why earth hole size is biggest in plug point?
Answer Posted / mayilsamy
1) To withstand fault current. that is any short circuit
occur, all fault currents flow through earth.so earth
pin and plug give heavily.
2) any where should give earth first then connect power. so
earth pin give long.
Is This Answer Correct ? | 14 Yes | 4 No |
Post New Answer View All Answers
at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
What is the capacitance values of 132,220,400 & 765 kV current transformer
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly
How to calculate the value of earth capacitance in a transmission line.
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
what is the advantage of connecting capacitors in delta than in star?
WHAT IS FAULT CAPACITY OF HT MOTOR TERMINAL BLOCK? ANY BODY HAVE ANSWER PLZ....POST IT.
what is spadar bar .why I use in DC generator.
How to decide CT & PT ratings for a given transmission line carrying some rated voltage?
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
what is negative d.c. voltage, why this voltage is used in base transciever station.
what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line
What is the formulae of Megger value for a A.C.Motor