ABB REG630 - Page 54

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