6. Normal operation
6. Normal operation
.47.
.46.
6.7.8 STD
Mode Settings
1.
Working Mode Set
2.
Power Rate Limit
3.
Freq Derate Set
4.
10mins Voltage Set
5.
Power Priority
6.
Initial Settings
7.
Voltage PCC Set
8.
Freq-Watt
Selecting “STD Mode. Settings” displays the sub-menu shown below:
This section is applicable to maintenance personnel only.
Canadian Solar US version inverters have Seven working modes:
1. NULL
2. Volt-watt
3. Volt-Var
4. Fixed-PF
5. Reac-power
6. Power-PF
7. VgWatt-UL
Based on UL1741SA, working mode 1,3,4,7 can be used by grid operator.
6.7.8.1 Working Mode Set
6.7.8.1.1 With UL Standard selected
There are TWO situations with different grid standards selected.
NOTE
The following modes are for "UL-480V", "UL-480V-A".
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.
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 6.21
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 6.22 Volt-VAR
Voltage1
:
242V
Voltage2
:
273V
1.NULL
Description: Inverter is not under any working mode.
