Answer / senthil

Cb beakers selected depending upon the load current. 16amps,24amps
etc like this cb are available in market.cv will trip(cut off the supply) the
load circuit when short circuit or over current flow occurs.

why CRGO material used in transformer?

2 Answers   Honda, Yazaki,

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why return path in terms of neutral is required please give a relevant answer

3 Answers  

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why we use mostly 3-phase but not 4-phase and 5-phase what is the difference between them

1 Answers  

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At what point crngo works like as crgo

0 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

0 Answers  

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Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

3 Answers   Anwar Ispat,

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How to find Cable size? Caterpillar generator produce (Two generators) 127*2=254 amp at 11 kv . What would be the cable size (XLPE) to supply 256 amp at 11 kv? Air or surrounding Temperature is 32 degree C. Cable will go under ground at 2.5 feet depth. Group Rating Factors is 3 cables. Clearance between cables is 7 cm. Soil Temperature (Ambient) 28o C Soil Thermal Resistivity is 1.2 K.m/W I would like to use 3 separate single core instead of using 3 core cable. Some says I should use three separate single core 120RM cables. Some says 70RM .some says 95. I m totally confused. Is there ant specific rule to determine cable size? What would be the LT cable size to flow 500 Amp current? Ifte My e mail address is ifte13@yahoo.com Anyone please send me the answer to my e mail address, i will be very glad.

1 Answers  

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What is the mmf,rgt and ngt please brief completely

0 Answers   cpgn,

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

2 Answers  

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what is the harmonics.

3 Answers   DLF,

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How do we calculate conductor size?

1 Answers   Hero Honda,

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