how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

0 Answers   NTPC,

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what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

0 Answers   Tata Power,

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what is direct dischage of power transformer

1 Answers  

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1. When do you use a VFD motor? 2. If the ceiling fan is on slow speed, does it consume less electricity? 3. If we want the fan to consume less electricity at low speed, what do we have to do? 4. What does “battery of 180 AMP HOUR” mean to you? 5. What does “battery of 180 AMP HOUR” mean to you? 6. If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

6 Answers   Asian Power, Bhel, Focus, Focus Energy, L&T,

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what is AB switch???

6 Answers   NTPC, Simplex,

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what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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How we calculate the size of H.T cable for any transformer & rating of busbar for any L.T. panel?

3 Answers  

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why delta delta connection generally not use in transformer

4 Answers   Lanco,

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what is daiod

4 Answers  

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What is meant by regenerative braking?

5 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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