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Field experience indicates that cables buried in soil either directly or in a non-metallic pipe can be at risk due to nearby lightning strike to ground. The triggered lightning experiments provided valuable quantitative information on the subject. There are many questions posed by these observations which motivated a detailed analysis of the electric stress on the cable jacket/sheath, the outer water...
Availability of land for conventional air-insulated substations is becoming increasingly difficult not only in urban but also in semiurban areas. When the land made available is highly uneven, the associated technoeconomic factors favors the erection of substations on a steplike-formed ground surface and such constructions are in service for more than ten years in some parts of southern India. Noting...
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