Answer / krishna kumara shetty

A= ((sqrt i^2)*t)/ k ......?

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

0 Answers   APTransco,

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as we see that in our country the power rating for transmission is always rated in multiple of 11 like 11kv,33kv,66kv132kv. So i want to know wht is reason or logic here.

2 Answers  

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why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 Answers   ABB, KVPY,

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How does the phase sequence controller works, how it identifies the phases? confirm working principle

0 Answers  

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why earth hole size is biggest in socket point.

5 Answers  

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Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

0 Answers   HAL,

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What is the difference between Neutral and Earth

6 Answers   Bhel,

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What Should I Know about Metering, Switchgear and Panels?

2 Answers  

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What is the differences in phase to phase voltages between star and delta connections of stator?

1 Answers  

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in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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What is the application of Dyn1 and Dyn11 vector group of transformer?

0 Answers  

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what is working of no & nc.

8 Answers  

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