Answer Posted / b.murali dhara babu
The potential equipment body some times rises to higher
value which is some times equal to the system
voltage .It is dangerous to the operating personal of the
equipment . Earthing of the equipment causes the protection
to act and isolates the faulty equipment from service .
Further it minimises the touch potential to the safe
value and helps the operating personal all times from
shocks while operating .
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
whit is 33kv power 300*300 cable full current with formula
Differentiate between kirchhoff’s first law and kirchhoff’s second law?
What are the different methodes for calculating the short circuit Current?
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
briefly explain principle of resistance welding
what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?
What are the main significances of root locus?
What do you mean by lighting transformer?
Inductor and capacitor........power in one phase and ...... in it another phase.
WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??
what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?
what happen when increase or decrease size of lamp,light.glass.
how do we calculate length of starting time and repeated starting of a direct online starter?
Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially
all interview questions with answers of ntpc (2000-2009