AC motor characteristics require the applied voltage to be proportionally adjusted by an AC drive whenever the frequency is chan
2 answers:
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Answer:
a) Under damped
Explanation:
Given that system is critically damped .And we have to find out the condition when gain is increased.
As we know that damping ratio given as follows
Where C is the damping coefficient and Cc is the critical damping coefficient.
So from above we can say that
From above relationship we can say when gain (K) is increases then system will become under damped system.
Take a look at the pictures that should help you out.
