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Page 44
9.12.3
Frequency shutdown settings
Note:
There are three thresholds for
overfrequency and underfrequency
protection. The first threshold value indicates
the lower range. The middle threshold range
is freely adjustable. The third threshold value
indicates the upper range.
The <Settings for> menu is opened.
1
Select <Frequency shutdown settings>.
2.
Set the thresholds.
Principle:
-
First maximum threshold ≤ second
maximum threshold ≤ third maximum
threshold
-
First minimum threshold ≥
second minimum threshold ≥
third minimum threshold
-
Trigger time for the first threshold ≤
trigger time for the second threshold ≤
trigger time for the third threshold
3.
Save settings with <Confirm>.
» Frequency protection defined.
Fig. 100.
Select frequency
shutdown settings
Fig. 101.
Set frequency range and
ROCOF protection limit
9.12.4
Connection time settings
Note:
Set monitoring time when one of the
voltage and frequency values has been
changed. If the measured values are within
the range defined by the selected grid
standard, the inverter can start or reconnect.
The <Settings for> menu is opened.
1.
Select <Connection time settings>.
2. Set <Start-up time> for restart.
3. Set <Reconnection time>.
4.
<Confirm> settings.
» Connection time defined.
Fig. 102.
Select connection time
settings
Fig. 103.
Define start-up /
reconnection time
