Discuss How many amps are there in the UK Electrical Forum area at ElectriciansForums.net
So kw rating is always the same amount of amps regardless of single or three phase just its split via three phaseI (line) = P / V (line) / sqrt(3)
=1000 / 400 / 1.73
=1.45A
By convention we use the line-line voltage in 3-phase calculations (typically 400V in Europe) instead of the line-neutral voltage (typically 230V). But if you want to think of it in relation to an equal size of single-phase load operating on the line-neutral voltage, consider dividing it into three loads of 1/3 the size, taking 1/3 of the current, star-connected between each phase and neutral.
No the constants are Load 1kW and 1ph voltage 230v ORSo kw rating is always the same amount of amps regardless of single or three phase just its split via three phase
The easiest way to look at it is the star-connected case, then you have:So kw rating is always the same amount of amps regardless of single or three phase just its split via three phase
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