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Q fix mode: In this mode, the ComBox will regulate the reactive power of
the inverter according to the Q value which is set by the user. You need to
input the Q value and choose the phase as shown in Fig. 5-15.
Fig. 5-15: Q fix mode
Q variable mode: In this mode, the ComBox will produce a curve according
to the “U/Un”, “Q value” and phase position of points 1,2,3 and 4, and will
regulate the reactive power according to this curve, as shown in Fig. 5-17.
Fig. 5-16: Q variable mode
0.50
1.00
1.04
1.08
U/Un
Q
1
0.96
0.50
Leading
Lagging
1.12
Fig. 5-17: Q variable Cure
To cancel the output power limit function untick the checkbox and click the “OK”
button.
