Answer / hari singh

to control input and output .

Answer / pratap

To control the output (or) to get the desired output.

Answer / n.bharat mohan

control systems are mainly designed to make any variation in the output will be reflected in the input so as to obtain a desired output.for example in our daily life if a action is performed daily then the action when done at the starting day when compared to first day will be improved similarly we can observe in other days also (vehicle driving,cooking,reading etc)

what is the effect of power factor of machines in starting current

0 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

6 Answers  

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Why corona takes place?

4 Answers   L&T,

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diffrence between alternating and pulsating field?

1 Answers  

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I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

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why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?

1 Answers   Electrical,

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How much current in 100 kva Transformer HT & LT side

1 Answers  

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How to convert a two phase power into a three phase power in induction machine?

0 Answers  

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What do you mean by per capita requirement of electrical energy in india

0 Answers   Tech Mahindra,

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During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

7 Answers   ABB, SDBL,

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HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

0 Answers   Siemens,

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give types of Air conditioners commonly used &its use?

5 Answers  

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