a
b
a>b
OR
|I
OP
|
STx
TRx
AND
AND
Ix>
BLKSTx
BLOCK
Characteristx=DefTime
DirModex=Off
DirModex=Non-directional
DirModex=Forward
DirModex=Reverse
AND
AND
FORWARD_Int
REVERSE_Int
OR
BLKTR
OR
STAGEx_DIR_Int
SimplifiedlogicdiagramforresidualOC
stagex-IEC11000281.vsd
AND
AND
Characteristx=Inverse
Inverse
tx
min
tx
IEC11000281-1-en.vsd
IEC11000281 V1 EN
Figure 95:
Operating characteristic for earth-fault directional element using the
zero sequence components
1MRK 502 048-UEN A
Section 8
Current protection
199
Technical manual
Summary of Contents for REG650 ANSI
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