User Manual
47
3. Volt-Var (Default)
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 7.22 Volt-VAR curve for Q( V)
Default Settings for UL1741SA:
Q1: (0-60%) Default +30% Q4: (-60%-0%) Default -30%
Rated 600V Grid
V1:(480-600V) Default 552V V2: (480-660V) Default 580V
V3:(600-720V) Default 620V V4: (600-720V) Default 642V
Rated 800V Grid
V1:(640-800V) Default 736V V2: (640-880V) Default 774V
V3:(800-960V) Default 826V V4: (800-960V) Default 856V
Figure 7.23 Volt-VAR (600V for 125K/185K)
Voltage1:0525V
Voltage2:0589V
Figure 7.24 Volt-VAR (800V for 255K)
Voltage1:0736V
Voltage2:0774V
7. Normal operation
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