Constant Reactive Power; Q(U) - Delta RPI-M8 User Manual

7.2.6.4.5

Constant Reactive Power

When this Mode is activated, inverter will maintain the reactive power as a
constant value.
Figure 7-23 Constant Reactive Power setting page
7.2.6.4.6

Q(U)

RPI-series support two kind of Q(U) curves. Please refer to fiqure 7-24.
Reactive Power Control
a
V1s
V2s
b
Qs limit
c
d V1i
V2i
e
Qi limit
f
Reactive Power Control
Delay Time
Lock-in Power
Lock-out Power
Mode
g
Reactive Power Control
Reactive Power (Q/Sn)
Mode
21. Jun 2010 13:50
[ 248.4 ] V
[ 253.0 ] V
[ Ind 44 ] %
[ 211.6 ] V
[ 207.0 ] V
[ Cap 44 ] %
21. Jun 2010 13:50
[ 10 ] s
[ 20 ] %
[ 5 ] %
[ OFF ]
Figure 7-24 Q(U) setting page
21. Jun 2010 13:50
[ Cap 30 ]
%
[ OFF ]
V
b
V
2s
V a
1s
Q
d V
s limit
1i
c
V
2i
e
Curve A
g
V
b
V
2s
a
V
1s
Q
V
d
s limit
1i
c
V
2i
e
Curve B
g
f
Q
i limit
Q
f
Q
i limit
Q
47