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Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 9 (Q.No. 24)
Automatic Control Systems
24.
Consider the following statements about variable reluctance stepper motor used in control system
  1. The static torque acting on rotor is a function of angular misalignment between stator and rotor teeth
  2. There are two positions of zero torque i.e, . Q = 0 and where T is the number of rotor teeth
  3. Both zero torque positions are stable
  4. When stator is excited, rotor is pulled into minimum reluctance position
Of these statements, the correct ones are
2, 3, 4
1, 2, 3
1, 2, 4
1, 3, 4
Answer: Option
Explanation:
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