control & auxilary circuits used for circuir breakers

0 Answers  

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

2 Answers  

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Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

0 Answers  

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we want install 11KV generator to supply power 12km far from the power house.Load to be fed is 1MW.which conductor should we use and wat will be transmission line losses?

1 Answers   CEM Engineering,

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While testing a ZCT what parameters have to check or measure?

0 Answers   Indian Railways,

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what is the role of energy meter in distribution system ???? technical and non technical losses in distribution system????

1 Answers  

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

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why the generator efficiency is greator than motor?

4 Answers  

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what is JE exam?

0 Answers  

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how we calculate electrical load on a building according to area?

0 Answers   HFCL,

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what is difference between differential protection and distance protection and how we calculate the sloop?

5 Answers   OPS, Power Grid,

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I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.

1 Answers   Medway Educational Consultant,

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