Signals - ABB RELION Series Technical Manual

Section 4
Protection functions
4.3.2.6
4.3.2.7
Table 404: PDNSPTOC Group settings (Basic)
Parameter
Start value
Operate delay time
404
IECA070698 V1 EN
Figure 209: Three-phase current quantities during the broken conductor fault in
phase A with the ratio of negative-sequence and positive-sequence
currents

Signals

Table 402: PDNSPTOC Input signals
Name
I
1
I
2
I_A
I_B
I_C
BLOCK
Table 403: PDNSPTOC Output signals
Name
OPERATE
START
Settings
Values (Range) Unit
10...100 %
100...30000 ms
Type Default Description
SIGNAL 0 Positive sequence current
SIGNAL 0 Negative sequence current
SIGNAL 0 Phase A current
SIGNAL 0 Phase B current
SIGNAL 0 Phase C current
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Start
Step Default
1 10
1 100
1MRS758755 A
Description
Start value
Operate delay time
REC615 and RER615
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