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.
Section 1: Introduction
1 Course Introduction
Section 1: Fundamental Concept of How DC Motor Works
2 Parameters of Electrical & Mechanical System
3 Representation of Electric Motor as Block Diagram
4 Force produced by Permanent Magnet
5 How electric current produces force?
6 Current Carrying Conductors Placed in Magnetic Field
7 Requirement of Arrangement to Produce Unidirectional Torque
8 How to Supply Electric Current to Rotating Coil
9 How Commutator Maintains Direction of Current
Section 2: Basic Parts of DC Motor
11 Basic Parts of DC Motor
Section 3: Role of Faraday’s law and Lenz’s law in DC Motor (Back emf).
12 Role of Faraday’s law and Lenz’s law in DC Motor (Back emf).
Section 4: Mathematical Representation of DC Motor
13 Speed Torque Equation
14 Graphical Representation
Section 5: Speed Control Methods
15 Effect of Supply Voltage
16 Effect of Adding External Resistance to Armature Winding
17 Effect of Adding External Resistance to Field Winding
Section 6: Summary
Section 7: More About DC Motor
20 Controversy Effect: “Effect of Field Flux on Motor Torque”
21 Equation of Force
22 Shape and Equation of Back Emf
23 Average Value of Back Emf
24 Power Transfer
25 DC Series Motor
26 Speed Torque Characteristic s of DC Series Motor
27 Shaft Torque
28 Applications & Limitations
Section 8: Demonstrations
29 Demonstration of PMDC Motor
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.