System Frequency Response Calculator

Calculate frequency deviation and ROCOF from a generation imbalance.

Nominal Frequency

System Inertia (H)

Total Generation

Power Imbalance

Governor Droop

Load Damping

Tab to move between fields

ROCOF

0.12 Hz/s

Frequency Nadir

59.91 Hz

Steady-State Frequency59.94 Hz

Steady-State Deviation0.06 Hz

Time to Nadir0.75 s

How to Use This Calculator

Enter Nominal Frequency, System Inertia (H), and Total Generation.
Set Power Imbalance, Governor Droop, and Load Damping.
Review ROCOF (Hz/s) and Frequency Nadir (Hz).
Use Steady-State Frequency (Hz) and Steady-State Deviation (Hz) to inform your decision.

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