why we do 2 types of earthing on tranformer ie:body earthing
& nutral earthing , what is function.
i am going to instal a 5oo kva tranformer & 380 kva DG set
what should the earthing value
Answer Posted / riyadh
Star connection T/f's mid point of b/w two phase should be
neutral point . tat point is to be earthed ,
Body earth goes to ground the leakges in the T/f's to
protect human beings frm harmful
| Is This Answer Correct ? | 27 Yes | 15 No |
Post New Answer View All Answers
Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain
I am inpecting a 10kVA UPS what tests should i do and should i observe?
How can you sized or estimate the ligthning arrester current rating?
Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar
describe the phenomena of vacuum interruption in C.B
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.
How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???
What are the different power system losses and how can it be eliminated?
if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?
What is routh hurwitz stability criterion?
can i able to get bhel previous exam question paper?
Why the output of OP-AMP is always less than Vcc?
How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?
What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?
working principle a.v.r. ?