How do you maintain the earthing resistance?
Answers were Sorted based on User's Feedback
Answer / kumarabharathi
Earthing Resistance can be maintained by adding
water,charcoal & salt per month,Not only by adding those
three, Its rusted bolt& Nuts must be renewed by new one for
every three month,this maintenance should be varied depand
upon the climatic conditions, such as in rainy season.Earth
pit must be fenced with cement.
Is This Answer Correct ? | 66 Yes | 3 No |
Answer / pks
by pouring the water inside the earth pits...
by checking values of earthing resistance within six months
intervals for each individual pit...
Is This Answer Correct ? | 22 Yes | 5 No |
Answer / j.kesavan
earthing resistance should be maintain below 2 ohms.its
safe for machiens.
Is This Answer Correct ? | 16 Yes | 4 No |
Answer / ashish patil
by pouring water ,charkol and salt is used but it is old
method.use pouring of Bentonite powder by using water.
Also to reduce earth resistance by parralel resistance to
earth mesh.it cen achived upto 2ohm.
Is This Answer Correct ? | 15 Yes | 4 No |
Answer / nagarjuna
earthing resistance is maintained below 2 ohms.we should
add salt and water where we r grounding the equipment.
Is This Answer Correct ? | 9 Yes | 3 No |
Answer / rajendra soni
monthly check of earthing resistance by good earth
resistance meter.
by pouring water ,charkol and salt when ever you find that
earthing is increasing
Is This Answer Correct ? | 9 Yes | 5 No |
Better to use stainless steel bolts nuts and washers since
GI ones tend to deteriorate and get corroded after a long
time and it becomes difficult to open the bonding,
connection for taking measurements.
Simple method is pour lot of salt and water around the
earth electrode and surely you will get a very good value
of earth resistance instantly.
Is This Answer Correct ? | 5 Yes | 4 No |
what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
Why delta star trformers are used for lighting loads?
In 3pin or 5pin socket why the earth pin is bigger
some times voltage does not built in small generators why ?
What is meant by H.R.C fuse?
40 Answers Gas Projects, GSCE, Taj Group,
sir, in a industry present pf is 0.54 pf 25hp power is there its want improve 0.9 pf. which suitable capacity capacitor is suitable please inform me.
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?
If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?
What is a captive power plant?
WHAT IS DGA TEST FOR THE TRANSFORMERS.
kindly send me 11KV MV motor differential protection procedure by primary injection method.
Can 2 nos. of 1 ton split ac be used through a 20 am supply meter?