Engine_2014 : Electricity - 62/2299
|
|---|
| « Previous Question |
| A main switchboard synchronizing panel is fitted with two synchronizing lamps and a synchroscope. When paralleling, if the synchroscope pointer is at the noon position and one synchronizing light is bright while the other remains dark, what does this indicate? |
| A) the incoming generator voltage is too low |
| B) the generators are out of phase sequence and one lamp is burned out |
| C) the generators are in phase sequence but one lamp is burned out |
| D) the generator breaker may be closed |
loading answer...
| Comments |
|---|
| There are no comments for this question. |