Abstract
This paper presents the results of arc investigation for a number of materials when they were used as high breaking capacity (HBC) fuse fillers. Aluminum hydro-oxide, boric acid, zinc oxide, titanium oxide, and boron trioxide have been investigated and their prospects as filling media in high-voltage, high breaking capacity fuses have been explored. The results of these tests are compared with those on silica sand at high currents. This study demonstrates that silica sand is a far superior filler in HBC fuses for heavy current interruption than the compounds tested.
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