how to check the earth resistance value& what is the
minimum earth resistance for good earthing sysytem.
- 33 Answers
- 144613 Views
- Brookfield, BSNL, DMRC, Epoch, KPTCL, Polycab, Power Control, SIEA, Siemens, Wipro, I also Faced
- E-Mail Answers
Answer Posted / praveen kumar jain
As such there is no any standard of earth resistance value,
Its varies on different type of soil resistivity. Idley it
should be 0, but in different kinds of soil for electrical
equipment it should be better to below 10 Ohms and for
electronic equipment it should be better to below 5 ohms.
| Is This Answer Correct ? | 100 Yes | 28 No |
Post New Answer View All Answers
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
What do you mean by a current transformer?
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above
How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?
What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?
What is stacking factor? What is its approximate value?
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?
I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.
it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?
diff. between tension mode & speed mode
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
What is ideal IR values for ground and neutral.
What is a compensator?
Difference between a pilot wire and a normal conductor?
