Instruction Manual

⎯ 132 ⎯
6 F 2 S 0 8 5 7
I
out
DF2
DF1
ik
I
in
0
2+p1
2
kp +
2
−
p1
4
ik
Figure 6.5.2 Current Differential Element (Iout - Iin Plane)
Figure 6.5.3 shows a testing circuit simulating an infeed from a primary winding and outflow from
a secondary winding.
Infeed current (I
in
)
Outflow current
(I
out
)
Single-phase
current
source
TB1
DC
voltmeter
-1
-10
-9
-2
TB4
GRT100
-
A
16
-
A
17
Monitoring
j
ack
E
A
0V
DC
power
supply
+
−
+
−
+
−
A
φ
Single-phase
current
source
+
−
A
I
out
I
in
Figure 6.5.3 Percentage Restraining Characteristic Test of DIF (Model 100s, 200s)