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Short circuit warning on underground diesels

DURING a routine regulatory detailed internal electrical inspection by the Queensland Mines Inspectorate of on an underground loader, it was found that the short circuit protection would not trip the alternator when the positive and negative supply cables where shorted together.

Lou Caruana
Short circuit warning on underground diesels

Further testing on other diesel vehicles revealed the same condition.   Preliminary investigation has found there to be an issue with the cable cross sectional area and length affecting the fault...

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