Answer / prakash g.r.

It is a approx. method (ie) 2 A/mm2 for copper in air.

Answer / raju

resistance r=l/a, length/area of cross section then we get the
resistence value...so using ohms law we can solve the problem

What is the important parts of SF6?

2 Answers  

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which technique servo motor tested o.k or faulty ?

1 Answers   ABB,

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What is the Difference Between MCCB & ACB & VCB

3 Answers  

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difference between elcb and rccb

3 Answers   ITC Infotech,

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1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

5 Answers   TATA, Wipro,

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If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

0 Answers  

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2 Answers   NPCIL,

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

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what is the difference between induction and synchronous motor?explain in simple words?why 3 phase motor is given preference over single phase motor.

10 Answers  

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State the frequency for rc phase shift oscillator?

0 Answers  

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how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 Answers  

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How Calculat the Cable Sizing of HT/LT System & Explian by one Exampal?

1 Answers   Siemens,

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