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 permissible sound level for 1000kva DG set and how the sound level is calculated.

1 Answers  

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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How do I calculate/select Droop CT ratio for various capacity of generators?

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what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

0 Answers   IIT,

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How to calculat size of copper & aluminium ?

6 Answers  

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i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side

2 Answers   Modern Terry Towels,

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

0 Answers  

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what happend if we remove dc exciter from moving machine..: gg

4 Answers  

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why designer use kva rating instead of kw in transformer rating???????????????

9 Answers  

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how we can find out the speed of fan without using any measuring instrument

2 Answers  

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what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

0 Answers  

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how to calculate the size of the HT cable

0 Answers  

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