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WorksheetsAC Generator Quiz 3
Total questions: 10
Worksheet time: 2mins
It is the sudden voltage drop in the generator windings due to load current surges on the generator.
voltage dip
voltage regulation
voltage terminal
voltage source
What are the functions of an automatic voltage regulator? (Choose three)
overvoltage protection
rapid response time with voltage stability
undervoltage protection
overheating protection
power amplification
It describes how often or how frequently a complete AC waveform is produced.
frequency
speed
period
time
What is the typical voltage ratings of main generators?
440V, 60Hz
220V, 60Hz
208V, 60Hz
120V, 60Hz
Power ratings of emergency generators ranges from ___________.
10kW to 100kW
20kW to 200kW
100kW to 2MW
10kW to 100MW
To find the effective value (rms), ______________.
multiply the peak value by 0.707
multiply the peak value by 0.636
multiply the peak value by 1.414
divide the peak value by 0.707
Impedance is usually denoted by what letter?
Z
Y
R
delta
Another term for ac generator.
alternator
commutator
armature
stator
It is easier to insulate stationary armature winding than the rotating field winding.
TRUE
FALSE
What type of rotors are usually used in large power, high speed turbine drives?
cylindrical type
salient type
armature type
general purpose rotor type
