Answer / raghu

In a transmission line the current in the conductor does not
pass through the core of the conductor(not more)& passes
through the outer layer of the conductor.due to this the
surrounding air get ionize making hissing sound

Answer / varun

In electricity,the corona discharge,is an electrical discharge brought on by ionization of a fluid surrounding the conductor,which occurs wen the potential gradient exceeds the certain value,and insufficient condition to produce breakdown or arcing.

Answer / guest

it is a some kind of loss in trsnsmission side hizzing sound
effect

how can we calculate ct ratings ?its any formula ?

3 Answers  

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What is the different between earthing & Neutal

3 Answers  

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What type of core material is used for metering C.T and protection C.T???

0 Answers   Bhel,

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In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

0 Answers  

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what work will do diffrential realay DG set

0 Answers   IG Petrochemicals Ltd,

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why dose not transformer not rotate ?

3 Answers  

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Give some differences between open loop and closed loop?

0 Answers   Ericsson,

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how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

0 Answers  

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difference between moore and mealy model

2 Answers   Google, IBM, TCS,

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Which type of DC generator is used for electric welding purposes and why?

1 Answers  

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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