MEA experienced power failure problem for long periods of time in underground cable system, which is the main line from the analysis, it was found that cause most of the power failure occurred at the overhead line, which is a separate circuit from the lateral underground cable and overhead line, although it is protected with a Fuse Type K, but I found that when the short circuit occurred after the fuse as a result, the substation protection system work, or with a fuse as a result, the main line, which is an underground electrical fire occurred with the cable and therefore affect the clients.
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