Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What should be the earthing resistance of an industrial
substation and also What should be the house hold earthing
resistance?

Answer Posted / ashish

For 1 kv to 33 KV The earthing Resistance Should be less
than 0.5 ohm.
For Domestic Purpose it should less than 2 ohm
Upto 1 Kv It should be in between 1 to 2 ohm
for EHV it should be less than 0.01 ohm

Is This Answer Correct ?    70 Yes 46 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1817


what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

3745


What is the range of the stator resistance of 3 phase induction motor?

1869


what is difference between cpp electrical system and refinery electrical system

2254


HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

2068


- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2710


What is the slip speed?

1057


Define ampere

1249


what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

2061


Define end float in a motor?

5892


what is smartµ grid technology?under coal gassification?

1915


any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

1893


Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection

8197


what are the 4 rules to start the motor?

2080


What is the automatic voltage regulator with servomotor?

2005