Section 4
Protection functions
156
=> FAULT_DIR = 2
= -90 deg
RCA
Figure 67:
Operating characteristic I
Example 3.
I
cos(φ) criterion selected, forward-type fault
0
=> FAULT_DIR = 1
0
Correction
angle
0
Min operating
current
sin(φ) in reverse fault
0
1MAC309294-MB F
0
RER620
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