Table des Matières
Publicité
M
Tableau C-2 Relation de déphasage - Enroulement de transformateur ANSI
Copyright 1999© Megger
IEC
Diag
Vector
No.
Group
14
Dy7
15
Dyn11
16
Dy11
17
Dz0
18
Dz6
19
YNy0
Winding Connection
High-Voltage
Low-Voltage
Winding (H)
Winding (X)
Winding
Phase
Shorted
Tested
By TTR
Winding
A
H
- H
H
3
2
B
H
- H
H
1
3
C
H
- H
H
2
1
⎯
A
B
C
A
H
- H
H
3
2
B
H
- H
H
1
3
C
H
- H
H
2
1
A
⎯
B
C
A
⎯
B
C
A
H
- H
H
2
0
B
H
- H
H
3
0
C
H
- H
H
1
0
46
Winding Tested
High-
Low-
Voltage
Voltage
Measured
Winding
Turn Ratio
-(H
-H
)
X
- X
• 3
1
3
2
2
1
V
H
-(H
-H
)
X
- X
2
1
3
3
2
V
X
-(H
-H
)
X
- X
3
2
1
1
3
H
- H
X
- X
• 3
1
3
0
3
V
H
H
- H
X
- X
2
1
0
1
V
X
H
- H
X
- X
3
2
0
2
-(H
-H
)
X
- X
• 3
1
3
2
1
3
V
H
-(H
-H
)
X
- X
2
1
3
2
1
V
X
-(H
-H
)
X
- X
3
2
1
3
2
H
- H
X
- X
V
1
3
1
3
H
H
- H
X
- X
2
1
2
1
V
X
H
- H
X
- X
3
2
3
2
H
- H
X
- X
V
1
3
3
1
H
H
- H
X
- X
2
1
1
2
V
X
H
- H
X
- X
3
2
2
3
-(H
-H
)
X
- X
V
1
2
0
1
3
H
-(H
-H
)
X
- X
2
3
0
2
1
V
X
-(H
-H
)
X
- X
3
1
0
3
2
AVTMTTR25-FRN Rév C Avril 2008
Publicité
Table des Matières
