I have 1 KW, 3ph. 440v, 50 hz, cos(phi) .75, efficiency
75%(star delta connection)Motor. How to calculate line
current & Phase current (1) Star connection (2) delta
Connection
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Answer Posted / michael
NOTE : YOU NEED MOTOR EFFICIENCY
BECAUSE IF THERE IS A RATING GIVEN
IN TERMS OF KW. IT IS ALWAYS THE
OUTPUT POWER OF THE MOTOR..
SO WEE NEED TO CONVERT IT TO
INPUT POWER IN ORDER TO COMPUTE THE
CURRENT.
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