directional over current relay when acted & how it works

3 Answers   NCC, ThyssenKrupp,

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what is ATS & RING MAIN UNIT in Distribution System?And its Function.

0 Answers  

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What is the meaning of STAR POINT? Why this important in CT and VT?

2 Answers   L&T,

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different between electrical and electronics Engineering????

4 Answers  

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check list of maintenance of transformer?

11 Answers   ABC, Cosmos, EPRON, Essar, Godrej, Hescom, Infosys, KPTCL, TCS,

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1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done

0 Answers  

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What is the function of under voltage release ?

0 Answers  

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What is PEC??Applications........

0 Answers   Emerson,

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How to convert resistance value at 20 degree to 90 degree?

2 Answers  

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what is the best transformer oil breakdown voltage?

0 Answers  

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I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 Answers  

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Fire pumps are not used with ELCB control, why ?

4 Answers  

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