A53 Z0 9 0020 L En Technical documentation
2/ Mains
In Change Over mode, time GENSYS 2.0 will wait to ensure a stable
mains return.
Change over time transfer.
Table 104 – Mains timers configuration
17.3.9
SynchroniZation
1/ Synchronization check relay
This menu allows to set the synchronization parameters used to allow the synch check relay to operate.
The maximum difference (in percent) between genset and busbar
voltage that allows the synch check relay to operate.
The maximum frequency difference between genset and busbar
that allows the synch check relay to operate.
The maximum phase angle difference allowed between genset and
busbar for the sync check relay to operate.
The minimal percentage of nominal voltage on both sides of the
breaker to allow sync check relay to operate.
The maximal percentage of nominal voltage allowed on both sides
of the breaker for the sync check relay to operate.
The minimal percentage of nominal frequency allowed on both
sides of the breaker for the sync check relay to operate.
The maximal percentage of nominal frequency allowed on both
sides of the breaker for the sync check relay to operate.
This timer will trigger a fail to synchronize protection if genset has
not synchronized within the time you enter.
C2S dwell time
(1)
[E4108]
Synchronization dwell time before authorizing to close the
breaker.
Phase offset between the mains and generator voltage (See
§13.16)
This selects the course of action in case of impossible
synchronization. (See §12 for more details)
Table 105 – Synchro check relay configuration
(1) This parameter can be modified using TXT file or modification by variable number menu.
(2) Available if option 8 is enabled.
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