Why transformer neutral earthing? What is advantages?

Answer Posted / gunasekaran

we have to keep the neutral at zero potential and we can get 3phase four wire system, normally in home appliances we r using single phase system.at earth fault condition without neutral another 2 phase getting full line voltage if it is earthed it will build only 80% line voltage will appear

Is This Answer Correct ?    10 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

1764


How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1044


can we use NPT glands in LT panel

1333


i want to know that what is the eligibility critaria for ongc exam?

2569


Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

1239






what does mean of RCT and STR in diffrential CT?

3773


If increased the frequency up to 1000 then what changes shows in voltage?

1985


what is feeder bay?

1122


In Generator How suction compression power and exhaust works ?

1457


DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

1635


Please brief what is sinewave

1732


Igfet is a

1202


ROC converges if pole and zero lies inside a) origin b) z=1 c) pole d) zero ? Explanation please? if ROC does not converges then?

2466


Why 1/3 is used in symmetrical components?

1390


If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

1694