Law Supply, Inc.
Web Page - Electrical Conversion Formulas

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TO FIND	DIRECT CURRENT	ALTERNATING CURRENT
		Single Phase	Three Phase
Amperes When Horsepower (Input) is Known
Amperes When Kilowatts is Known
Amperes When kva is Known	.
Kilowatts
kva	.
Power Factor	.
Horsepower (Output)

Power Factor and Efficiency when used in above formulas should be expressed as decimals.
For 2-phase, 3-wire substitute 1.41 instead of 1.73.
For 2-phase, 4-wire substitute 2 instead of 1.73.

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Last updated 05/19/2003