Electrical Machine Windings — Lesson 2

This lesson covers the fundamentals of electrical machine windings, including the meaning of coil, coil pitch, pole pitch, and various types of windings such as short pitch winding, distributed winding, full pitch winding, and concentrated winding. It also explains the necessity of electrical windings in generating torque in rotating electrical machines. The lesson further delves into the workings of different types of windings in DC and AC machines, the concept of coil sides, and how to calculate the total number of coils. The lesson concludes with a generalized procedure to design any type of winding for any machine.

Video Highlights

00:00 - Introduction to electrical machine windings
01:47 - Explanation on different Types of windings
40:48 - Procedure to design any type of winding for any machine

Key Takeaways

- Electrical machine windings are crucial for generating torque in rotating electrical machines.
- There are various types of windings, each with its unique characteristics and applications.
- The number of coils in a winding can be calculated using specific formulas.
- The design of windings for any machine follows a generalized procedure, which includes analyzing data, defining the type of winding, calculating the number of turns per phase, selecting the copper wire gauge, making the number of coils, and verifying the magnetic poles formation.