How test for Ddo vector group test condition?

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what is the importance of creepage distance in disc insulators

1 Answers  

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What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

0 Answers  

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How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

0 Answers  

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How eddy current generation support the idea of train braking?

0 Answers  

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Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?

6 Answers  

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derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 Answers  

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what is the function of RVT

4 Answers   RMSI,

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what is the difference between effective earthing and resistive earthing?

3 Answers   REL,

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what shoud be strength and weakness to impress interviewer????????

0 Answers  

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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