Answer Posted / nestor s.

Servo motor is a motor that gives an exact positioning and
send feedback. The advantages of this motor over induction
motor are , it can be used in positioning, have a constant
or high torque in starting, sends feedback for speed and
positioning, can be used in industrial machineries which
needs precise positioning.

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2038

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How to set the relay,,??

2108

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

2293

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2284

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how give earthing conection to household equipment?

2048

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how to get bearing & winding temperature of an induction motor?

2045

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Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1985

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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2668

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some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

1775

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Why we are use dol starter up to 10 hp

1391

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Give some differences between open loop and closed loop?

1122

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what is the difference between an alternator and a synchronous motor

2034

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How to size Air Circuit breaker (ACB)? What is the most important factors?

2275

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What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?

1430

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How cmd is calculated in case of energy neters

1925

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