6. Normal operation
6. Normal operation
7.VgWatt-UL
Description: Inverter will change the active output power based on voltage change.
Note: This is the Volt-Watt Setting for UL1741SA Standards.
Figure 6.26 VgWatt-UL
Voltage1
:
254V
P
-
Limit1
:
100
%
100
%
of
Input
Power
Vmin
Vnom
Vstart
Vstop
Vmax
AC Volt
0
Figure 6.25 Volt
-
Watt
characteristic
Default Settings for UL1741SA:
Rated 480V Grid
V1:less than V2
V2:less than Vstart
V3 (Vstart): (277-333V) Default305V
V4 (Vstop): (305-360V) Default 333V
P1:100% P2:100% P3: 100% P4:0%
.51.
.50.
Canadian Solar US version inverters have Ten working modes:
1. NULL
2. Volt-watt
3. Volt-Var
4. Fixed-PF
5. Reac-power
6. Power-PF
7. VgWatt-UL
6.7.8.1.2 With Rule21 Standard selected
NOTE
The other three working mode"P1-V-Watt","P1-V-Var" and
"P1-V-P&V-Q" are NOT applicable for settings.
Based on Rule21, working mode 1,2,3,4 can be used by grid operator.
1.NULL (Mode Reset)
Description: Inverter is not under any working mode.
2. Volt-Watt
Description: Inverter will change the active output power based on voltage change.
Note: This is the Volt-Watt Setting for Rule21 Standards.
Figure 6.27 Volt
-
Watt
characteristic
No Real Power
Production Zone
0%
106%
108%
110%
Real Power
Reduction Zone
Full Power Production
Capabilities Zone
50%
100%
Active Power
as % of
Nameplate
% Voltage
NOTE
The following modes are for "R21P3-48A".
