Table 113. Low-voltage ride-through protection (LVRTPTUV) main settings
Parameter
Function
Value (Range)
Step
Voltage start value
LVRTPTUV
0.05...1.20 × U
n
0.01
Num of start phases
LVRTPTUV
4 = Exactly 1 of 3
5 = Exactly 2 of 3
6 = Exactly 3 of 3
-
Voltage selection
LVRTPTUV
1 = Highest Ph-to-E
2 = Lowest Ph-to-E
3 = Highest Ph-to-Ph
4 = Lowest Ph-to-Ph
5 = Positive Seq
-
Active coordinates
LVRTPTUV
1...10
1
Voltage level 1
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 2
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 3
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 4
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 5
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 6
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 7
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 8
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 9
LVRTPTUV
0.00...1.20 xUn
0.01
Voltage level 10
LVRTPTUV
0.00...1.20 xUn
0.01
Recovery time 1
LVRTPTUV
0...300000 ms
1
Recovery time 2
LVRTPTUV
0...300000 ms
1
Recovery time 3
LVRTPTUV
0...300000 ms
1
Recovery time 4
LVRTPTUV
0...300000 ms
1
Recovery time 5
LVRTPTUV
0...300000 ms
1
Recovery time 6
LVRTPTUV
0...300000 ms
1
Recovery time 7
LVRTPTUV
0...300000 ms
1
Recovery time 8
LVRTPTUV
0...300000 ms
1
Recovery time 9
LVRTPTUV
0...300000 ms
1
Recovery time 10
LVRTPTUV
0...300000 ms
1
Table 114. Voltage vector shift protection (VVSPPAM)
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured voltage:
f
n
±1 Hz
±1°
Operate time
1)2)
Typically 53 ms
1)
f
n
= 50 Hz, results based on statistical distribution of 1000 measurements
2)
Includes the delay of the signal output contact
1MRS759144 A
REX640
Product version: 1
ABB
65
Summary of Contents for RELION REX640
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