User Manual
51
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 7.31 Volt-VAR curve for Q( V)
Default Settings for Rule21 Standards:
Rated 600V Grid
V1:less than Vstart
V2 (Vstart): (599-719V) Default 636V
V3 (Vstop): (660-779V) Default 660V
V4: larger than Vstop
P1:100% P2:100% P3: 0% P4:0%
Rated 800V Grid
V1:(640-800V) Default 736V V2: (800-960V) Default 848V
V3:(800-960V) Default 880V V4: (800-960V) Default 920V
P1:100% P2:100% P3: 0% P4:0%
Default Settings for Rule21 Standard:
Q1: (0-60%) Default +30% Q4: (-60%-0%) Default -30%
Rated 600V Grid
V1:(478-600V) Default 551V V2: (478-600V) Default 580V
V3:(600-719V) Default 618V V4: (600-719V) Default 640V
Figure 7.32 Volt-VAR (600V for 125K/185K)
Voltage1:0551V
Voltage2:0580V
7. Normal operation
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