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Re: Re: Re: Re: Re: volts and amps again
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Posted by buickanddeere....senior's on January 25, 2004 at 19:19:12 from (64.10.41.61):
In Reply to: Re: Re: Re: Re: volts and amps again posted by buickanddeere on January 24, 2004 at 05:22:32:
Square root of s is 1.41 for calulating peak voltage from rms values for AC power. So a "480" three phase service has 677.0 volts phase to phase for a instant 120 times per second. The square root of 3 is 1.73. That's for three phase to single phase calculations. A 10KW 480 v single phase load would be 20.83 amps on both wires. A three phase 480v 10KW load would have 12.04 amps on each of the three wires.
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