| 摘要 |
A sparkgap assembly for a surge voltage arrester is provided with arc-elongating teeth and arcing chamber wall means that, in combination, afford an optimum heat sink arrangement for cooling and extinguishing arcs formed therein by sparkover of the arrester. The characteristic heat sink means of the assembly operates to stabilize its mechanical and thermal characteristics so that the re-seal voltage of the arrester is increased without developing excessive arrester arc voltage, thus, affording performance characteristics that were not possible with prior art sparkgap assemblies.
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