Engine : Electricity - 250/1386 |
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Prior to closing the circuit breaker when paralleling two DC generators, what must you be certain of? |
A) voltage of the incoming machine is at or slightly above the bus voltage |
B) synchroscope needle is revolving slowly in the 'fast' direction |
C) frequency of the incoming machine is slightly higher than the bus frequency |
D) current from the incoming machine is the same as the bus current |
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