The Coorparoo substation was unmanned, and was equipped with an 11kV Oil Circuit Breaker.
2.
In larger ratings, oil circuit breakers rely upon vaporization of some of the oil to blast a jet of oil through the arc.
3.
"' Josephine Webb "'( born June 21, 1918 ) is an American electrical engineer who obtained two patents for oil circuit breaker contact design, known colloquially as " switchgear ".
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