Aø-Ground Test - ABB REL 301 Instruction Leaflet

Numerical distance relay
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+
Va
-
+
If
-
+
Vb
-
+
Vc
-
Rated dc Voltage
(+)
(Check Nameplate)
(-)
Install this jumper if dual
polarizing not used
Figure 5-4. Test Connection for AØ - Ground Test
20
18
16
14
12
19
17
15
13
11
REL 301/302
(Front View)
1
3
5
7
9
2
4
6
8
10

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Rel 302

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