Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / prashant dave
iF WE USE COPPER BUS BAR
IN COPPER BUSBAR CURRENT PASSES IN 1 SQ. MM= 0.8A
SO IF IN 630A WE HAVE TO USE 85MM X 10MM X 3 FOR 3 PHASE
AND WE HAVE TO USE 85MM X 5MM X 1 FOR NEUTRAL BUSBAR.
| Is This Answer Correct ? | 5 Yes | 2 No |
Post New Answer View All Answers
In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?
how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters
How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?
what is proper capacitor placement? How to evaluate capacitor size?
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?
What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing
Difference between a pilot wire and a normal conductor?
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
how do you test tachos and servos
33kv substation lay out details & line to line & line to earth measurements
How to test IR testing & magnetic balance test
Pl.brief me any electrical major fault you have rectified.
