How do you maintain the earthing resistance?
Answer Posted / 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 |
Post New Answer View All Answers
Earth has zero potential then what would be the neutral potential ?
impliment (AB)`+C to transistor representation
block diagram of 2 ups system connected in parallel mode?
hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
What safety precaution are to be taken for avoiding electric hazards ?
Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?
what are the range of memory address in plc for L&T lx7 4A
State kirchoff voltage law?
why ahould you show client/engineer activities clearly on the project plan
what is the difference between Power and Distribution transformers ?
What is Traction? 1KVA Alternator, How much urrent taken?
A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.
we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input