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The arc characteristics are key problems for designing of parallel gaps. Laboratory testing on arc characteristics is significant for accurate arc modeling, and electromagnetic transient problems simulation caused by short circuit fault in parallel gaps. In the paper, the experimental system to study the characteristics of long arc between parallel gap was built, which generated the arc with the initial...
This paper proposed an unbalanced insulation design to prevent the multi-circuit flashover of multi-circuit lines. When multi-circuit transmission lines were struck by lightning, two or more circuits may flash over in the same time, which would bring a serious impact on the power grid. Traditional unbalanced insulation design to reduce the double-circuit flashover rate of double-circuit transmission...
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