Chapter 2 Installation
11
(C)
(B)
(A)
-
-
-
-
+
L
K
+
+
+
+
+
-
K
-
LOAD
L
12
10
11
c99-09038
8
5
2
7
9
6
3
4
1
LINE 3
LINE 2
LINE 1
V
N
V
3
V
2
V
1
I
1
I
3
2
I
Shorting
Switches
Voltages
+
-
+
-
Currents
(A)
(C)
(B)
K
K
L
+
-
+
K
L
LOAD
-
L
c99-09039
+
+
+
+
-
-
-
-
LINE 3
LINE 2
LINE 1
V
N
V
3
V
2
V
1
11
8
5
2
Shorting
Switches
Voltages
1
7
10
12
+
+
9
4
-
6
+
3
-
-
Currents
Figure 2-5
Three Wire Open
Delta Connection
Using 2 PTs, 2 CTs
(2-element)
Wiring Mode =
3OP2
Figure 2-6
Three Wire Open
Delta Connection
Using 2 PTs, 3 CTs
(2
½
-element)
Wiring Mode =
3OP3
