why double earthing is required for welding machine &
electrical tools.
Answers were Sorted based on User's Feedback
Answer / divyesh
to give low resistance and if one earth is out of
order,second will do the required work of earthing the equipment
| Is This Answer Correct ? | 56 Yes | 7 No |
Answer / bilal mir
Double earthing is
used to give
minimum
resistance to the
flow of whole
current of the
apparatus in case
of short circuit or
leakage or any
such other fault.
| Is This Answer Correct ? | 26 Yes | 3 No |
Answer / dinakaran
for safty purpose only. if one is failure another in line
| Is This Answer Correct ? | 28 Yes | 8 No |
Answer / pravin
1.For safety of personnel & equipment
2.Reduces voltage fluctuation in case of excess current flow.
3.In case non use of tripping devices it reduces the risk of electrocution.
| Is This Answer Correct ? | 17 Yes | 7 No |
Answer / sohaib ahamad
to give low resistance and if one earth is out of
order,second will do the required work of earthing the equipment
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / himanshu saini
For safety purpose,if any short circuit in line or excess current flow in line and single earthing not proper working then double wire earthing pass that current and tripped the MCB of welding machine
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / prabakaran
Earth1 value=1ohm earth2 valu=1ohm
Parallel resistance formula =r1+r2/r1×r2 so answer=1/2 so earth value reduse so better to current flow on ground
| Is This Answer Correct ? | 0 Yes | 0 No |
An automatic water heater is an example of which type of control system?
HT/LT PANEL TEST?ALL TEST
what is rated current and operating current?
hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com
in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why?
what deffrence between KW $ KVA ?
HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????
How maesure earth neutral value & how much maximum value value required in between earth & neutral.
what are the basic insulation levels & what its Unit
In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?
what is the difference between UPS & Inverter
what is the difference between power and distribution transformer?
32 Answers L&T, VJTI, Wenke Electricals,
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)