Governor Droop - Speed vs Load
Engine speed drop with load under a given governor droop setting - baseline for generator paralleling and load-sharing.
Droop
0.67%
Frequency at load
60.12Hz
Formula, assumptions, and limits
Droop ≈ 3–5 % for generator paralleling. Isochronous mode (0 droop) only on single source. Higher droop → slower restoration but stable load-sharing across parallel units.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| No-load frequency | Hz | governor setting | |
| Rated load frequency | Hz | governor setting |