ABB REX640 - Voltage Unbalance (VSQVUB) Main Settings; Voltage Unbalance (VSQVUB)

Table 220. Voltage unbalance (VSQVUB)
Characteristic Value
Operation accuracy ±1.5% of the set value or ±0.002 × U
n
Reset ratio Typically 0.96
Table 221. Voltage unbalance (VSQVUB) main settings
Parameter Function Value (Range) Step
Operation VSQVUB 1 = on
5 = off
-
Unb detection method VSQVUB 1 = Neg Seq
2 = Zero Seq
3 = Neg to Pos Seq
4 = Zero to Pos Seq
5 = Ph vectors Comp
-
1MRS759144 A
REX640
Product version: 1
ABB 97