
DOUBLE DELTA --  SINGLE PHASE CONNECTION
| 
 | T3 | T5 | 
 | T11 | 
| 
 | 
 | 
 | T9 | |
| T6 | 
 | T2 | T12 | T8 | 
| 
 | 
 | 
 | ||
| L2 | T1 | T4 | T7 | T10 L1 | 
 L - N
 L - N 

 L - N
 L - N 

L - L
VOLTAGE (DOUBLE DELTA)
| Hz | ||
| 60 | 240 | 120 | 
| 
 | 220 | 110 | 
| 50 | 220 | 110 | 
Note: 
LOW ZIG ZAG 
T3
L2
T6T2
T12 T8
T5
T9T11
T4T1
T10T7
 L - N
 L - N 
 L - N
 L - N
L - L
VOLTAGE (LOW ZIGZAG)
| Hz | ||
| 60 | 240 | 120 | 
| 
 | 220 | 110 | 
| 50 | 220 | 110 | 
| 
 | 200 | 100 | 
L1
Note: 
HIGH ZIG ZAG --  SINGLE PHASE CONNECTION
T3 L2
T12  T1
 T1
T9T4
T6 
 T7
 T7
| T10 T11 | T8 T5 | T2 | 
 L - N
 L - N 
 L - N
 L - N 

L - L
| 
 | VOLTAGE (HIGH ZIGZAG) | ||
| 
 | Hz | ||
| 
 | 60 | 480 | 240 | 
| 
 | 
 | 460 | 220 | 
| 
 | 50 | 415 | 208 | 
| L1 | 
 | 380 | 190 | 
| 
 | 
 | 
 | |
Note: 
10
