ABB REX640 - Tap Changer Control with Voltage Regulator (OL5 ATCC) Main Settings

Table 187. Tap changer control with voltage regulator (OL5ATCC) main settings
Parameter Function Value (Range) Step
LDC enable OL5ATCC 0 = False
1 = True
-
Parallel mode OL5ATCC 2 = Master
3 = Follower
5 = NRP
7 = MCC
-1 = Input control
-2 = Command
-
Band center voltage OL5ATCC 0.000...2.000 × U
n
0.001
Line drop V Ris OL5ATCC 0.0...25.0% 0.1
Line drop V React OL5ATCC 0.0...25.0% 0.1
Band reduction OL5ATCC 0.00...9.00 %U
n
0.01
Stability factor OL5ATCC 0.0...70.0% 0.1
Rv Pwr flow allowed OL5ATCC 0 = False
1 = True
-
Operation mode OL5ATCC 1 = Manual
2 = Auto single
3 = Parallel manual
4 = Auto parallel
5 = Input control
6 = Command
-
Parallel trafos OL5ATCC 0...10 1
Delay characteristic OL5ATCC 0 = Inverse time
1 = Definite time
-
Band width voltage OL5ATCC 1.20...18.00 %U
n
0.01
Load current limit OL5ATCC 0.10...5.00 × I
n
0.01
Block lower voltage OL5ATCC 0.10...1.20 × U
n
0.01
LTC pulse time OL5ATCC 500...10000 ms 100
Table 188. Petersen coil controller (PASANCR)
Characteristic
Value
Measuring accuracy Resistance:
±2% or ±1 Ω
Operation accuracy
1)
I_RESONANCE:
Typically ±2 A
I_DAMPING:
Typically ±2 A
1) Network resonance point voltage must be at least 0.01 × U
n
, where U
n
= nominal phase-to-earth voltage
1MRS759144 A
REX640
Product version: 1
ABB 89