Table des Matières
Publicité
Tableau C-2 Relation de déphasage - Enroulement de transformateur ANSI
Copyright 1999© Megger
IEC
Diag
Vector
No.
Group
42
Yd11
43
VREG
44
Dyn3
45
Dy3
46
Dyn9
47
Dy9
AVTMTTR25-FRN Rév C Avril 2008
Winding Connection
High-Voltage
Low-Voltage
Winding (H)
Winding (X)
S
L
SL
X
1
X
3
X
2
X
2
Winding
Phase
Shorted
Tested
By TTR
A
H
- H
3
B
H
- H
1
C
H
- H
2
1φ
_
_
A
⎯
B
C
A
H
- H
3
X
B
H
- H
2
1
C
H
- H
2
X
3
A
⎯
B
X
0
C
X
1
X
3
A
H
- H
3
B
H
– H
1
*
C
H
– H
2
X
1
51
Annexe C
Winding Tested
High-
Low-
Voltage
Voltage
Measured
Winding
Winding
Turn Ratio
H
-(H
+H
)
X
- X
2
1
3
2
1
3
H
-(H
+H
)
X
- X
3
2
1
3
2
1
H
-(H
+H
)
X
- X
1
3
2
1
3
2
S-SL
L-SL
H
– H
X
– X
3
1
2
0
H
– H
X
– X
1
2
3
0
H
– H
X
– X
2
3
1
0
H
-(H
+H
)
X
- X
V
2
1
3
2
3
2
H
-(H
+H
)
X
- X
3
2
1
3
1
3
V
H
-(H
+H
)
X
– X
1
3
2
1
2
1
H
- H
X
- X
1
3
2
0
H
- H
X
- X
2
1
3
0
H
- H
X
- X
3
2
1
0
H
-( H
+H
)
X
- X
V
2
1
3
2
2
3
H
-( H
+H
)
X
- X
3
2
1
3
3
1
V
H
-( H
+H
)
X
- X
1
3
2
1
1
2
V
3
•
H
V
2
X
V
H
V
X
V
H
•
V
3
X
2
•
H
3
X
V
H
•
V
3
X
2
•
H
3
X
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