How many amps does a 10 hp motor pull at 480
WebFor example, a 10-hp motor with a 1.15 service factor can handle an 11.5-hp load for short periods of time without incurring significant damage. Although many motors have service factors of ... = 36 amps PF a = 0.75 V bc = 473V I b = 38 amps PF b = 0.78 V ca = 469V I a = 37 amps PF c = 0.76 V = (467+473+469)/3 = 469.7 volts WebJan 17, 2011 · A 120 VAC 2HP single phase motor draws almost 20 amps, a 240 VAC single-phase 2HP motor draws about 10 amps. A 480 VAC 2HP three-phase motor only draws …
How many amps does a 10 hp motor pull at 480
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WebMay 22, 2024 · Thus, the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor. For example, let’s find the current draw in amps of a 1 horsepower motor that runs at 120 volts with a 90% efficiency. Amps = 1 HP × 746 W 120 V × .9. Amps = 746 120 V × .9. WebDec 19, 2008 · A 120 VAC 2HP single phase motor draws almost 20 amps, a 240 VAC single-phase 2HP motor draws about 10 amps. A 480 VAC 2HP three-phase motor only draws about 6 amps. Wiki User ∙...
WebThe calculators below can be used to calculate electric motor amps, horsepower and 3-phase kVa. Calculate Current (amps) horsepower (hp) efficiency (%) Power Factor - PF - three phase motors (0 - 1) ... Electric Motors - 480 Volt Wiring - 480V electrical motor wiring data - NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hp. WebNov 22, 2015 · Take the NEMA assigned letter to your motor, in which case yours is letter B, and plug that into this equation: Iinrush= (code letter value X horse power x 1000) / ( √3 X Voltage) You can ignore the square root of …
WebJul 27, 2024 · Electric motor horsepower To calculate the horsepower of an electric motor, use this formula: volts × amps × rated efficiency ÷ 746 watts. Let’s take, as an example, an electric motor rated at 480 volts, 50 amps that has a 92% rated efficiency. How many amps does a dual voltage motor take? WebFor example, (100Hpx746) / (220Vdcx0.8×0.9x√3) = 271,9Amps. Go back to Menu↑ How to convert Hp to Amp DC in only 3 step: Step 1: Multiply Hp (Horsepower) by 746. Example, if you have 100 hp multiply by 746 and …
WebThe power P in watts (W) is equal to 3 times the power factor PF times the phase current I in amps (A), times the line to neutral RMS voltage VL-N in volts (V): P(W) = 3 × PF × I(A) × VL-N (V) Typical power factor values Do not use typical power factor values for accurate calculations. Amps to watts table (120V) Amps to watts calculation See also
WebMay 22, 2024 · Amps = HP × 746 V × η × PF. Thus, the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power … how to say breeamWebSep 17, 2011 · A standard motor's power factor between 10 to 100 HP is .86 to .92. A feeder for a motor has to be rated at 125% of the motors full load amps 2.5 x 125% = 3.1 amps A … north fort myers florida hurricane ianWebMar 23, 2010 · How many amps for a 250 hp 3phase 480 volt motor? Wiki User ∙ 2010-03-23 19:28:04 Study now See answer (1) Best Answer Copy Power= current*voltage First convert 250 hp into watts (about... how to say brett in spanishWebOct 30, 2024 · Let's see how to solve it: Rearrange the formula of hp to amps for the three-phase line-to-line system P = I × √3 × V × PF × η / 746. Apply the values (we can approximate the square root of 3 as 1.73 ), P = 0.5 × 1.73 × 100 × 0.8 × 95% / 746. The resulting power … north fort myers florida on mapWebBecause 1 horsepower is equal to 746 watts, the formula above will include a division by 746 to complete the conversion. P(HP) = P (W) 746 W⁄HP For example, let’s find the horsepower of a motor drawing 8 amps at 120 … north fort myers florida zillowWebCalculate the full load current of AC induction motors with this Free Online Motor Current Calculator. Includes Formulas. Motor voltage (V) Phase Motor power rating (kW, hp) … north fort myers florida beachesWebJan 12, 2010 · If we use FLA as a starting point, then magnetizing current is FLA*sqrt (1-PF^2), which is 233*.535 = 125 A. Then, a 480 V grid usually means a 460 V motor. That could change things, but not much (a few percents). Your 90 A no load seems OK, a little low, but not to worry about. As Bill says; checked your meters lately? Gunnar Englund … north fort myers florida diabetic