ABB Relion 670 series, Technical Manual

Page: 884 / 1432

a=b
a
b
a=b
a
b
a=b
a
b
a=b
a
b
MAX
a=b
a
b
a=b
a
b
a=b
a
b
a=b
a
b
MIN
VCCT4
VCCT3
VCCT2
VCCT1
AND
AND
AND
AND
AND
AND
AND
AND
T4PG
T3PG
T2PG
T1PG
T4PG
T3PG
T2PG
NOT
AND
AND
AND
AND
AND
AND
AND
T4
T3
T2
T1
AND
AND
AND
AND
AND
AND
AND
T1
T2
T3
T4
OR
AND
OR
OR
AND
OR
OR
OR
OR
a=b
a
b
a=b
a
b
S
S
ADAPT
ActualUser
Vdeadband
LoadVoltage
HOMING
OperSimTap
SIMLOWER
SIMRAISE
en06000521_ansi.vsd
NOT
NOT
NOT
NOT
NOT
NOT
NOT
ANSI06000521 V1 EN-US
Figure 467: Simplified logic for simultaneous tapping prevention
Section 14 1MRK 502 066-UUS B
Control
878
Technical manual