Answer / v.venkata ramana

cable sizing is copper core cable 1sqmm = 3-6amps times taken
aluminum core cable 1sqmm = 1.5-3amps times taken

Answer / mukesh sharma

cable sizing is copper core cable 1sqmm = 3.5-4 times of
core taken
aluminum core cable 1sqmm = 1.5times of core taken

Answer / guest

Iaf mylan

Answer / raja

Copper cable 1 sqmm - 4.5A
Alu cable 1 sqmm- 1.5 A

draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

1 Answers  

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what is the function of a Master trip relay? why is it used ?

5 Answers   ABB, Nissi Engineering Solution,

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HOW TO FIND THE PRIMARY AND SECONDARY OF TRANSFORMER(IN OFF CONDITION) USING MULTIMETER? IS IT POSSIBLE FIND BY SEEING RESISTANCE???

4 Answers   Areva,

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

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difference btw neutral and ground?

2 Answers   ERG,

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can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

0 Answers   NTPC,

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whycircuit breaker is not connected at the generator end where the capacity of the generator is more say 60MW, 100MW etc.

2 Answers   Adani, Adani Power,

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what is efficient load of transformer in percentage

4 Answers  

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a wire in which bulb is connected there is two terminal when one terminal is connected to phase than why the value of current shock in nutral terminal is max. or large??

4 Answers  

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i want to do a project on PLC.... please give me an idea.....

1 Answers  

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1 Answers  

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in ct secondary one terminal is connected to earth why?

1 Answers  

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