When a 33kv circuit breaker at Dorowa mines trips, an operative and his/her two assistants has to... more When a 33kv circuit breaker at Dorowa mines trips, an operative and his/her two assistants has to drive eighty kilometres to reset and close the breaker. In eighty five to ninety per cent of the time the fault is only transient, given that the Dorowa mine feeder is an overhead line.
When a 33kv circuit breaker at Dorowa mines trips, an operative and his/her two assistants has to... more When a 33kv circuit breaker at Dorowa mines trips, an operative and his/her two assistants has to drive eighty kilometres to reset and close the breaker. In eighty five to ninety per cent of the time the fault is only transient, given that the Dorowa mine feeder is an overhead line.
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