31
|
Which type of
stepper motor is generally operated by two phase?
|
PM
stepper motor
|
|
32
|
|
The
direction of the stepper motor is independent of polarity of stator current.
|
|
33
|
Which factors
greatly affects the torque in the stepper motor?
|
The
torque in the stepper motor depends upon the step rate, types of drive and
the drive current in the winding.
|
|
34
|
State the value of
step accuracy of the step motor.
|
3
to 5 % of one step
|
|
35
|
Explain the term :
Step position error
|
Step position error
|
|
36
|
Explain the term :
Holding torque
|
Holding torque
|
|
37
|
Explain the term :
Detent torque
|
Detent torque
|
|
38
|
Explain the term :
Pull in torque and Pull out torque
|
Pull in torque
Pull out torque
|
|
39
|
Explain the term :
Accuracy
|
Accuracy
|
|
40
|
Explain the term :
Maximum slew rate
|
Maximum slew rate
|
|
41
|
Describe the
importance of pull in and pull out curve of the stepper motor.
|
Importance of Pull in
curve
Importance of Pull
out curve
|
|
42
|
What is resonance
frequency in the stepper motor?
|
Resonance frequency
|
|
43
|
How to eliminate
effect of resonance in the stepper motor?
|
The
effect of resonance is eliminated by using mechanical dampers, drive circuit,
electronic circuit or changing step angle.
|
|
44
|
State the
applications of the stepper motor.
|
Applications
|
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