a
b
a>b
OR
|I
OP
|
PU_STx
TRSTx
AND
AND
Pickupx
BLKx
BLOCK
Characteristx=DefTime
DirModeSelx=Disabled
DirModeSelx=Non-directional
DirModeSelx=Forward
DirModeSelx=Reverse
AND
AND
FORWARD_Int
REVERSE_Int
OR
BLKTR
OR
STAGEx_DIR_Int
ANSI11000281-1-en.vsd
AND
AND
Characteristx=Inverse
Inverse
ANSI11000281-1-en.vsd
0
0-tx
0
0-txMin
ANSI11000281 V1 EN
Figure 39:
Operating characteristic for ground-fault directional element using the
zero sequence components
1MRK 511 287-UUS A
Section 6
Current protection
111
Technical manual
Содержание REC650 ANSI
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