Transmission Lines
![](http://appassets.softecksblog.in/electrical_engineering/assets/power_system/9_files/image001.webp)
![](http://appassets.softecksblog.in/electrical_engineering/assets/power_system/9_files/image002.webp)
In-phase Transformers
![](http://appassets.softecksblog.in/electrical_engineering/assets/power_system/9_files/image003.webp)
Phase-Shifting Transformer with akm = 1
![](http://appassets.softecksblog.in/electrical_engineering/assets/power_system/9_files/image004.webp)
Unified Power Flow Equations
![](http://appassets.softecksblog.in/electrical_engineering/assets/power_system/9_files/image005.webp)
Transmission Lines
In-phase Transformers
Phase-Shifting Transformer with akm = 1
Unified Power Flow Equations