What should be the earthing resistance of an industrial
substation and also What should be the house hold earthing
resistance?
Answer Posted / mandar a. bhide
For industrial less than .5 ohm's
For house hold less than 1 ohm's
| Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
Can anybody inform me about the pattern of ECIL GET( Graduate Engineers Trainee) interview for Electrical students? Will there be HR round as well? I thought of preparing for 2 to 3 subjects thoroughly. Will it be sufficient? Please share your thoughts.
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
a simple c++ program to calculate simple interst with its data members as private
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
how does commutator convert a.c to d.c?
What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?
what are the things that can cause a three phase motor to crawl?
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.
sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.
What is meant by stator? What is meant by rotor?
What is electrical cable termination
how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?
What is the formula to calculate the rating of power cable for three phase current.
What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.