Complete Electrical Machines For Electrical Engineering

Ahmed Mahdy, Electrical Power Engineer

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106 Lessons (14h 8m)
    • 1. Introduction To Electric Machines

      3:05
    • 2. Types Of Electric Machines And Principle Of Electricity Generation

      9:19
    • 3. Importance And Construction Of DC Machines

      26:05
    • 4. Armature Winding And EMF Equation

      39:33
    • 5. Solved Example 1

      4:35
    • 6. Solved Example 2

      3:50
    • 7. Solved Example 3

      7:17
    • 8. Solved Example 4

      6:01
    • 9. Separately Excited Dc Machine

      20:41
    • 10. Shunt And Series Dc Machines

      25:27
    • 11. Solved Example 1 On Separately Excited DC Machine

      6:57
    • 12. Solved Example 2 On Separately Excited DC Machine

      6:54
    • 13. Solved Example 3 On Shunt Generator

      4:12
    • 14. Solved Example 4 On Shunt Generator

      6:41
    • 15. Solved Example 5 On Series DC Generator

      6:01
    • 16. Types And Applications Of Compound DC Motors

      7:19
    • 17. Torque-Speed Characteristics And Speed Control Of Separately Excited Dc Motor

      33:11
    • 18. Torque-Speed Characteristics Of Series DC Motor

      8:12
    • 19. Solved Example 1 On Speed Control

      7:56
    • 20. Solved Example 2 On Speed Control

      5:40
    • 21. Starting Of Dc Machine

      13:38
    • 22. Armature Reaction In DC Machines

      10:24
    • 23. Losses In DC Machines

      3:37
    • 24. What is a Transformer ?

      1:50
    • 25. Importance of Transformer

      3:39
    • 26. Iron Core of Transformer

      3:57
    • 27. Magnetic Circuit Inside Transformer

      4:40
    • 28. Windings of Transformer

      2:53
    • 29. Why are Windings made of Copper

      0:52
    • 30. Classification of Windings

      4:43
    • 31. Insulating Material and Transformer Oil

      2:13
    • 32. Conservator of Transformer

      2:32
    • 33. Breather of Transformer

      3:45
    • 34. Bushings of Transformer

      3:52
    • 35. Tap Changer of Transformer

      3:06
    • 36. Cooling Tubes of Transformer

      0:58
    • 37. Buchholz Relay of Transformer

      1:57
    • 38. Explosion Vent

      2:00
    • 39. Methods of Cooling

      2:43
    • 40. Types of Transformers

      2:41
    • 41. Power Transformer and Distribution Transformer

      5:08
    • 42. Single Phase Core Type Transformer

      4:08
    • 43. Single Phase Shell Type Transformer

      4:32
    • 44. Three Phase Core Type

      1:37
    • 45. Three Phase Shell Type

      1:27
    • 46. Comparison between Shell and Core type CSA

      1:14
    • 47. Notes

      3:12
    • 48. Video Explaining the Components in 3D and Real Life

      4:36
    • 49. Introduction to Magnetic Circuits

      1:43
    • 50. Induced Emf and Current

      3:51
    • 51. Ampere Right Hand Rule

      4:22
    • 52. Magnetic Circuit and Important Definitions

      6:25
    • 53. Linear and Non Linear Materials

      2:39
    • 54. Flux Linkage and Reluctance

      3:32
    • 55. Analogy between Electric and Magnetic Circuits

      5:33
    • 56. Fringing Effect

      1:45
    • 57. Example 1

      6:50
    • 58. Example 2

      2:41
    • 59. Example 3

      5:43
    • 60. Application on Magnetic Circuit

      3:38
    • 61. Introduction to Transformers

      1:58
    • 62. Construction of Transformer

      1:48
    • 63. Theory of Operation

      4:09
    • 64. Ideal Transformer

      4:33
    • 65. Non Ideal Transformer

      2:10
    • 66. Effect of Loading on Transformer

      3:12
    • 67. Transformer Regulation

      2:32
    • 68. Transformer Losses

      3:24
    • 69. Transformer Efficiency

      4:40
    • 70. Transformer Rating

      1:38
    • 71. Question 1

      1:18
    • 72. Question 2

      1:34
    • 73. Question 3

      0:52
    • 74. Example 1

      1:01
    • 75. Voltage Relation of Transformer

      4:21
    • 76. Transformer Exact Equivalent Circuit

      6:06
    • 77. Concept of Refereeing

      4:15
    • 78. Approximate Equivalent Circuit

      2:24
    • 79. Construction And Principle Of Operation Of Synchronous Generator

      29:29
    • 80. Principle Of Operation Of Synchronous Motor

      24:20
    • 81. Equivalent Circuit And Phasor Diagram Of Non Salient Synchronous Machine

      29:11
    • 82. Solved Example 1 On Non Salient Machine

      4:37
    • 83. Solved Example 2 On Non Salient Machine

      10:32
    • 84. Solved Example 3 On Non Salient Machine

      6:51
    • 85. Solved Example 4 On Non Salient Machine

      4:00
    • 86. Solved Example 5 On Non Salient Machine

      7:27
    • 87. Solved Example 6 On Non Salient Machine

      3:27
    • 88. Equivalent Circuit And Phasor Diagram Of Salient Synchronous Machine

      38:36
    • 89. Solved Example 1 On Salient Machine

      9:13
    • 90. Solved Example 2 On Salient Machine

      5:23
    • 91. Solved Example 3 On Salient Machine

      9:47
    • 92. Parallel Operation Of Two Generators

      17:25
    • 93. Synchronization Of Machine With Grid

      10:15
    • 94. Construction And Theory Of Operation Of Induction Machines

      27:01
    • 95. Equivalent Circuit And Power Flow In Induction Motor

      23:26
    • 96. Torque-Speed Characteristics Of Induction Motor

      19:46
    • 97. Solved Example 1 On Induction Motor

      7:36
    • 98. Solved Example 2 On Induction Motor

      6:26
    • 99. Solved Example 3 On Induction Motor

      6:19
    • 100. Solved Example 4 On Induction Motor

      18:05
    • 101. Solved Example 5 On Induction Motor

      13:19
    • 102. Methods Of Speed Control Of Induction Motor

      27:22
    • 103. Methods Of Starting Induction Motor

      21:06
    • 104. Solved Example On Motor Starter

      14:34
    • 105. Principle Of Operation Of Doubly Fed Induction Generator

      10:53
    • 106. Self Excited Induction Generator

      8:19

About This Class

Welcome to my own course "Complete Electrical Machines For Electrical Power Engineering"

This course is divided into 4 courses together as a bundle for you.

First part is about "DC Machines"

In this course we will discuss:

  1. Importance and construction of DC machines.

  2. Armature Winding And EMF Equation.

  3. Separately Excited DC Machine.

  4. Shunt And Series DC Machines.

  5. Types And Applications Of Compound DC Motors.

  6. Torque-Speed Characteristics And Speed Control Of Separately Excited DC Motor.

  7. Torque-Speed Characteristics Of Series DC Motor.

  8. Starting Of DC Machine.

  9. Armature Reaction In DC Machines.

  10. Losses In DC Machines.

  11. Dozens Of Solved Examples On All Types Of DC Machines.

Second part is about "Transformers And Magnetic Circuits"

For the "Magnetic circuits", we will learn the following:

In this course we will discuss:

  1. Importance of the magnetic circuit and its application like transformer.

  2. Difference between linear and non linear materials.

  3. Important definitions of magnetic circuits, flux linkage and reluctance.

  4. Analogy between the magnetic and electric circuits , the similarity between them like resistance, reluctance, conductivity, permeability, EMF, MMF, current, flux, magnetic flux density and current density.

  5. Induced EMF , fringing effect and ampere right hand rule or screw rule.

We will take 3 examples on the magnetic circuits to make it clear for you.

For the "Transformers", we will learn the following:

In this course we will discuss:

  1. Importance of transformers and why it is considered as the Backbone of the Power System.

  2. In this course we will discuss the construction of the transformer and its Main Components as 

  3. Iron Core which is responsible for the magnetic flux action.

  4. Magnetic Circuit  which is Represented by the iron core.

  5. Windings of transformer, types, categories and construction.

  6. Insulating Material between the windings and iron core + Transformer Oil and its great importance.

  7. Conservator of transformer which contains oil and its function.

  8. Breather which is used as filter in Transformer.

  9. Bushings which is important for human safety and protection from instant death.

  10. Tap Changer which is used to control the voltage according to the load variations.

  11. Cooling Tubes for transformer oil cooling and heat dissipation.

  12. Buchholz Relay in transformer for gas detection.

  13. Explosion Vents  for protection of transformer in case of internal faults.

You will also learn:

  1. Different Methods of Cooling of transformer and their corresponding power Rating.

  2. Different types of transformers as Power and Distribution Transformers.

  3. Difference between Single Phase Core and Shell Type Transformers.

  4. Difference between Three Phase Core and Shell Type Transformers.

  5. Comparison between the Shell Type and Core Type Transformers.

  6. Theory of Operation of Transformer.

  7. Effect of Loading on Transformer.

  8. Transformer Regulation and Efficiency.

  9. Different Losses occurring in Transformer.

  10. Transformer Rating.

  11. Voltage relation in transformer.

  12. Approximate and Exact Equivalent Circuits of transformer.

  13. Concept of Referring in Transformer.

You will see the Transformer in 3D and Real Life in a Video which make everything more clear.

you will be able to differentiate between Ideal and Non Ideal Transformers and understand which one of them represents an Actual Real-life Transformer.

We will take some questions and solved example on transformer.

Third part is about "Synchronous Machines":

In this course we will discuss:

  1. Construction And Principle Of Operation Of Synchronous Generator.

  2. Principle Of Operation Of Synchronous Motor.

  3. Equivalent Circuit And Phasor Diagram Of Non Salient Synchronous Machine.

  4. Equivalent Circuit And Phasor Diagram Of Salient Synchronous Machine.

  5. Parallel Operation Of Two Generators.

  6. Synchronization Of Machine With Grid.

  7. Dozens Of Solved Examples On Synchronous Machines Salient And Non Salient.

Fourth part is about "Induction Machines":

In this course we will discuss:

  1. Construction And Theory Of Operation Of Induction Machines.

  2. Equivalent Circuit And Power Flow In Induction Motor.

  3. Torque-Speed Characteristics Of Induction Motor.

  4. Methods Of Speed Control Of Induction Motor.

  5. Methods Of Starting Induction Motor.

  6. Principle Of Operation Of Doubly Fed Induction Generator.

  7. Self Excited Induction Generator.

  8. Dozens Of Solved Examples On Induction Machines.

Thank you and hope to see you in my own course.

Wish you a happy learning.