GUID-FA46F951-B376-4BC7-BCF4-F970C876CA7A-ANSI V1 EN
Figure 125:
Closed ring network topology where feeding lines are protected with
directional overcurrent protection relays
4.1.2.8
Signals
Table 242:
67/51P Input signals
Name
Type
Default
Description
I_A
SIGNAL
0
Phase A current
I_B
SIGNAL
0
Phase B current
I_C
SIGNAL
0
Phase C current
I
2
SIGNAL
0
Negative phase sequence current
V_A_AB
SIGNAL
0
Phase to ground voltage A or phase to phase voltage AB
V_B_BC
SIGNAL
0
Phase to ground voltage B or phase to phase voltage BC
V_C_CA
SIGNAL
0
Phase to ground voltage C or phase to phase voltage
CA
V
1
SIGNAL
0
Positive phase sequence voltage
V
2
SIGNAL
0
Negative phase sequence voltage
BLOCK
BOOLEAN
0=False
Block signal for activating the blocking mode
ENA_MULT
BOOLEAN
0=False
Enable signal for current multiplier
NON_DIR
BOOLEAN
0=False
Forces protection to non-directional
Section 4
1MAC059074-MB A
Protection functions
250
615 series ANSI
Technical Manual
Summary of Contents for Relion 615 series
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