Section 4
1MAC050144-MB C
Protection functions
180
615 series ANSI
Technical Manual
Example 2.
I
0
sin(
φ
) criterion selected, reverse-type fault
=> FAULT_DIR = 2
Figure 81:
Operating characteristic I
0
sin(φ) in reverse fault
Example 3.
I
0
cos(
φ
) criterion selected, forward-type fault
=> FAULT_DIR = 1
RCA
= -90 deg
Correction
angle
Min operating
current
0
0
0
Содержание 615 Series ANSI
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