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
Содержание RELION REX640
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