Answer / g.esakkimuthuraman

AC because AC arc current come to zero but DC arc current does not come to zero so it will take some time compared with AC.

why constant voltage transformer should be start without load? and if started then what will happen?

0 Answers  

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What is Automatic Voltage regulator(AVR)?

6 Answers   Cummins,

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

0 Answers   HAL,

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how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

3 Answers   Bhel, RR Kabel,

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Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it?

3 Answers  

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i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

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from 33kv to 440v 2mva transformer how much full load current will be at ht side and lt side and which range of ctpt will be used?

1 Answers  

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-----------means a source which can supply a constant voltage to aload irrespective of the valu of load resistance.

2 Answers  

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What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?

0 Answers  

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earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

0 Answers  

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what is hystersis loss?

3 Answers  

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what is difference between earth fault& restricted earth fault.

3 Answers  

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