why there is spacing between two rails in railway?

3 Answers   DS Group, RRB,

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what is the differnce between ac and dc?

5 Answers  

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derive the e.m.f equation of transformer

2 Answers  

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what is the difference between CT and CVT in EHV Sub Stations

4 Answers   Hofincons, Lanco, TATA,

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Why alternators are designed at 0.8 pf lag?

3 Answers  

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How to calculate the current carrying capacity of electrical cables

16 Answers   Barqaab, Grasim, Havells, HM Cables, Janapriya, Polycab,

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considering the 3phase and single phase ac system the load applied and the volage given is same...will the current differs for both the cases are it wil remain same?

5 Answers  

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I have suguna 3 hp pump for my agreeculture work.It deliver the water from 45 feet well .I suffered by powercut.During powercut i got 2phase supply only .My question is can i run the pump in 2 phase supply using capacitor?.Can u explain me how to connect the capacitors?

2 Answers  

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2 Answers  

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Why in celling fan stator are rotatig while rotor are steday

6 Answers  

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what is the different between surgearrester and lighting arrester

4 Answers   HPCL,

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What is the value of 3 phase voltage?

8 Answers   RECPDCL,

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