Mastering Electrical Machines: Theory, Design, Applications

Your complete guide in DC, synchronous, Induction machines (motors and generators) for electrical and power engineering.

What you'll learn

DC machines principles

DC generators types, features, and applications

Performance of DC generators

DC motors types, features, and applications

Speed control of DC motors

DC machine testing

Practical projects on DC machine in MATLAB

Principles of synchronous machines

Synchronous generators types, models, and characteristics

Manufacturing of alternator windings

Factors affecting the alternator voltage

Role of governor control (ALFC) in alternators

Role of excitation control (AVR) in alternators

Types of exciters used in alternators

Synchronous generator testing

Performance and characteristics of stand alone generator

Behavior of alternator operating with large power system

Synchronization process of alternators with grid

Parallel operation of alternators

House diagram of alternators

Synchronous generator ratings

Learn how to read the nameplate of alternator

Capability diagram and P-Q chart of alternators

Complete analysis of salient pole alternators

Synchronous motors principles, working, model, and analysis

Starting of synchronous motors

Complete design of synchronous machines

Stator and rotor design with several design problems

Practical projects on synchronous machines in MATLAB

Three phase induction motors overview

Induction motors construction, types, model, and characteristics

Starting methods of induction motors

Speed control of induction motors (Speed drives)

Learn how variable frequency drives ( VFD) work

Complete study of single phase induction motors

Realize different methods to start single phase induction motors

Induction motors testing

Induction generators (Types, applications, features )

Practical projects on induction machines in MATLAB.

Requirements

Electrical engineering fundamentals

Passion to learn about DC machines from A to Z

Passion to learn about synchronous machines from begineer to expert

Passion to learn about induction machines from A to Z

Description

Hi and welcome everyone to our course " Mastering Electrical Machines: Theory, Design, Applications"This comprehensive 50-hour course is designed to provide in-depth knowledge and hands-on understanding of three fundamental types of electrical machines: DC machines, Synchronous machines, and Induction machines.Whether you are an electrical engineering student, a professional in the field, or someone seeking to enhance your expertise in electrical machines, this course will equip you with both theoretical foundations and practical applications crucial for mastering these machines.Course Structure:The course is divided into three comprehensive courses, each focusing on a specific type of machine:Course # 1 :  DC MachinesThe following topics are discussed in details:Introduction to DC machine principlesConstruction and operating principles.Armature reaction, commutation, and armature windings.DC generators types, features, and applicationsPerformance characteristics and efficiency analysis of DC generatorsDC motors types, features, and applicationsStarting methods of DC motorsControl methods, including speed control and torque regulation in DC motorsDC machine testing Practical projects and applications on DC machine in MATLAB.Course # 2 :  Synchronous MachinesThe following topics are discussed in details:Principles of synchronous machinesSynchronous generators types, models, and characteristicsManufacturing of alternator windingsFactors affecting the alternator voltageRole of governor control (ALFC) in alternatorsRole of excitation control (AVR) in alternatorsTypes of exciters used in alternatorsSynchronous generator testingPerformance and characteristics of stand alone generatorBehavior of alternator operating with large power systemSynchronization process of alternators with gridParallel operation of alternatorsHouse diagram of alternatorsSynchronous generator ratingsLearn how to read the nameplate of alternatorCapability diagram and P-Q chart of alternatorsComplete analysis of salient pole alternatorsReluctance motorsSynchronous motors principles, working, model, and analysisSynchronous condenserStarting of synchronous motorsComplete design of synchronous machinesStator and rotor design with several design problemsPractical projects on synchronous machines in MATLAB.Course # 3 :  Induction MachinesThree phase induction motors overviewInduction motors construction, types, model, and characteristics.Starting methods of induction motorsDirect online, Start-delta starter, auto-transformer starter, soft starter, Rotor resistance starterSpeed control of induction motors (Speed drives)V- control,  F- control ,  V/F control, rotor resistance control, slip energy recovery controlVariable frequency drives (VFD)Complete study of single phase induction motorsRealize different methods to start single phase induction motorsInduction motors testingInduction generators (Types, applications, features)Practical projects on induction machines in MATLAB.Course Materials and Resources:Detailed lecture notes and reference material .900 lecture slides provided for you !!Interactive quizzes and assignments for each course to reinforce learning.High quality video tutorials and demonstrations for simple understanding.Practical projects on MATLAB to model machine performance in electric systemMATLAB Simulink files related to electrical machines provided for you !! ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــBy the end of this course, you will be able to cover all the principles of operation, design, and performance analysis of these machines through realizing real-world examples, industrial applications, and troubleshooting techniques.Thank you very much for you time.See you in the course !

Overview

Section 1: ____________Course # 1 : DC Machines____________

Lecture 1 Introduction ot DC machines

Lecture 2 Course Material

Lecture 3 Applications of DC machines

Lecture 4 DC machine construction

Lecture 5 Yoke, poles, and field winding

Lecture 6 Rotor core and armature winding

Lecture 7 Commutators and brushes

Lecture 8 DC generator working principle

Lecture 9 Is the generated voltage AC or DC ??

Lecture 10 Role of commutators in DC generators

Lecture 11 Slip rings vs. Commutators

Lecture 12 DC motor working principle

Lecture 13 Role of commutators in DC motors

Lecture 14 Equivalent circuit of DC machine

Lecture 15 Types of armature winding

Lecture 16 Lap winding

Lecture 17 Wave winding

Lecture 18 Armature voltage equation

Lecture 19 Developed torque equation

Lecture 20 Solve example 1

Lecture 21 Solved example 2

Lecture 22 Magnetization curve of DC machines

Lecture 23 DC machine classifications

Section 2: DC Generators

Lecture 24 Types of DC generators

Lecture 25 Separately excited DC generator

Lecture 26 Solved example 1

Lecture 27 Armature reaction concept

Lecture 28 Effect of armature reaction on DC generators

Lecture 29 Load characteristics of separately excited DC generator

Lecture 30 Solved example 2

Lecture 31 Shunt excited DC generator

Lecture 32 Solved example 3

Lecture 33 Voltage build up process of shunt generators

Lecture 34 Reasons for voltage build up failure in shunt generators

Lecture 35 Solved example 4

Lecture 36 Series excited DC generator

Lecture 37 Compound DC generators

Lecture 38 Characteristics of compound generators

Lecture 39 Design of series winding in compound generators

Lecture 40 Solved example 5

Lecture 41 Applications of DC generators

Lecture 42 Solved example 6

Section 3: Performance of DC Generators

Lecture 43 Copper losses in DC machines

Lecture 44 Hysteresis losses in DC machines

Lecture 45 Eddy current losses in DC machines

Lecture 46 Mechanical losses

Lecture 47 Constant and variable losses

Lecture 48 Power flow diagram in DC generators

Lecture 49 Generator efficiency and regulation

Lecture 50 What is the condition for maximum generator efficiency ?

Lecture 51 Solved example 1

Lecture 52 Solved example 2

Lecture 53 Solved example 3

Section 4: DC Motors

Lecture 54 DC motors Classification

Lecture 55 Separately excited DC motor

Lecture 56 Torque-Speed Characteristics of DC motors

Lecture 57 Back EMF and its significance in DC motors

Lecture 58 Shunt DC motors

Lecture 59 Series DC motors

Lecture 60 Compound DC motors ( Cumulative & Differential )

Lecture 61 DC motor performance parameters

Lecture 62 DC motor applications

Lecture 63 The need for motor starters

Lecture 64 Starting methods of DC motors

Lecture 65 What is DC motor starter ?

Lecture 66 DC motor starter working principle

Lecture 67 DC motor starter design

Lecture 68 Numerical example on Practical DC starter design

Section 5: Speed Control of DC Motors

Lecture 69 Methods of motor speed control

Lecture 70 Terminal voltage control

Lecture 71 Field flux control

Lecture 72 Armature resistance control

Lecture 73 Speed control of series motors

Lecture 74 Numerical example 1

Lecture 75 Numerical example 2

Lecture 76 Numerical example 3

Section 6: Testing of DC Machines

Lecture 77 Introduction to DC machine testing

Lecture 78 Apparatus and meters used in lab

Lecture 79 Armature and field winding measurement

Lecture 80 No load test of DC generator

Lecture 81 Load test of separately excited generator

Lecture 82 Load test of shunt generator

Lecture 83 Load test of compound generator

Lecture 84 What is retardation test ?

Lecture 85 Theory and calculation steps of retardation test

Lecture 86 Retardation test procedure

Lecture 87 Numerical example on retardation test

Section 7: DC Machines Projects on MATLAB/Simulink

Lecture 88 Project 1 : Separately excited motor simulation

Lecture 89 Project 2 : Plotting Torque-Speed curve of DC motor in MATLAB

Lecture 90 Project 3 : Speed control of DC motors in MATLAB

Lecture 91 Project 4 : Shunt and Series motors simulation

Lecture 92 Project 5 : DC motor Starting in MATLAB/Simulink

Lecture 93 Project 6 : Modelling of DC motor in MATLAB/Simulink

Lecture 94 Project 7 : DC generator simulation

Section 8: Exercises on DC Machines

Lecture 95 Assignment on DC machines

Lecture 96 Assignment solution

Section 9: ________Course # 2 : Synchronous Machines________

Lecture 97 Introduction, Types, and Features of synchronous machines

Lecture 98 Windings of synchronous machines

Lecture 99 Difference in design between DC & Synchronous machines

Lecture 100 Applications of synchronous generators

Lecture 101 Applications of synchronous motors

Lecture 102 Number of poles and pole pairs

Lecture 103 Frequency - Speed relation

Lecture 104 What is relation between Electrical and Mechanical angle ?

Section 10: Synchronous Generators (Alternators)

Lecture 105 Construction

Lecture 106 Salient pole vs. cylindrical rotor generators

Lecture 107 Alternator working principle

Lecture 108 Induced EMF Equation

Lecture 109 Magnetization curve of synchronous generators

Lecture 110 Generator equivalent circuit

Lecture 111 Phasor diagram of synchronous generators

Lecture 112 Performance parameters

Lecture 113 Power angle curve

Lecture 114 Example 1 - Generator model

Lecture 115 Example 2 - Performance parameters of alternators

Section 11: Armature Winding Manufacturing

Lecture 116 Terms related to armature winding

Lecture 117 Features of armature winding

Lecture 118 Pole pitch, Coil span, and Slot angle

Lecture 119 Armature winding terminology

Lecture 120 Turns, Conductors, and Parallel paths in armature winding

Lecture 121 Types of armature winding

Lecture 122 Application 1: Single layer winding diagram

Lecture 123 Application 2: Double layer winding diagram

Section 12: Factors Affecting the Armature Voltage

Lecture 124 Armature voltage formula

Lecture 125 Assumptions made for EMF equation

Lecture 126 Effect of chording (Kc)

Lecture 127 Effect of distributed winding (Kd)

Lecture 128 Solved example 1

Lecture 129 Effect of flux distribution under the rotor poles

Lecture 130 Harmonics in armature voltage

Lecture 131 Solved example 2

Lecture 132 Third harmonic elimination in STAR Connection

Lecture 133 Third harmonic elimination in DELTA Connection

Lecture 134 Solved example 3

Section 13: Control Systems in Synchronous Generators & Types of exciters

Lecture 135 Introduction

Lecture 136 Automatic Voltage Regulator (AVR)

Lecture 137 Automatic Load Frequency Control (ALFC)

Lecture 138 DC Exciter

Lecture 139 Brushless Exciter

Lecture 140 Static Exciter

Section 14: Measuring Synchronous Generator Model Parameters

Lecture 141 Generator model parameters

Lecture 142 DC test

Lecture 143 Open circuit test

Lecture 144 Short circuit test

Lecture 145 Synchronous reactance calculation

Lecture 146 Short Circuit Ratio (SCR)

Lecture 147 Solved example 1

Lecture 148 Solved example 2

Lecture 149 Solved example 3

Section 15: Synchronous Generator Operating Alone

Lecture 150 Operating conditions of alternator

Lecture 151 Steps of operation of stand-alone generator

Lecture 152 Analysis and rules

Lecture 153 Voltage and Power angle calculation

Lecture 154 Active and Reactive power Vs. Power angle

Lecture 155 Solved example 1

Lecture 156 Case study: Effect of frequency change on alternator

Lecture 157 Effect of load changes on islanded generator

Lecture 158 Frequency-Power characteristics

Lecture 159 Voltage-Reactive power characteristics

Lecture 160 Solved example 2

Section 16: Synchronous Generator in Parallel With Large Power System

Lecture 161 Introduction

Lecture 162 What is infinite bus (IB) ?

Lecture 163 Synchronization conditions

Lecture 164 Synchronization process

Lecture 165 Practical synchronization of alternator in lab

Lecture 166 What is after perfect synchronization ?

Lecture 167 Role of excitation control system

Lecture 168 Role of governor control system

Lecture 169 Comprehensive solved example

Lecture 170 House diagram

Lecture 171 Excitation and Governer effects on SG connected to grid

Lecture 172 SG operating alone vs. SG in parallel with grid

Section 17: Parallel operation of Synchronous Generators

Lecture 173 Advantages of Parallel Operation

Lecture 174 Conditions Required for Paralleling

Lecture 175 Analysis of parallel synchronous generators

Lecture 176 Governer set point effects on parallel alternators

Lecture 177 Field current control effects on parallel alternators

Lecture 178 Comprehensive solved example

Section 18: Synchronous Generator Ratings

Lecture 179 Synchronous generator nameplate

Lecture 180 Frequency and speed ratings

Lecture 181 Voltage ratings

Lecture 182 Power ratings

Lecture 183 Power factor ratings

Lecture 184 P-Q chart

Lecture 185 Capability diagram of synchronous generators

Lecture 186 Short time operation of alternator

Lecture 187 Service factor SF of alternators

Section 19: Analysis of Salient Pole Synchronous Generators

Lecture 188 Introduction

Lecture 189 Difference between salient and non-salient machines

Lecture 190 Two reaction theory

Lecture 191 Phasor diagram of salient pole generator

Lecture 192 EMF calculation

Lecture 193 Power angle equation

Lecture 194 Effect of saliency

Lecture 195 Complete numerical example

Section 20: Synchronous Motors

Lecture 196 Construction

Lecture 197 Working principle

Lecture 198 Motor model and phasor diagram

Lecture 199 Synchronous condenser (P.F correction)

Lecture 200 Torque – Speed curve & motor developed power

Lecture 201 Reluctance motor

Lecture 202 Numerical example 1

Lecture 203 Effect of mecahnical load changes on the motor

Lecture 204 Numerical example 2

Lecture 205 Effect of changing the excitation on the motor

Lecture 206 V Curves of synchronous motor

Lecture 207 Numerical example 3

Lecture 208 Why are synchronous motors not self starting ?!

Lecture 209 Starting methods of synchronous motors

Section 21: Design of Synchronous Machines 1 : Stator Design

Lecture 210 Introduction to machine design

Lecture 211 Difference in design between salient and non-salient pole machines

Lecture 212 Specific magnetic loading

Lecture 213 Specific electric loading

Lecture 214 Output equation

Lecture 215 Design of machine main dimensions

Lecture 216 Stator core design

Lecture 217 Design of stator slots

Lecture 218 Slot and tooth dimensions

Lecture 219 Stator winding design

Lecture 220 Stator conductor design

Lecture 221 Yoke design

Lecture 222 Estimation of Stator resistance, Cu loss, and Weight of Copper

Lecture 223 Design problem 1

Lecture 224 Design problem 2

Section 22: Design of Synchronous Machines 2 : Rotor Design

Lecture 225 Rotor design details

Lecture 226 Design of rotor pole sectional area

Lecture 227 Design of rotor pole height

Lecture 228 Estimation of field coil height

Lecture 229 Factors affecting the choice of air gap length

Lecture 230 Air gap design

Lecture 231 Design problem 3

Lecture 232 Design of field coil system

Lecture 233 Design problem 4

Section 23: Synchronous Machines Projects on MATLAB/Simulink

Lecture 234 Project 1: Stand alone synchronous generator simulation

Lecture 235 Project 2 : Voltage and frequency control of alternator

Lecture 236 Project 3 : Grid connected synchronous generator simulation

Lecture 237 Project 4 : Synchronous motor simulation

Section 24: Exercises on Synchronous Machines

Lecture 238 Assignments on synchronous machines

Lecture 239 Assignments solutions

Section 25: ____________Course # 3 : Induction Machines____________

Lecture 240 Why Exactly Induction Motors ?

Lecture 241 Construction Of Three Phase Induction Motors

Lecture 242 Slip Ring Induction Motor vs. Squirrel Cage Induction Motor

Lecture 243 Theory of Operation of Induction Motors

Lecture 244 Equivalent circuit and motor model

Lecture 245 Power Flow Diagram In Induction Motors

Lecture 246 Torque-Speed Characterstics of 3-phase Induction Motors

Lecture 247 Solved Example 1

Lecture 248 Solved Example 2

Lecture 249 Solved Example 3

Section 26: Starting Methods of Three Phase Induction Motors

Lecture 250 Necessity For Starters

Lecture 251 Direct on Line ( DOL ) Starter

Lecture 252 Start/Delta Starter

Lecture 253 Implementation of Star/Delta Starter

Lecture 254 Auto-Transformer Starter

Lecture 255 Soft Starter Of Induction Motors

Lecture 256 Rotor Resistance Starter

Lecture 257 Conclusion and Comparison Beween Different Starting Methods

Lecture 258 Practical Example on Different Starting Methods

Section 27: Speed Control Of Three Phase Induction Motors

Lecture 259 Introduction

Lecture 260 Stator Voltage Speed Control

Lecture 261 Supply Frequency Speed Control

Lecture 262 V/F Speed Control

Lecture 263 What Is Variable Frequency Drive ( VFD ) ?

Lecture 264 How Does VFD Work ?

Lecture 265 Rotor Resistance Control

Lecture 266 Slip Energy Recovery Control

Section 28: Single-Phase Induction Motors

Lecture 267 Why Single-Phase Induction Motors ?

Lecture 268 Construction

Lecture 269 Operation (Pulsating Field vs. Rotating Field)

Lecture 270 Double Revolving Theory

Lecture 271 Torque-Speed Characterstics

Lecture 272 Why 1-Phase I.M is not Self-Staring ?

Lecture 273 Starting of Single Phase Induction Motors

Lecture 274 Split Phase Induction Motors

Lecture 275 Capacitor Start Induction Motors

Lecture 276 Capacitor Run Induction Motors

Lecture 277 Capacitor Start - Capacitor Run Induction Motors

Lecture 278 Conclusion and Comparison

Lecture 279 Solved Example 1

Lecture 280 Solved Example 2

Section 29: Tests on Induction Motors

Lecture 281 DC test

Lecture 282 No load test

Lecture 283 Blocked rotor test

Section 30: Induction Generators

Lecture 284 Introduction to induction generators

Lecture 285 Types of induction generators

Lecture 286 Grid connected induction generator

Lecture 287 Application: Wind turbine generators

Lecture 288 Self excited induction generator (SEIG)

Lecture 289 Build-up voltage of SEIG

Lecture 290 Reasons for build-up voltage failure in SEIG

Lecture 291 Solved example on induction generator

Lecture 292 Doubly fed induction generator (DFIG)

Section 31: Induction Machines Projects on MATLAB/Simulink

Lecture 293 Project 1: Three phase induction motor simulation

Lecture 294 Project 2 : Voltage control of induction motor

Lecture 295 Project 3 : V/F control

Lecture 296 Project 4: V/F control using variable frequency drives (VFD)

Lecture 297 Project 5 : Closed loop speed control using VFD

Lecture 298 Project 6 : Soft starter of induction motors

Lecture 299 Project 7 : Rotor resistance speed control

Lecture 300 Project 8 : Stator resistance speed control

Lecture 301 Project 9 : DC test simulation

Lecture 302 Project 10 : No load test simulation

Lecture 303 Project 11 : Blocked rotor test simulation

Lecture 304 Project 12 : Self excited induction generator simulation

Lecture 305 Project 13: Grid connected induction generator simulation

Section 32: Exercises on induction machines

Lecture 306 Assignment

Lecture 307 Assignment solution

Electrical Engineering Students (Undergraduate and graduate students).,Professional engineers in power generation, motors, and industrial machinery.,Technicians and Electricians seeking to improve practical skills on electrical machines.,Educators and Trainers updating their knowledge or teaching resources.,Researchers and Academics focused on electrical machines and systems.,Industry Professionals in renewable energy, automation, or manufacturing.,Maintenance Engineers for the maintenance of electrical machines in industrial factories.,Power Plant Operators working in power generation facilities.,Any one having passion to learn everything about electrical machines from scratch.