What is the method of estamating of cable, CB,MCB ?

0 Answers  

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Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

0 Answers   Sterling Wilson,

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what is the function of breather in a transformer

29 Answers   Areva, Bhel, RKM Powergen, Vijai Electricals,

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What is difference between start imitation and start interlock for 3 phase motor protection ?

0 Answers   Siemens,

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what is the purpose of supervision relay coil

1 Answers  

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Define what is difference between fuse and breaker?

0 Answers  

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if dc motor can operate by ac supply ? if its possible means how ?

2 Answers  

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how to select the double earth conductor if 21A full load?

0 Answers   L&T,

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in communication what is the role of elelctrical engineer?

3 Answers   Quippo, Reliance,

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what is difference b/t ac current and dc current

4 Answers   L&T, Meghana Engineers,

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what is the significance of 3.5 core cable? or what does this half core mean and why is it required?

5 Answers  

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what is the different betweem earthing and neutral?

8 Answers  

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