IECA070698 V1 EN
Figure 243: Three-phase current quantities during the broken conductor fault in
phase A with the ratio of negative-sequence and positive-sequence
currents
4.4.2.6 Signals
Table 365: PDNSPTOC Input signals
Name
Type Default Description
I
1
SIGNAL 0 Positive sequence current
I
2
SIGNAL 0 Negative sequence current
I_A SIGNAL 0 Phase A current
I_B SIGNAL 0 Phase B current
I_C SIGNAL 0 Phase C current
BLOCK BOOLEAN 0=False Block signal for activating the blocking
mode
Table 366: PDNSPTOC Output signals
Name
Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
4.4.2.7 Settings
Table 367: PDNSPTOC Group settings
Parameter
Values (Range) Unit Step Default Description
Start value 10...100 % 1 10 Start value
Operate delay time 100...30000 ms 1 100 Operate delay time
1YHT530004D05 D Section 4
Protection functions
615 series 455
Technical Manual
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