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Title: Phase circuits
Description: There are 3 phase circuits. The notes are about them.
Description: There are 3 phase circuits. The notes are about them.
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Phase Circuits
• Single phase Systems
1
...
Vp is the voltage of source and Ø0 is the phase of it
...
2
...
Vp is the voltage of source and Ø0 is the phase of it
...
• Two phase System
This circuit is three wire type circuit and the phase of the two voltage sources are different
...
V1
Vp
1Vpk
1kHz
Ø0
0°
V2
Vp
1Vpk
1kHz
-900
0°
ZL1
ZL2
• Three phase System
Connection types-
1
...
Magnitude
VL =
3 V
VL- Line voltage
Vø- Phase voltage
2
...
Delta connection
➢ Load
➢ Source
In Delta System
IL- Line current
VL = Vφ
Iø- Phase current
1
...
Phase
I L = I − 30
Iø- Phase current
Title: Phase circuits
Description: There are 3 phase circuits. The notes are about them.
Description: There are 3 phase circuits. The notes are about them.