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Three Phase. Horsepower = 1.73 x Amps x Volts x Motor Efficiency x Power Factor (Actual) (Brake) 746 ... AIRSIDE FORMULA SHEET. ... ELECTRICAL FORMULAS FRO CALCULATING AMPERES, HORSEPOWER, KILOWATTS AND KVA. TO FIND. DIRECT CURRENT. ALTERNATING CURRENT. SINGLE PHASE. TWO PHASE-FOUR WIRE . THREE PHASE. ................
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