santhosh


{ City } al khobar
< Country > saudi arabia
* Profession * electricalengineer
User No # 89340
Total Questions Posted # 0
Total Answers Posted # 2

Total Answers Posted for My Questions # 0
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Users Marked my Answers as Correct # 33
Users Marked my Answers as Wrong # 9
Questions / { santhosh }
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Answers / { santhosh }

Question { Auko Tex, 206792 }

How to calculate busbar size & what is the procedure we
make for determine that?


Answer

CURRENT DENSITY OF CU=1.2A/MM2
CURRENT DENSITY OF AL=.8A/MM2

FOR EX: DESIGN REQUIREMENT OF 400A MAX.CAPACITY.
CONSIDER THE BUSBAR IS CU.
AREA OF THE BUSBAR=400A/1.2=333.33MM2

APPROX. VALUE= 350MM2

SO THAT, THE STANDARD SIZE IS 50MMX8MM

Is This Answer Correct ?    33 Yes 9 No

Question { 5554 }

how to claculate the ups load in KVA pls give the if any
fourmoul?


Answer

Mr.kumar u r gett in a wrong ans:

Kw/kva=cosphi

so, 1kw/kva=.8

kva=1/.8=1.25kva

Is This Answer Correct ?    0 Yes 0 No