Answer / ajay

follwing resion to use servo motor insted of induction motor
but only some cases where more accurate speed want
ex.positioning system,printing m/c,robotics m/c,etc

1>speed accuracy.
2>high torque at low speed
3>do not speed drop at high load.

if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

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draw the block diagram of fire alarm?

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What is meant by pitch of a synchronous machine.??

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how megger step up the DC voltage

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How much must be gape bitween 2 cable on cable tray?

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What is ST and specify its range of voltage.

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in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

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How is operate breaker failure scheme in substation

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If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

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What is difference b/w fuse and breaker?

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