we have consol make 3 phase servo stabilizer for cnc m/c.
while installing the earth neutral voltage is 1.7 volts at
stbilizer off condition and when stabilizer get on en
voltage reaches 4.8 volts (new earthing is done and neutral
is helthy condition all phase to neutral volts 440,442,441
v)why this happen.solution for cause.
- 3 Answers
- 5571 Views
- I also Faced
- E-Mail Answers
Answer Posted / vishal ingle
Problem looks like in the type & quality of earthing
electodes and pit specifications. if possible try for
another earthing pit with proper watering arrangement.
Note : the earthing pit should be in mother earth & not in
the backfilled soil. (Earthing quality varies with the soil
strata i.e. BC Soil, Hard rock soil, Muroom etc)
Further the earthing pits may be interconnected also to
obtain stabilised results.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are the specifications for getting approval of Substation?
What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?
How to test IR testing & magnetic balance test
How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
why constant voltage transformer should be start without load? and if started then what will happen?
HOW TO CALCULATE EARTHING SIZING?
EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.
What is the formula for calculating no-load current?
State and define norton’s theorem?
Can we transmit digital signal to long distance ?
I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA
what type of questions are asked and howmwny questions belong this catagory?
why the carbon brushes are broken in srim while the motor runningtime
will 1050kva DG set withstand for back charge of 16MVA transformer
