What should be the earthing resistance of an industrial
substation and also What should be the house hold earthing
resistance?
- 20 Answers
- 93739 Views
- Jindal, Pharma, TAAT, TATA, I also Faced
- E-Mail Answers
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
What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.
What are the classifications of oscillators?
Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com
State Maximum Power Transfer theorem.
how is the magnetic current test is different in delta-star and delta delta transformer.
The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?
1.what is mean by 8/20 micro sec waveshape
how to identify vector group of three phase transformer by voltage method?
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?
Circuit diagram of tube light without starter using electrical choke
what is lumped and distributed elements?
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.
What is order of the system?
sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
