tell me the operation of ELCB. How it detects a fault?

4 Answers  

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what is the function of commutator in dc motor?

10 Answers   CTS,

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why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

0 Answers  

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what is the method of earthing of a transformer using electrodes?

0 Answers  

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avr is an automayic voltage regulator ... it regulates voltage before it synchronise with grid after synchronisation it regulates power factor why....

7 Answers  

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how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

2 Answers   MSL,

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Why in Hv transmission line as we see there are generally 6 or more than 4 conductor wires are used instead of 4 i.e. 3 for phase and 1 for neutral wire?????

2 Answers  

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what is the formulae for selcting capacitor bank to increas pf

3 Answers  

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Why we get neutral from EB department, if not what will happen if we use earth instead of neutral? what is the result at the time of monsoon or rain with thunder and lighting ?

1 Answers  

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Is it possible to control the power in transmission lines by remote controlling method?? if yes explain in details???

1 Answers  

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how to calculate the ct burden?

1 Answers  

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