Guide to units:

HPKWkVaIVPF
HorsepowerKilo WattsKilo Volt AmpsAmpere or CurrentVoltsPower Factor
Calculating Ampere (I), given kVA
Phase
1, 2, 3		Generator
kVA		Volts
Required		=Ampere
I
Converting kVA to kW
kVA=kW
Converting kW to kVA
kW=kVA
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: 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.

Starting SequenceMotor HPStart Method
DOL / StarDelta		Run VariablePhase CurrentStarting ValueTotal
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*

* 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.

This site uses cookies. Cookies are used for core functionality and for ads personalisation.
By continuing your visit, you accept their use as set out in our Privacy and Cookie Policy. Accept All Cookies Cookie Preferences

Sorry, this item is currently out of stock.
We currently hold [remaining-stock] units of this item in stock. The remainder will be put on back order.
You cannot order more of this item than we currently hold in stock.
You must order at least [min-order-qty] of this product.
You must order at least [min-order-qty] of this product. We currently hold [remaining-stock] in stock. The remainder will be put on back order.