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Journal: IEEJ Transactions On Electrical And Electronic Engineering
Lightning activity in Indonesia in very high, and the ratio of lightning tripouts of the transmission line is very high, reaching 66%. The results of our investigation show that a positive correlation exists between the number of lightning tripous on a 150-kV transmission line and the tower-footing resistance and that the main cause of the tripouts is the back-flashover. Moreover. it turns out that the flashover at the lower arm increases in case of high tower-footing resistance
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