an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost 200Amps has become short and this metal cubical showing 220 volts against neutral and earth. to redress any confusion i checked the panel with help of single 200watts test lamp which also glowing with max.intensity b/w neutral & metal body of DB. amazing situation is that i hold the DB firmly more than once with necked foot means without insulated shoes but not received any electrical shock. whereas our all running gen sets neutral points also proper grounded and this short DB was completely earthed , this is beyond my understanding . any body explain how is it possible . our running gen set neutral also grounded firmly



an amazing situation was faced when an alive distribution panel with 415 volts and carrying almost..

Answer / k.prakashchandra

Measure voltage between neutral and phases , it appears that neutral is connected to a phase , being isolated

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

Can anybody tell me the Electrical IS rules website?

1 Answers  


what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,


what is impedence in transformer

2 Answers  


what are the protection relays for trasformer

3 Answers  


hoe to test voltage restrained overcurrent relay?

2 Answers  






What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers  


what is feed back and what are feed back amplifiers?

0 Answers  


current transformer cannot measure voltage or not ? then y we use P.T ?

1 Answers   Bhel,


why delta delta connection generally not use in transformer

4 Answers   Lanco,


i have a motor 55kw how u will calculate cable specification for this motor

1 Answers  


why we can not use dc in our country( INDIA)

5 Answers  


i have need all detail above basic transformer question..

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • 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)