IG
IGsin
Forward
operating zone
Backward
operating zone
-VG
Correction
angle
non-
tri
p
pi
ng
zone
Min operating
current
RCA
= -90 deg
GUID-20659C27-4886-497F-82E3-6EE27C8B9984 V1 EN
Figure 160:
Operating characteristic Iosin(φ) in reverse fault
Example 3.
Iocos(φ) criterion selected, forward-type fault
=> FAULT_DIR = 1
Section 4
1MAC059074-MB A
Protection functions
344
615 series ANSI
Technical Manual
Содержание Relion 615 series
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