ABB RELION 630 Series Product Manual page 54

Generator Protection and Control
REG630
Product version: 1.3
Table 117. Tap changer control with voltage regulator (OLATCC) main settings
Parameter
Operation mode
Custom Man blocking
Delay characteristic
Band width voltage
Load current limit
Block lower voltage
Runback raise V
Cir current limit
LDC limit
Lower block tap
Raise block tap
LDC enable
Auto parallel mode
Band center voltage
Line drop V Ris
Line drop V React
Band reduction
Stability factor
Load phase angle
Control delay time 1
Control delay time 2
54
Function
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
OLATCC
Value (Range)
Manual
Auto single
Auto parallel
Input control
Custom disabled
OC
UV
OC, UV
EXT
OC, EXT
UV, EXT
OC, UV, EXT
Inverse time
Definite time
1.20...18.00%
0.10...5.00 pu
0.10...1.20 pu
0.80...1.60 pu
0.10...5.00 pu
0.00...2.00 pu
-36...36
-36...36
FALSE
TRUE
Master
Follower
NRP
MCC
0.000...2.000 pu
0.0...25.0%
0.0...25.0%
0.0...9.0%
0.0...70.0%
-89...89°
1.0...300.0 s
1.0...300.0 s
1MRS757583 C
Step
-
-
-
0.01
0.01
0.01
0.01
0.01
0.01
1
1
-
1
0.001
0.1
0.1
0.1
0.1
1
0.1
0.1
ABB