Disclaimer: RacewayIQ is an informational engineering tool only. All calculations must be independently verified by the user. Do not rely on these results as the sole basis for design, procurement, installation, construction, permitting, or code compliance decisions.
Generator Sizing Calculator
Check selected generator kW and kVA capacity against running load, reserve margin, and starting/transient load assumptions.
This calculator provides a preliminary generator sizing check. Final generator selection should be verified using manufacturer sizing tools, load step data, motor starting requirements, voltage/frequency dip limits, fuel type, altitude, temperature, harmonics, nonlinear loads, and project requirements.
Job Information
Main Inputs
Advanced Inputs
Use these when the job has project-specific assumptions, manufacturer data, or review conditions.