SWITCHED RELUCTANCE MOTOR
INTRODUCTION
Switched
reluctance motor (SRM) is electromagnetic and electrodynamics equipment which
converts the electrical energy into mechanical energy. The electromagnetic
torque is produced on variable reluctance principle. SRM makes use of
v Power
semiconductor switching circuitry and
v Rotor
position sensor.
SRM is
singly excited and doubly salient electrical motor. This means that it has
salient poles on both the rotor and the stator but the only one member carries
winding. The rotor has no winding, magnets and cage winding but it is build
from a stack of salient pole laminations.
v Its
construction is simple and robust
v It
requires less maintenance
v Its
overall efficiency is better
v It is
flexible control driving motor as motoring mode generating mode of operations
of the machine can be easily achieved,
In the
light of above it is a competitive motor variable speed dc motor and variable
speed 3 – phase cage induction motor.
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