Pseudo-Stationary Reference Frame — Lesson 5

This lesson covers the input variables in the three-phase case and the transformation of these variables to the two-phase reference frame. It further elaborates on the concept of mutual flux linkage and the representation of a two-phase machine. The lesson concludes with the exploration of the implications of transitioning from a rotating reference frame to a pseudo-stationary reference frame.

Video Highlights

00:13 - Introduction
01:37 - Explanation of the input variables in the three-phase case
02:18 - Transformation of variables from the three-phase to the two-phase reference frame
08:19 - Explanation of the two-phase induction machine and its behavior compared to the three-phase machine
10:49 - Explanation of the general representation of a two-phase machine and how to write equations for it
30:35 - Discussion on the numerical integration algorithm for solving the equations
46:30 - Explanation of the transformation of the flow of currents in a rotating reference frame to a pseudo stationary reference frame

Key Takeaways

- The transformation from the natural reference frame model to the alpha beta reference frame involves transitioning from a three-phase to a two-phase description.
- The input variables in the three-phase case are transformed to the two-phase reference frame.
- Mutual flux linkage plays a significant role in the equations of the induction machine.
- A two-phase machine can be represented using the two axes for the stator.
- Transitioning from a rotating reference frame to a pseudo-stationary reference frame has significant implications on the machine equations.