 |
| REFERENCE
DATA |
| 3-Phase
Wye (Balanced Load) |
3-Phase
OpenWye (No Neutral) |
|
Definations |
 |
 |
|
For
Both Wye and Delta
(Balanced Loads)
VP = Phase voltage
VL = Line voltage
IP = Phase Current
R = R1 = R2 = R3 =
Resistance of each branch
W = Wattage |
| IP
= IL |
IP
= ILO |
| VP
= VL/1.73 |
VPO
= VL/2 |
| WWYE
= VL2/R = 3(VP2)/R |
WOWYE
= ½(VL2)/R |
| WWYE
= 1.73 VLIL |
WOWYE
= 2(VPO2/R) |
| |
|
| 3-Phase
Wye (Balanced Load) |
3-Phase
OpenWye (No Neutral) |
|
Definations |
 |
 |
|
Wye
and Delta
Equivalents
W
DELTA = 3 WWYE
WODELTA
= 2/3 WDELTA
WOWYE = ½ WWYE
|
| IP
= IL /1.73 |
VP
= VL |
| VP
= VL |
IPO1
= IPO3 = ILO2 |
| WDELTA
= 3 (VL2)/R |
ILO3
= 1.73 IPO1 |
| WDELTA
= 1.73 VLIL |
WODELTA
= 2 (VL2/R) |
| |
|
|