6. Normal operation
6. Normal operation
6.7.9.1 Working Mode Set
.65.
.64.
There are TWO situations with different grid standards selected.
Canadian Solar US version inverters have Seven working modes:
1. Null
2. Volt-watt
3. Volt-Var
4. Fixed-PF
5. Reac-power
6. P-factor
7. VgWatt-UL
Based on UL1741SA, working mode 1,3,4,7 can be used by grid operator.
6.7.9.1.1 With UL Standard selected
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
2. Volt-Watt (Not Required)
Description: Inverter will change the active output power based on voltage change.
Note: This Setting is NOT required by UL1741SA Standards.
1.Null
Description: Inverter is not under any working mode.
3. Volt-Var (Default)
Description: Inverter will change the reactive output power based on voltage change.
Q1
,
cap
Q2
=
Q3
=
0
Q4
,
ind
V1
V2
Vnom
V3
V4
Figure 6.24
Volt
-
VAR curve for Q
(
V
)
Default Settings for UL1741SA:
Q1: (0-60%) D30% Q4: (-60%-0%) Default -30%
Rated 480V Grid
V1:(221-279V) Default 242V V2: (221-279V) Default 273V
V3:(277-320V) Default 281V V4: (277-320V) Default 305V
Figure 6.34 Volt-var
版本号
2015-02-23 19 35
Volt-var
2015-02-23 19 35
Voltage1
：
Voltage2
：
242V
273V
Voltage3
：
281V
S E T
=
< E N T >
D O N E
=
< E S C >
Voltage4
：
Lagging
：
305V
+030%
Lagging
：
-030%
4.Fixed-PF
Description: Inverter will output power with fixed power factor.
Setting Range: -0.8 to +0.8
Default value is PF = 1
Figure 6.34 Fixed-PF
版本号
2015-02-23 19 35
Fixed-PF
2015-02-23 19 35
Power Factor
：
+1.00
E S C
U P
D O W N
E N T
Y E S
=
< E N T >
N O
=
< E S C >
NOTE
The following modes are for "UL-480V", "UL-480V-A".
