ABB RELION REX640 - 9.7.8 ASNSCSYN Settings

Name Type Description
SYNC_OK BOOLEAN Systems in synchronism
MATCH_OK BOOLEAN Voltage and frequency of the
systems matched
MATCH_INPRO BOOLEAN Voltage and frequency
matching in progress
SYNC_INPRO BOOLEAN Synchronization in progress
LADB BOOLEAN Live bus A, dead bus B
LALB BOOLEAN Live bus A, live bus B
DALB BOOLEAN Dead bus A, live bus B
DADB BOOLEAN Dead bus A, dead bus B
U_DIFF FLOAT32 Line voltage difference across
synchronizing CB
FR_DIFF_MEAS FLOAT32 Calculated voltage frequency
difference
CB_SELECTED BOOLEAN CB selected for synchroniza-
tion
NS_ASC_DAT INT32 Integer weighted output data
to ASCGAPC
9.7.8 ASNSCSYN Settings
Table 1535: ASNSCSYN Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Live dead mode
-2=Command
-1=Off
1=Both Dead
2=Live B, Dead A
3=Dead B, Live A
4=Dead A, B Any
5=Dead B, A Any
6=One Live, Dead
7=Not Both Live
1=Both Dead Live dead mode
Diff voltage 0.01...0.50 xUn 0.01 0.05 Maximum voltage
difference limit
Diff frequency 0.001...0.060 xFn 0.001 0.001 Maximum frequen-
cy difference limit
Diff angle 5...90 deg 1 5 Maximum angle
difference limit
Table 1536: ASNSCSYN Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Multiple command
0=Off
1=On
0=Off Multiple command
to the circuit break-
er
Voltage offset -0.100...0.100 xUn 0.001 0.000 Voltage offset
Frequency offset -0.010...0.010 xFn 0.001 0.000 Frequency offset
1MRS759142 F Control functions
REX640
Technical Manual
1603