why the insulators are in cofee colour???

Answer Posted / harekrushna

because u see the fault is easily mark

Is This Answer Correct ?    8 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is self exciting?

1270


can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

1505


In a single how much maximum current and watts using

1650


What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1627


Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?

2646






Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3169


how many stairs have you climbed while you were coming

1702


What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

1432


How to calculat the ratio of HT\LT in energy meter

2136


What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

685


in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

1884


which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

1709


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1437


explain types of electric welding and its applications

1208


we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

1071