To avoid nuisance trips caused by reverse power, the synchronising settings can be set up
with a positive slip frequency.
Illustration 1, POSITIVE slip frequency
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Illustration 2, NEGATIVE slip frequency
Adjustments
The dynamic synchroniser is selected in menu 2000 in the control setup and is adjusted in menu 2020 Sync.
Setting Description Comment
2021 f
MAX
Maximum slip frequency Adjust the maximum positive slip frequency where synchro-
nising is allowed
2022 f
MIN
Minimum slip frequency Adjust the maximum negative slip frequency where synchro-
nising is allowed
2023 U
MAX
Maximum voltage differrence
(+/- value)
The maximum allowed voltage difference between the bus-
bar/mains and the generator
2024 t
GB
Generator breaker closing
time
Adjust the response time of the generator breaker
GPC-3 DRH 4189340587 UK Synchronisation
DEIF A/S Page 113 of 122