Table des Matières
Publicité
M
Tableau C-2 Relation de déphasage - Enroulement de transformateur ANSI
Copyright 1999 © Megger
IEC
Diag
Vector
No.
Group
48
YNzn1
49
YNzn7
50
YNzn11
Winding Connection
High-Voltage
Low-Voltage
Winding (H)
Winding (X)
Winding
Phase
Shorted
Tested
By TTR
Winding
A
⎯
B
C
A
⎯
B
C
A
⎯
B
C
52
Winding Tested
High-
Low-
Voltage
Voltage
Measured
Winding
Turn Ratio
H
- H
X
- X
• 3
1
3
1
0
V
H
H
- H
X
- X
2
1
2
0
V
X
H
- H
X
- X
3
2
3
0
H
- H
X
- X
• 3
1
3
0
1
V
H
H
- H
X
- X
2
1
0
2
V
X
H
- H
X
- X
3
2
0
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
AVTMTTR25-FRN Rév C Avril 2008
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Table des Matières
