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/ Power Calculator
Power
Calculator
These
calculators are provided for informational purposes only.
Please contact a sales rep. for generator sizing and specifications.
Request
more information from a Sales rep
Required
Power Calculations
Use this to
calculate what size generator you need by entering the voltage and
amperage required.
HP required assumes generator efficiency of 0.8
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Rule
of Thumb for Quick Amp Calculation
|
| 480
Volt 3 ph: |
kW
* 1.5 = Amps @ 0.80 PF |
| 240
Volt 3 ph: |
kW
* 3.0 = Amps @ 0.80 PF |
| 208
Volt 3 ph: |
kW
* 3.5 = Amps @ 0.80 PF |
| 240
Volt 1 ph: |
kW
* 4.0 = Amps @ 1.0 PF |
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Miscellaneous
Conversions
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| 1
Btu |
=
252 calories |
| 3412
Btu |
=
1 kWh |
| 2544
Btu/hr |
=
1 HP |
| BMEP |
=
(HP * 792,000) / (RPM * disp in3) |
Available
Power Calculations
Use this
to calculate how many amps you can get out of a given size generator.
HP required assumes generator efficiency of 0.8
Fuel
Consumption Calculation
This is a rough estimate, it relies on the assumption
that the engine is correctly sized for the generator.
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Specific
Weights
|
| Water |
62.4 |
lb/ft3 |
| Copper |
550 |
lb/ft3 |
| Steel |
490 |
lb/ft3 |
| Aluminum |
165 |
lb/ft3 |
| Concrete |
150 |
lb/ft3 |
| Air
(70 °F) |
0.075 |
lb/ft3 |
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Pressure
Conversions
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| 1"
Hg (Mercury) |
= 13.60
" H20 |
| 1"
H20 |
= 0.036
psi |
| 1
ft H20 |
= 0.433
psi |
| 1
psi |
= 27.68
" H20 |
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Fuel
Consumption (Rule of Thumb)
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| Diesel |
0.080
* kW (genset output) = gal/hr
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| Gas |
15,000
* kW (genset output) = btu/hr
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Length
Conversions
Weight
Conversions
Volume
Conversions
Fahrenheit
and Celsius Temperature Conversions
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