability program. Transient Program/Alternative Transients Program (EMTP/ATP) is a general purpose software for simulating transient phenomena in power systems and for power system analysis. A surge arrester is used to protect the equipment of transmission and distribution systems from the effects of lightning and switching overvoltage. PSSCAPE (previously known as Electrocons CAPE software) supports transmission.
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