GE G60 Instruction Manual page 293
Generator management relay
Hide thumbs
Also See for G60:
- Instruction manual (780 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (722 pages)
Table of Contents
Advertisement
8 THEORY OF OPERATION
Table 8–2: PHASE DISTANCE INPUT SIGNALS FOR WYE-DELTA TRANSFORMERS
TRANSFORMER
LOOP
CONNECTION
Yd1
AB
BC
CA
Yd3
AB
BC
CA
Yd5
AB
BC
CA
Yd7
AB
BC
CA
Yd9
AB
BC
CA
Yd11
AB
BC
CA
GE Multilin
8.1 PHASE DISTANCE THROUGH POWER TRANSFORMERS
CURRENT
TRANSFORMATION
1
------ - 2I
(
)
I
I
I
=
–
–
AB_21P
A
B
C
3
1
------ - 2I
(
)
I
I
I
=
–
–
BC_21P
B
A
C
3
1
(
)
------ - 2I
I
I
I
=
–
–
CA_21P
C
A
B
3
1
(
)
------ - I
I
I
2I
=
+
–
AB_21P
A
B
C
3
1
(
)
------ - I
I
I
2I
=
+
–
BC_21P
B
C
A
3
1
(
)
------ - I
I
I
2I
=
+
–
CA_21P
A
C
B
3
1
(
)
------ - 2I
I
I
I
=
–
–
AB_21P
B
A
C
3
1
(
)
I
------ - 2I
I
I
=
–
–
BC_21P
C
A
B
3
1
(
)
I
------ - 2I
I
I
=
–
–
CA_21P
A
B
C
3
1
(
)
I
------ - I
I
2I
=
+
–
AB_21P
B
C
A
3
1
------ - I
(
)
I
I
2I
=
+
–
BC_21P
A
C
B
3
1
------ - I
(
)
I
I
2I
=
+
–
CA_21P
A
B
C
3
1
------ - 2I
(
)
I
I
I
=
–
–
AB_21P
C
A
B
3
1
------ - 2I
(
)
I
I
I
=
–
–
BC_21P
A
B
C
3
1
(
)
------ - 2I
I
I
I
=
–
–
CA_21P
B
A
C
3
1
(
)
------ - I
I
I
2I
=
+
–
AB_21P
A
C
B
3
1
(
)
------ - I
I
I
2I
=
+
–
BC_21P
A
B
C
3
1
(
)
------ - I
I
I
2I
=
+
–
CA_21P
B
C
A
3
G60 Generator Management Relay
VOLTAGE
TRANSFORMATION
V
3V
=
AB_21P
A
V
3V
=
BC_21P
B
V
3V
=
CA_21P
C
V
3V
=
–
AB_21P
C
V
3V
=
–
BC_21P
A
V
3V
=
–
CA_21P
B
V
3V
=
AB_21P
B
V
3V
=
BC_21P
C
V
3V
=
CA_21P
A
V
3V
=
–
AB_21P
A
V
3V
=
–
BC_21P
B
V
3V
=
–
CA_21P
C
V
3V
=
AB_21P
C
V
3V
=
BC_21P
A
V
3V
=
CA_21P
B
V
3V
=
–
AB_21P
B
V
3V
=
–
BC_21P
C
V
3V
=
–
CA_21P
A
8
8-3
Advertisement
Table of Contents
