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