User Manual
76
“Q(U)” Mode[when the country(region) selection is not “IT”/”TH”]
The reactive power ratio changes with the grid
voltage.
If the country(region) selection is not “IT”(Italy)
/”TH”(Thailand), after selecting Q(U) mode,
Press
to enter the Run-param-Q(U) submenu.
For each item setting,
Press
to move cursor
and
Press
to set the appropriate value.
Confirm settings by Pressing
ENTER
.
Run-param-Q(U)
U1 Limit 095.0%
U2 Limit 105.0%
Hysteresis 3.0%
Run-param-Q(U)
Lower Q/Sn Ind 050.0%
Upper Q/Sn Cap 050.0%
Lower U Limit 095.0%
Upper U Limit 115.0%
Tab. 10-7
“Q(U)” Mode Parameters Explanation
Parameter
Explanation
Default Range
Lower Q/Sn
Ind
Inductive Q/Sn value of point P4 in the
Q(U) mode curve
25%
0%~50%
Upper Q/Sn
Cap
Capacitive Q/Sn value of point P1 in the
Q(U) mode curve
25%
0%~50%
Lower U Limit
Grid voltage limit
(in %)
of point P1 in
the Q(U) mode curve
80%
80%~100%
Upper U Limit
Grid voltage limit
(in %)
of point P4 in
the Q(U) mode curve
115%
110%~120%
U1 Limit*
Grid voltage limit
(in %)
of point P2 in
the Q(U) mode curve
95%
90%~110%
U2 Limit*
Grid voltage limit
(in %)
of point P3 in
the Q(U) mode curve
105%
100%~110%
Hysteresis*
Hysteresis voltage width (in %)
3%
0%~5%
* U1 Limit + Hysteresis < U2 Limit - Hysteresis