Signals; Settings - ABB Relion SMU615 Technical Manual

1MRS758407 B
5.3.6
5.3.7
Table 186: SEQRFUF Non group settings (Basic)
Parameter Values (Range)
Operation
Table 187: SEQRFUF Non group settings (Advanced)
Parameter Values (Range)
Neg Seq current Lev
Neg Seq voltage Lev
Current change rate
Voltage change rate
Change rate enable
Table continues on next page
SMU615
Technical Manual

Signals

Table 184: SEQRFUF Input signals
Name
I_A
I_B
I_C
I
2
U_A_AB
U_B_BC
U_C_CA
U
2
BLOCK
CB_CLOSED
DISCON_OPEN
MINCB_OPEN
Table 185: SEQRFUF Output signals
Name
FUSEF_3PH
FUSEF_U

Settings

Unit
1=on
5=off
Unit
0.03...0.20 xIn
0.03...0.20 xUn
0.01...0.50 xIn
0.25...0.90 xUn
0=False
1=True
Type Default Description
SIGNAL 0 Phase A current
SIGNAL 0 Phase B current
SIGNAL 0 Phase C current
SIGNAL 0 Negative sequence current
SIGNAL 0 Phase A voltage
SIGNAL 0 Phase B voltage
SIGNAL 0 Phase C voltage
SIGNAL 0 Negative phase sequence voltage
BOOLEAN 0=False Block of function
BOOLEAN 0=False Active when circuit breaker is closed
BOOLEAN 0=False Active when line disconnector is open
BOOLEAN 0=False Active when external MCB opens protected voltage
circuit
Type Description
BOOLEAN Three-phase start of function
BOOLEAN General start of function
Step Default
1=on
Step Default
0.01 0.03
0.01 0.10
0.01 0.15
0.01 0.40
0=False
Section 5
Supervision functions
Description
Operation Off / On
Description
Operate level of neg seq undercurrent
element
Operate level of neg seq overvoltage
element
Operate level of change in phase current
Operate level of change in phase voltage
Enabling operation of change based
function
147