If your meter readings appear incorrect, what do you
do?
Compare with a known good meter
What is synchronous speed?
The rotational speed of the stators magnetic field on an
Induction motor.
What is the purpose of interpoles?
They prevent neutral plane shift
What shifts the neutral plane in the direction of
rotation in generators?
Armature reaction
420 pg 4
What reduces eddy currents in the field pole pieces?
Laminations
420 pg 7
What is saturation?
When no more magnetic lines can be produced.
415 pg 6
What waveform does a commutator produce?
Ripple unlike slip rings
415 pg 15
What should you do when changing meter ranges?
Disconnect meter from circuit
What item would reduce the risk of shock when taking
voltage readings?
Insulated hard hat
0.49k ohm converted