Governor Droop - Speed vs Load

Engine speed drop with load under a given governor droop setting - baseline for generator paralleling and load-sharing.

GovernorDroopEngine

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{droop} = \frac{f_0 - f_{full}}{f_{full}}

Symbol	Meaning	Unit
$f_0$	No-load frequency	Hz
$f_{full}$	Rated load frequency	Hz

Source: Woodward - Governor Fundamentals

Engine speed drop with load under a given governor droop setting - baseline for generator paralleling and load-sharing.