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POWER CALCULATOR

Total Generator's Power Calculator.

Use the Power Calculator below to find out what generator will best suit your requirements. If you need assistance in using the Power Calculator below or want further information on what generator is for you, please feel free to contact us or call us on (07) 3186 8623.

To use the Power Calculator you will need the desktop version of our website. For further information please feel free to contact us or call us on (07) 3186 8623.

Phase 1, 2, 3
Generator kVA
Volts Required
=
Ampere I

Calculating Ampere (I), given kVA

Converting kW to kVA

kW
=
kVA
kVA
=
kW

Converting kVA to kW

kW
=
HP

Converting kW to HP

HP of Motor
=
Generator kVA Required

What size genset is needed to start a 3 phase electric motor Direct on
Line (DOL) start

Instructions: Fill in the HP of the motor(s) in their starting sequence, select the start method (DOL - Direct On Line or Star Delta) and press Calculate. The required generator size will then be displayed at the bottom.

   3 Phase (415 volt @ 50Hz)

   1 Phase (240 volt @ 50Hz)

 

Starting Sequence
Motor HP
Start Method
DOL / StarDelta
Run Variable
Phase Current
Starting Value
Total
Run
Current
Total
Start
Current
1
/
2
/
3
/
4
/
5
/
6
/

 

Generator Size for Starting with: kVA*
Generator Size for Running with: kVA*
Generator Size Recommended: kVA*

 

Generator Size to Start Motors

* 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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