Output Power (D3L) Product Equation - I — Lesson 5

This lesson covers the intricate details of design equations in electrical machines, focusing on the stator geometry, rotor geometry, and slot geometry. It explains how to derive the power equation considering flux densities at different parts of the stator and rotor, slot areas, and actual current densities. The lesson also discusses how to calculate the physical dimensions of a machine, such as the outer and inner diameter of the stator and the length of the core. It provides a comprehensive understanding of the flux densities at different parts of the iron, the actual area of the slot, and the derivation of the power equation.

Video Highlights

00:00 - Introduction
02:51 - Understanding flux densities at different parts
03:37 - Calculation of the actual area of the slot and power equation
09:46 - Calculation of flux density at the teeth
13:03 - Calculation of flux density at the core or back iron
24:27 - Calculation of the area of the slot

Key Takeaways

- The power equation in electrical machines is derived considering flux densities at different parts of the stator and rotor, slot areas, and actual current densities.
- The physical dimensions of a machine, such as the outer and inner diameter of the stator and the length of the core, can be calculated from the power equation.
- The flux densities at different parts of the iron, the actual area of the slot, and the derivation of the power equation are crucial aspects of understanding design equations in electrical machines.
- The area of the slot can be calculated by considering the slot dimensions and the stator outer and inner diameters.