Operate Alternators, Generators. Test 3
Operate Alternators, Generators. Test 3
If a total short circuit occurs on a 3 phase alternator and the short-circuit trip fails to operate, what back-up safety device will activate ?
The Main as well as the Emergency switchboard are panels where the electric power is _____
For an overload of 25 % of the full rated current how long compared to tripping a circuit breaker would a fuse take to blow ?
How many seconds time delay is considered normal before a generator's Reverse Trip Relay operates ?
A generator's Reverse Power protection relay is fitted between _____
When parallel running alternators, what effects the reactive power of each alternator (kVAR) ?
The ship's insulation meter indicates a low resistance in the electrical distribution system, which of these is the most likely cause.
The phase to phase voltage of a Star connected alternator is 254.34 Volt. What is the equivalent line to line voltage ?
What are the functions of the Under Voltage Release Unit on the generator circuit breaker?
If the governor of the driving machine of an alternator malfunctions, which safety device will trip the main breaker?
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