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H192011 Pages: 2

Explain the torque-speed characteristics of SRM with necessary diagrams
What are the modifications to be made in DC series motor to operate it in AC
supply?
PART D

Answer any two full questions, each carries 10 marks.
Explain the principle of operation of PMBLDC motor for 180° commutation
with neat circuit diagram.
With necessary diagrams explain Longitudinal flux linear switched reluctance
motor and Transverse flux linear switched reluctance motor.
Derive the torque equation of PM BLDC motor

Derive the expression for linear force.

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