IdUnre
IDL1MAG
2nd
Harmonic
5th
Harmonic
Wave
block
IDL1
AND
Cross Block
from L2 or L3
OpCrossBlock=On
OR
1
IBIAS
TRIPUNREL1
STL1
TRIPRESL1
BLK2HL1
BLKWAVL1
en06000545.vsd
a
b
b>a
OR
AND
Cross Block
to L2 or L3
AND
AND
AND
BLKUNRES
BLOCK
BLKRES
BLK5HL1
S
w
itc
h
o
n
to
f
au
lt
lo
gi
c
IEC06000545 V1 EN
Figure 38:
Transformer differential protection simplified logic diagram for Phase
L1
IEC05000167-TIFF V1 EN
Figure 39:
Transformer differential protection simplified logic diagram for
internal/external fault discriminator
Section 6
1MRK 502 048-UEN A
Differential protection
106
Technical manual
Summary of Contents for REG650 ANSI
Page 1: ...Relion 650 series Generator protection REG650 Technical manual ...
Page 2: ......
Page 36: ...30 ...
Page 42: ...36 ...
Page 50: ...44 ...
Page 64: ...58 ...
Page 86: ...80 ...
Page 262: ...256 ...
Page 300: ...294 ...
Page 438: ...432 ...
Page 476: ...470 ...
Page 592: ...586 ...
Page 664: ...658 ...
Page 678: ...672 ...
Page 726: ...720 ...
Page 727: ...721 ...