?? how to calculate lighting system ????

1 Answers   L&T, Synergy,

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why we use to transmit the power in three phases intead of single phase ?

4 Answers  

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Is neutral transformer can be called as control transformer?

0 Answers  

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Lt trivector meter with ring type CT.Spec of meter are 3x240 v, -/5A. Ring ct spec. are 60/5A, line voltage- IL .66/3.0KV..what is the multiplying factor

1 Answers  

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HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

0 Answers  

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why do we have spikes enough to burn electronic boards, when generators are not grounded

0 Answers  

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plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

0 Answers  

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How can calculate the rating of a alternator for a given specific load with formula

0 Answers   NRSC National Remote Sensing Centre,

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Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir

1 Answers   Vestas,

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magnetizer priciple

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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why we are using the 2 slope in differential relay?but in busbar differential we are using only one slope. what is the reason.

1 Answers  

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