Page 10 - Basic Electrical Engineering

7.2.3 Armature Winding

7.2.4 Types of Armature Winding

7.3 EMF Equation of a DC Machine

7.3.1 Induced EMF is Equated to Flux Cut Per Second

7.4 Types of DC Machines

7.5 Characteristics of DC Generators

7.5.1 No-load Characteristics

7.5.2 Load Characteristics

7.6 Applications of DC Generators

7.7 Operation of a dc Machine As a Motor

7.7.1 Working Principle of a DC Motor

7.7.2 Changing the Direction of Rotation

7.7.3 Energy Conversion Equation

7.8 Torque Equation

7.9 Starting a DC Motor

7.10 Speed Control of DC Motors

7.10.1 Voltage Control Method

7.10.2 Field Control Method

7.10.3 Armature Control Method

7.11 Starter for a DC Motor

7.11.1 Three-point Starter

7.11.2 Four-point Starter

7.12 Types and Characteristics of DC Motors

7.12.1 Characteristics of DC Shunt Motors

7.12.2 Characteristics of DC Series Motors