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These calculators will assist you in determining what size generator you may require or how to convert one unit of electricity
to another.
They calculate:
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Guide to units:
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HP = Horsepower
kW = Kilo Watts
kVA = Kilo Volt Amps
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I = Ampere or Current
V = Volts
PF = Power Factor
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Converting kVA to kW
| kVA |
= |
kW |
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Converting kW to kVA
| kW |
= |
kVA |
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Converting kW to HP
| kW |
= |
HP |
What size genset is needed to start a 3 phase electric motor Direct on Line (DOL) start
HP of
Motor |
= |
Generator
kVA Required |
Generator Size to Start Motors
Instructions:
You only need to fill in the columns coloured in blue.
Fill in the HP of the motor(s) in their starting squence, select the start method (Direct On Line or Star Delta) and
press Evaluate. The required generator size will then be displayed at the bottom.
* Please NOTE the above calculations are an estimate only because other
factors such as site conditions, motor efficiencies and iron losses
are not taken into consideration.
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