Simulation Of Back-Flashover Caused By Lightning - Gouda, Ossama
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Lightning strokes represent a considerable cause of short interruptions in overhead line transmission line networks. The over voltages caused by lightning cannot be avoided but their influence can be limited by appropriate overvoltage protection. Lightning is one of the main causes of problems on transmission lines; this is usually happening when a stroke hits: the phase conductor, the ground wire or directly the structure. If the first case occurs, the line may have a shielding failure. Meanwhile in the second or third cases, there may be a back flashover, which generally depends on a high…mehr

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Produktbeschreibung
Lightning strokes represent a considerable cause of short interruptions in overhead line transmission line networks. The over voltages caused by lightning cannot be avoided but their influence can be limited by appropriate overvoltage protection. Lightning is one of the main causes of problems on transmission lines; this is usually happening when a stroke hits: the phase conductor, the ground wire or directly the structure. If the first case occurs, the line may have a shielding failure. Meanwhile in the second or third cases, there may be a back flashover, which generally depends on a high footing resistance value and the tower surge impedance. This book studies the factors affecting the back flashover of transmission line networks, which have steel towers with overhead ground wires.
Autorenporträt
Dr.Ossama El-Sayed Gouda is the professor of electrical Power engineering and high voltage in the Dept.of Electrical power,Faculty of Engineering,Cairo University since 1993.He conducted more than 110 papers in the field of Electrical power and High voltage engineering.Now he is the head of High Voltage Group,Cairo university