5. Operation
5. Operation
3. Volt-Var
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 5.48
Volt
-
Var curve for Q
(
V
)
Default Settings for Rule21 Standard:
Q1: (0-60%) D30% Q4: (-60%-0%) Default -30%
Rated 240V Grid
V1:(192-264V) Default 220.8V V2: (192-264V) Default 232.1V
V3:(240-288V) Default 248.0V V4: (240-288V) Default 256.8V
Rated 208V Grid
V1:(166-229V) Default 191V V2: (166-229V) Default 201V
V3:(208-250V) Default 215V V4: (208-250V) Default 223V
Figure 5.49 Volt-Var
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Voltage1:
Voltage2:
Voltage3:
220.8V
232.1V
248.0V
Voltage4:
256.8V
S E T
=
< E N T >
D O N E
=
< E S C >
Volt-Var
Leading:
+030%
Leading:
-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 5.50 Fixed-PF
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Power Factor:
+1.00
Fixed-PF
Y E S
=
< E N T >
N O
=
< E S C >
Figure 5.44 PF Range
0,6
0,6
1,0
-1,0
P/P
n
under-excited
Q/P
n
under-excited
over-excited
over-excited
I
II
IV
III
-0,2
5. Reac-Power (Not Required)
Description: Inverter will generate reactive power based on changing output power.
Note: This Setting is NOT required by Rule21 Standards.
NOTE:
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
.48.
.49.