Operate Alternators, Generators. Test 18
Operate Alternators, Generators. Test 18
When synchronising a generator what does clockwise movement of the synchronising dial indicate?
Two generators are running in parallel. Generator one is delivering 300 Amps more than the second generator. What is the best course of action ?
How would you test the insulation on an AC motor?
What is the purpose of thermistors fitted to motor windings?
When would you undertake resistance tests on an AC motor?
Why are alternator poles fabricated in laminated form?
Which area of the DC generator requires the most maintenance?
Sparking and grooving of the commutator in a DC motor may be caused by _____
A six pole 50Hz three phase induction motor has a full load at 950 rpm. What will the speed of the motor be at half load?
A motor controlled by thyristors is to be tested. What precautions would you take ?
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