Answer / chander shekher

VCB & ACB are required for protection of electrical equipment/system.
VCB protects for over load, Earth Fault, Short Circuit,for HT Supply
whereas ACB are used for overload, earth fault & Short circuit for LT Supply

i want to know that what is the eligibility critaria for ongc exam?

0 Answers  

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as per IE stranded what is max voltage between neutral to earth. 100 kva transformer neutral solid earth. min and max values i need to ans for RTI question

2 Answers  

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In 11KV Double pole structure for each phase we are using Disc one Insulator. Why we are not using 2 r above insulators instead of one insulator?

4 Answers   Genus,

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how to make neutral to ground voltage less than 5v? my house is under the high voltage transmission line so,proper grounding using rod salt n coal doesnt help me..so wat i do as i cant operate my computer ..this high voltage cause great problem to the motherboard i already two times replaced it.in my house voltage is coming near to 25 v between ground and neutral.plz kindly post ur answer to my email id manish77777@gmail.com ..

3 Answers  

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what is general test conduted by transformer

8 Answers   Wipro,

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If there is volagte between earth and neutral, what should be the reason ? and solution * What should be allowable limit in case, if the voltage between earth and neutral exist ? / OR what is limit for safe voltage between earth and neutral?

3 Answers  

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what are the disadvantages of leading P.F(power factor)?

2 Answers  

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why transformer neutral and CT Secondary neutral is connected to earth?

3 Answers   NCC,

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what is active power & reactive power?

0 Answers   Avtech, Jindal,

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what is auxilliary transformer??

3 Answers   Bhel,

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why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA

3 Answers  

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