| HP = Torque(Lb.Ft.) X RPM |
Torque = HP X 5250 |
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Ohms
= |
Volts |
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5250 |
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RPM |
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Amps |
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| Volts = |
Amps X
Ohms |
Amps = |
Volts |
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Ohms |
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| DC POWER: |
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| HP = |
Volts X Amps. X Efficiency |
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|
746 |
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| Watts = |
Volts X Amps |
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Amps = |
Watts |
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|
Volts |
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| AC POWER: |
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| Efficiency = |
746 X Output HP |
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Input
Watts |
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| 3 Phase Kilowatts = |
Volts X Amps X Power Factor X 1.732 |
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|
1000 |
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| 3 Phase Volt-Amps =
Volts X Amps X 1.732 |
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| 3 Phase
Amps = |
746 X
HP
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|
1.732 X Volts X Efficiency X Power Factor |
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| 3 Phase Efficiency = |
746 X HP
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|
Volts X Amps X Power Factor X 1.732 |
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| 3 Phase Power Factor = |
Input Watts
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|
Volts X Amps X 1.732 |
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| 1 Phase Kilowatts = |
Volts X Amps X Power Factor
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|
1000 |
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| 1 Phase Amps = |
746 X HP
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|
Volts X
Efficiency X Power Factor |
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| 1 Phase Efficiency = |
746 X HP
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|
Volts
X Amps X Power Factor |
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| 1 Phase Power Factor
= |
Input
Watts |
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|
Volts
X Amps X 1.732 |
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| HP (3 Phase) = Volts
X Amps X 1.732 X Efficiency X Power Factor |
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|
746 |
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| HP (1 Phase) = Volts X Amps X
Efficiency X Power Factor |
|
|
746 |
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| OPERATING SPEED |
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| Seconds = |
WK² X Speed Change |
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|
308 X Avg. Accel. Torque |
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| WK² = Rotor Inertia + Load Inertia (Lb.Ft.)² |
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| Avg. Accel. Torque = [(Full
Load T + Max.T)/2] + Max.T + Locked Rotor T |
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|
3 |
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| Load WK² ( at shaft ) = |
WK2(load) X Load
RPM² |
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|
Motor RPM² |
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| Shaft Stress (P.S.I.) = |
HP X 321.000
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|
RPM X Shaft Diam.3 |
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| AMBIENT TEMPERATURE = The temperature of the surrounding
cooling medium. |
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| RATED TEMPERATURE RISE = The permissible temperature above
ambient when operating under load |
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| °F = (9/5 X ¯C) + 32 |
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°C = 5/9(
¯F - 32) |
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