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volt drop for 25 degree C?

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Discuss volt drop for 25 degree C? in the UK Electrical Forum area at ElectriciansForums.net

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1amp

what it the calculation for voltage drop at a operating temperature of 25 degree's C?

e.g.
a 5Kw 400V 3 phase machine

Ib = 7.4A

L (in meters) 32m
 

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