Solis_Manual_75_100K_5G_USA_V1.4

6. Normal operation6. Normal operation
8. Enable both Volt-Var and Volt-Watt modes
Description: Rule21 requires both Volt-var and Volt-watt modes can be enabled.
To set both modes (Volt-var in high priority)
Step 1: Select and set Volt-watt mode at first.
Step 2: Enter "Working Mode" again and select and set Volt-var mode then.
Step 3: To check the priority, a new mode will appear as "V-Q & V-P" which
indicates (Q) Volt-var is in high priority.
Figure 6.32 Work Mode
YES=<ENT> NO=<ESC>
Work Mode： V-Q & V-P
To set both modes (Volt-watt in high priority)
Step 1: Select and set Volt-var mode at first.
Step 2: Enter "Working Mode" again and select and set Volt-watt mode then.
Step 3: To check the priority, a new mode will appear as "V-P & V-Q" which
indicates (P) Volt-watt is in high priority.
Figure 6.33 Work Mode
YES=<ENT> NO=<ESC>
Work Mode： V-P & V-Q
To reset dual-mode or exit the dual-mode situation
Step 1: Select "Null" mode at first.
Step 2: Enter "Working Mode" again. Redo above dual-mode setting steps to
reset OR set other modes to exit dual-mode situation.
NOTE
To check the Volt-watt and Volt-var priority, simply enter the working modes.
V-Q&V-P indicates Volt-Var First V-P&V-Q indicates Volt-Watt First
.55..54.
Figure 6.34 Power Rate Limit
Power Rate:016%
RateP_Sts-US:STOP
Over frequency load shedding Fstart range 60~62Hz, default setting 60.2Hz
Fstop can set the scope: 61-64Hz, the default setting 62Hz.
Press the Enter key to select the mode or frequency.
Press Up/Down to set. Press ESC to save the settings.
Figure 6.39 Freq-Watt characteristic
f min
f nom f start f maxf stop
100% of
Available
Power
0
Grid Frequency
6.7.8.3 Freq Derate Set
There are 5 derate modes in this menu. When operating under standard UL-1741 limits,
modes 00 to 03 are disabled. Mode 04 is used for UL1741SA frequency derating setting.
This sets the f start and f stop point.
The default setting is 00, means this function is disabled.
Figure 6.35 Freq Derate Set
Derate Mode:04
OV-F-Start: 60. 20Hz
6.7.8.2 Power Rate Limit
This function is used for change Power Ramp-up rate. When inverter start up or input string
MPPT changes, inverter power ramp-up rate is limited in this menu.
The default setting is stop (disable).
The setting range from 10% to 600%, means inverter power change rate per minute.
Values are not allowed to change. If they are set, they may not conform to the UL1741SA
standard.
This setting is applicable when UL Standards are selected.