Answer / snowwhite10

numerical relay is a microprocessor based relay ...it works
according to the program written using microprocessor.

Answer / naresh nari

numerical relay is a relay which is operated on the bases of numbers.that numbers are coded in the program for the relay operation.hence it is operated depending on the time delay i.e number of cycles per second

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0 Answers  

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0 Answers   LTT,

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two transformer connected in parallel.tap change are different.if i want to on the buscoupler what happen?

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

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all electricals questions

2 Answers  

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what is power factor ?

3 Answers  

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IN 500 KVA TRANSFORMER 11KV/415 VOLTS HOW TO CALCULATE THE HT CABLE SIZE AND LT CABLE SIZE FROM TRANSFORMER TO LT PANNEL. AND HOW MANY MAINSWITCHES OR MCBS WITH RATING ARE TO BE PROVIDED

2 Answers   BSF,

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can we load Power capicitors on DG sets?

14 Answers   Neptune, Nimbus, Westin,

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What is the function of interposing current transformer?

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what is the purpose of ignitor in lighting fixer

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What is an iron loss or core loss pi?

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Why shunt Generator is not recommended to start at ON LOAD condition???

3 Answers  

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