This plugin really helps with my animations: https://aejuice.com/?ref=VisualElectric
Courses: https://www.udemy.com/course/introduction-to-power-system-analysis/?couponCode=STEINMETZ
Per-Unit analysis is still an essential tool for power systems engineers. This video looks at what per unit analysis is and how it can be used to solve power systems.
0:00 Introduction
2:37 High level intuitive overview
5:11 Step by step description of the method with simple example
13:54 Review of simple example - what can we conclude?
16:27 Dealing with complex impedances and transformers
19:19 Example single phase system
21:20 Dealing with transformers mismatched to our system bases
22:16 Three phase systems with an example