What you'll learn

Will have answer of “Why Motor Starts Rotating When Supply by Voltage Source?”.
Will understand Role of Back-emf in Energy Conversion Process.
Will understand “How to derive equations of motor speed?”.
Will understand Torque Speed Relation and its Graphical Representation
Will understand Speed Control Methods of DC Motor

Requirements

Course is easy to understand for all. It’s about basic science

Description

Understand “How DC Motor works?” in most simplified way. Course is designed to help students in understanding fundamental concept and mathematical derivation. Content delivered here ensures learning new prospective for students of schools & colleges. “Easy to understand” and “Every bit to understand” are two basic blocks of this course.

Contents:

Section 1: Fundamental Concept of How DC Motor Works

1 Parameters of Electrical & Mechanical System

2 Representation of Electric Motor as Block Diagram

3 Force produced by Permanent Magnet

4 How electric current produces force?

5 Current Carrying Conductors Placed in Magnetic Field

6 Requirement of Arrangement to Produce Unidirectional Torque

7 How to Supply Electric Current to Rotating Coil

8 How Commutator Maintains Direction of Current

9 Conclusion

Section 2: Basic Parts of DC Motor

L10 Basic Parts of DC Motor

Section 3: Role of Faraday’s law and Lenz’s law in DC Motor (Back emf).

L11 Role of Faraday’s law and Lenz’s law in DC Motor (Back emf).

Section 4: Mathematical Representation of DC Motor

L12 Speed Torque Equation

L13 Graphical Representation

Section 5: Speed Control Methods

L14 Effect of Supply Voltage

L15 Effect of Adding External Resistance to Armature Winding

L16 Effect of Adding External Resistance to Field Winding

More contents will be added in future as per requirement and/or request. This course is to provide answer of all questions and queries related to DC Motor.
Who is the target audience?

Anyone curious to know “How Electric Motor Works?”.
Anyone wants to improve fundamentals of DC Motor.
Students ages from School & College.
First Year Engineering Students
Engineering Students of Electrical Engineering & Related Branch.