ABB Relion 620 Series - Settings

Table 995: SECRSYN Output signals
Name Type Description
SYNC_INPRO BOOLEAN Synchronizing in progress
SYNC_OK BOOLEAN Systems in synchronism
CL_FAIL_AL BOOLEAN CB closing failed
CMD_FAIL_AL BOOLEAN CB closing request failed
LLDB BOOLEAN Live Line, Dead Bus
LLLB BOOLEAN Live Line, Live Bus
DLLB BOOLEAN Dead Line, Live Bus
DLDB BOOLEAN Dead Line, Dead Bus
9.3.7 Settings
Table 996: SECRSYN Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Live dead mode
-1=Off
1=Both Dead
2=Live L, Dead B
3=Dead L, Live B
4=Dead Bus, L Any
5=Dead L, Bus Any
6=One Live, Dead
7=Not Both Live
1=Both Dead Energizing check
mode
Difference voltage 0.01...0.50 xUn 0.01 0.05 Maximum voltage
difference limit
Difference frequen-
cy
0.001...0.100 xFn 0.001 0.001 Maximum frequen-
cy difference limit
Difference angle 5...90 deg 1 5 Maximum angle dif-
ference limit
Table 997: SECRSYN Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Synchro check
mode
1=Off
2=Synchronous
3=Asynchronous
3=Asynchronous Synchro check op-
eration mode
Dead line value 0.1...0.8 xUn 0.1 0.2 Voltage low limit
line for energizing
check
Live line value 0.2...1.0 xUn 0.1 0.8 Voltage high limit
line for energizing
check
Dead bus value 0.1...0.8 xUn 0.1 0.2 Voltage low limit
bus for energizing
check
Table continues on the next page
1MRS757644 H Control functions
620 series
Technical Manual
1009