an amazing situation was faced when an alive distribution panel with 415 volts

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

Question Posted / sh.jamilhamdan

1 Answers
1750 Views
I also Faced
E-Mail Answers

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

please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks

1 Answers

If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 Answers

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

0 Answers

which type of breaker sould be used for different level of voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....

8 Answers

How can we parallel two transformer with vector gorup YNd11 and YNd1?How is connection two transformer GT?

3 Answers

what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?

3 Answers

Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

0 Answers

why transformer fuse wire is very thin as compared to home fuse wire while voltage lavel is low

1 Answers

how can calculated the rating of the 11 KV transformer?

6 Answers NBCC,

What current position are you holding in your current company?

0 Answers

what is the difference between metalhalide and mercury vapour lamp

1 Answers

Draw SLD for a panel has 500A Bus Bar rating, with 4 outgoing, each is 80 A (load current), showing the transformer and capacitor bank rating.

0 Answers FEWA,

For more Electrical Engineering Interview Questions Click Here