Phasor Diagram of Salient Pole Synchronous Machine — Lesson 8

This lesson covers the intricate details of the salient pole synchronous machine, focusing on the generator mode of operation. It explains how to determine the position of the Q axis and D axis, and how to calculate the value of delta from the knowledge of VIA and Theta. The lesson also discusses the phasor diagram of a synchronous generator operating at lagging power factor and leading power factor. It further elaborates on the operation of a salient pole synchronous motor drawing a lagging power factor at a terminal voltage V. The lesson concludes with the translation of the equation in terms of additions.

Video Highlights

01:11 - Calculation of the position of Q axis and D axis
02:25 - Calculation of delta from the knowledge of VIA and Theta
11:50 - Discussion on synchronous generator operation at lagging power factor
19:01 - Explanation of synchronous generator operation at leading power factor
22:50 - Understanding salient pole synchronous motor operation

Key Takeaways

- The position of the Q axis and D axis in a salient pole synchronous machine can be determined from the known terminal voltage, armature current, and power factor angle.
- The value of delta can be calculated from the knowledge of VIA and Theta.
- The phasor diagram of a synchronous generator operating at lagging power factor and leading power factor can be drawn and understood.
- The operation of a salient pole synchronous motor drawing a lagging power factor at a terminal voltage V can be comprehended.