Dear sir,

we are getting voltage fluctuations suddenly for 2 or 3
minutes again it becomes normal. we checked each and every
connection some times we are getting 110 volts like that
from earth to neutral again it is reducing we are getting
supply from 45 kva DG set give earthing properly.

Answers were Sorted based on User's Feedback



Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes norma..

Answer / k.prakashchandra

Unbalanced load can not be responsible for 110 V between
neutral and earth.

Is This Answer Correct ?    2 Yes 0 No

Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes norma..

Answer / k.prakashchandra

Voltage between neutral and the earth indicates a loose
connection/joint in the neutral wire as neutral extends only
upto the point of loose connection.

Is This Answer Correct ?    2 Yes 2 No

Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes norma..

Answer / manoj dubey

generally voltage between neutral and earth occurs when
there is unbalance distribution of load in all three
phases. first check load balancing on phases. also check is
there any single phase heavy load is switched ON at the
time when voltage increases between neutral and earth.

Is This Answer Correct ?    1 Yes 1 No

Post New Answer

More Electrical Engineering Interview Questions

why m and c are shorted in wattmeter

1 Answers  


what is specific gravity of a battery if specific gravity increase/decrease,what will happen to the voltage/current of the battery

5 Answers   NTPC,


what is the principle of synchronous motors?

3 Answers   The Grand,


What is the maximum load of 240mmsequre single core cable can carry?

1 Answers  


PLC Training in chennai | PLC Training institute in chennai, PLC Training center in chennai | Best PLC Training in chennai | PLC Training course in chennai | SCADA Training in chennai | PLC Training in india

1 Answers   Exide,






how do you select the ct/pt rating in substation

1 Answers   Apollo, Shreem Electric Ltd, Tata Motors,


If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

0 Answers   Amara Raja,


can we use HT cables for LT power supply ?

1 Answers  


explain types of electric welding and its applications

0 Answers  


Impedance relay is directional relay or non directional relay?

2 Answers   KSEB, NTDC,


in conventional fan regulators how the current varies with speed?

0 Answers  


If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)