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Generator Sizing kVa Calculator

What Size Generator?

Voltage (VAC): Phases: Power Factor:

Conversion Information

Please select conversion types from the dropdown menus, enter a value and hit the 'calculate' button

Convert :

Generator Size Required to Start Generators

Enter the motor sizes in the order that they will be started and select “Staggered start = Yes” below. Multiple motors started at the same time may be summed and treated as one motor. If the motors are all started together select “Staggered start = No".

Starting Seq. Motor Size (KW) Starter Type Alt Range (was hidden) # of motors of this size Staggered start? Est. size req. (KVA)
Staggered Start

Calulator Notes:

  • Calculations based on PMG or auxiliary windings fitted.
  • Sizing for VSD motor starting does not take into account Harmonic Distortion levels. Please contact JCB CEA for further information

Suitable Generators