A070695 V4 EN
Figure 386: Inrush current in transformer
It is recommended to use the second harmonic and the waveform based
inrush blocking from the 87T function, if available.
5.1.6 Signals
Table 669: INR Input signals
Name
Type Default Description
I_2H_A SIGNAL 0 Second harmonic phase A current
I_1H_A SIGNAL 0 Fundamental frequency phase A current
I_2H_B SIGNAL 0 Second harmonic phase B current
I_1H_B SIGNAL 0 Fundamental frequency phase B current
I_2H_C SIGNAL 0 Second harmonic phase C current
I_1H_C SIGNAL 0 Fundamental frequency phase C current
BLOCK BOOLEAN 0=False Block input status
Section 5 1MAC059074-MB A
Protection related functions
770 615 series ANSI
Technical Manual
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