Goodrive3000 series medium voltage VFD
Goodrive3000 rectifier
-26-
Function
code
Name
Description
Setting range
Default
P03.17
Current-loop
proportional
coefficient P
0.001
–30.000
0.001
–30.000
1.000
P03.18
Current-loop integral
coefficient I
0.01
–300.00
0.01
–300.00
1.00
Note:
The two function codes impact the dynamic response speed and control accuracy of the system. Generally, you do
not need to modify the two function codes.
Function
code
Name
Description
Setting range
Default
P03.19
Power factor setting
method
0: Angle based
1: Reserved
0
–1
0
P03.20
Rectifier power factor
angle
-90.0°
–90.0°
A positive value indicates inductive,
while a negative value indicates
capacitive.
-90.0
–90.0
0.0°
P03.21
Feedback power
factor angle
0.0°
P03.19
–P03.21 are used to set the power factor in COSφ running mode by using the angle between voltage and current
or by direct setting. The following figures show the relationship between the power factor and the angle. When the angle is
used for power fa
ctor setting, this function code group is used to determine θ. When the power factor is directly set, this
function code group is used to determine cosθ.
u (t)
i (t)
t
θ
(1) Current lagging voltage,
θ<90
°
u (t)
i (t)
t
θ
(3) Current lagging voltage
,
θ>90
°
t
t
u (t)
i (t)
θ
(2) Current leading voltage,
θ<90
°
u (t)
i (t)
θ
(4) Current leading voltage,
θ>90
°
Figures (1) and (3) correspond to inductive and figures (2) and (4) correspond to capacitive.
When P03.19=0, the rectifier power factor is cos(P03.20), and the feedback power factor is cos(P03.21).
If P03.20>=0, figure (1) shows the relationship and the angle is θ.
If P03.20<0, figure (2) shows the relationship and the angle is
θ. The negative sign of P03.20 indicates capacitive.
If P03.21>=0, figure (3) shows the relationship and the angle is θ.
If P03.21<0, figure (4) shows the relationship and the angle is θ. The negative sign of P03.21 indicates capacitive.
Function
code
Name
Description
Setting range
Default
P03.24
Overmodulation control
selection
Determines
whether
to
take
inductive reactive power injection to
improve the active current output
capacity
when
the
modulation
system exceeds the overmodulation
0
–1
0
