Showing posts with label DIFFERENCE BETWEEN SYNCHRONOUS AND INDUCTION MOTOR. Show all posts
Showing posts with label DIFFERENCE BETWEEN SYNCHRONOUS AND INDUCTION MOTOR. Show all posts

DIFFERENCE BETWEEN SYNCHRONOUS AND INDUCTION MOTOR

Topic
INDUCTION MOTOR
SYNCHRONOUS MOTOR
Design
simple
complex
Self starting
yes
no
speed
Runs at lower speed than synchronous motor
Always constant speed
Excitation
Not needed
Separate dc excitation
Load vs speed
Load increases, speed decreases
Speed stays constant with increase in load
Hunting effect
present
absent
maintenance
No special maintenance
Requires special maintenance
pricing
cheaper
costlier
Speed control
possible
Not possible
 usage for         pfi

         no
 yes, as a synchronous condenser



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