Answer / percy

yes there is a difference in current carrying capacity as
dc current spreads in whole conductor area and the ac
current density is not uniform and hence the resistance in
ac will be high in case of AC

what is different between grounding and earthings?

4 Answers  

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what is H.T?specify the range?

6 Answers  

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what is per unit calculation?looking for simple and strong explanation thk u

0 Answers  

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WAHAT IS ELECTRICITY

5 Answers   Vijai Electricals,

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What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

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in shunt clippers why a resistor is used in sereis with the input

0 Answers  

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what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

0 Answers   Areva,

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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importance of air gap in transformer

5 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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