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GE IFD Instructions Manual page 16

Percentage differential relay

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POWER TRANSFORMER
WYE CONNECTED
WINDING
(
+
)
1
TS
;
~
n
CD
OP
Q T
CD
w
dL
o
IX
)
4
^
CD
CO
CD
11
CD
CD
i
;
;
o
<
<
52
"
O
o
CD
a
CD
m
m
x
S
S 3
7
*
rt
l
NEUTRAL
RESISTOR
CD
CO
TC
CD
D
=
3
o
QJ
CD
OP
.
INST
.
yV
^
rA
/
V
-
o
CD
l
7 )
O
Z 3
CIRCUIT BREAKER
xn
ZS
(
D
n
AA
-
AAJ
ri
-
AUX
.
CT
.
IF
REQUIRED
TO
MATCH CT
RATIOS
X
o
rs
to
o
D
zr
n >
~
n
>
o
<
'
CD
<
<
REST
.
O
PJ
11
1
QJ
'
<
REST
.
0
8
REST
.
17
16

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