Two paralleled gensets sharing load unevenly: how to tune?
Samuel O.
Verified member · Service engineer
Two 500 kVA sets in parallel; one carries 80% and the other 40%.
Speed droop and voltage have been calibrated, but sharing stays uneven.
Is it the controller settings or a difference between the sets?
Discussion (3)
Ahmed Ben SalahVerified member · Service engineer2026-09-03
Check no-load frequency and droop settings first; a mismatch makes them fight, and that is the usual cause.
Chanda M.Verified member · Service engineer2026-09-04
Different ages mean different fuel and turbo response; within 10% is considered normal.
Paulo M.Verified member · Project chief engineer2026-09-05
One set running overloaded will fail first; re-check capacity against the real load instead.
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