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Theoretical Foundations of Electrical Engineering

All lectures: All lectures at the Academy of Intelligence on the discipline: theoretical foundations of electrical engineering. These fascinating lectures provide us with the opportunity to explore the deep principles and phenomena underlying our knowledge and our desire to understand the world.
1. General Information on Transient Processes: Concepts, Definitions, and Types of Short Circuits
2. Equivalent Circuits of Power Supply Systems
3. Exact and Approximate Reduction of Element Parameters
4. Using Per-Unit Values in Solving Transient Process Problems
5. Standard Formulas for Reducing Element Parameters to Base Conditions in Per-Unit Values
6. Electromagnetic Transient Processes in Simple Three-Phase Circuits
7. Peak Short-Circuit Current in AC Circuits
8. General Equations of the Electromagnetic Transient Process of a Synchronous Machine
9. Sudden Short Circuit of a Synchronous Machine
10. Electrical and Mechanical Transient Processes in Electric Motors
11. 1. Three-Phase Short Circuit at Generator Terminals Without Automatic Excitation Control, Finite-Power Source
12. Initial Instant of a Sudden Disturbance (Transient and Subtransient)
13. Steady-State Short-Circuit Current
14. Short-Circuit Current at an Arbitrary Instant
15. Practical Methods for Calculating Short-Circuit Currents
16. Practical Calculation of the Initial Three-Phase Short-Circuit Current and Peak Current
17. Approximate Accounting for the System in Transient Process Analysis
18. Calculating Short-Circuit Currents Using the Typical Curves Method
19. 1. Symmetrical Components Method for Transient Analysis and Unbalanced Conditions
20. Element Impedance to Positive- and Negative-Sequence Currents
21. Element Impedance to Zero-Sequence Currents
22. Zero-Sequence Impedance of Overhead and Cable Lines
23. Equivalent Circuits of Individual Sequence Networks
24. Resultant EMF and Impedances in Calculating Unbalanced Conditions
25. Transformation of Currents and Voltages of Different Sequences
26. Single Transverse Asymmetry at an Arbitrary Point of a Three-Phase System
27. Single-Phase Ground Fault in a System with an Isolated Neutral
28. Single Longitudinal Asymmetry in AC Systems
29. Semi-Infinite and Finite-Length Lines, Reflections, and Traveling-Wave Operating Modes
30. Transposition of Overhead Transmission Line Conductors, with Worked Examples
31. 1. Elements of Electric Circuits and Their Parameters Used in Calculations
32. 2. Topology of an Electric Circuit
33. 3. Representation of Sinusoidal Quantities Using Vectors and Complex Numbers
34. 4. Elements and Devices of a Sinusoidal Current Circuit: Vector Diagrams and Complex Relationships
35. 5. Ohm's Law for a Circuit Section with an EMF Source (Generalized Ohm's Law)
36. 6. Fundamentals of Matrix Methods for Electric Circuit Calculation
37. 7. Energy Conversion in an Electric Circuit: Instantaneous, Active, Reactive, and Apparent Power
38. 8. Resonance in Sinusoidal Current Circuits
39. 9. Phasor and Topographic Diagrams
40. 10. Analysis of Circuits with Inductively Coupled Elements
41. Матрицы сопротивлений и проводимостей для цепей со взаимной индукцией
42. 12. Calculation Methods Based on the Properties of Linear Circuits
43. 13. Equivalent Generator Method
44. 14. Passive Two-Port Networks
45. 15. Electrical Filters: Types, Operating Principle, Applications, and Tests
46. 16. Three-Phase Electrical Circuits
47. 17. Calculating Balanced and Unbalanced Three-Phase Circuit Modes
48. 18. Using Phasor Diagrams to Analyze Unbalanced Modes
49. 19. Method of Symmetrical Components
50. 20. Active Two-Terminal Network Theorem for Symmetrical Components
51. 21. Rotating Magnetic Field
52. 22. Linear Electrical Circuits under Non-Sinusoidal Periodic Currents
53. 23. Resonance Phenomena in Non-Sinusoidal Current Circuits
54. 24. Transient Processes in Linear Circuits with Lumped Parameters
55. 25. Methods for Deriving the Characteristic Equation
56. 26. Determining the Time Constant: Transient Processes in R-L-C Circuits
57. 27. Operator Method for Transient Process Calculation, with an Example
58. 28. Some Important Notes on the Expansion Formula
59. 29. Duhamel's Integral and the State-Variable Method
60. 30. Nonlinear DC Circuits: Graphical Calculation Methods
61. 31. Nonlinear Circuit Calculation by the Equivalent Generator Method: Analytical and Iterative Techniques
62. 32. Nonlinear Magnetic Circuits under Constant Flux: Basic Concepts and Laws
63. 33. General Characteristics of Problems and Methods for Calculating Magnetic Circuits
64. 34. Nonlinear AC Circuits in Steady-State Modes
65. 36. Piecewise-Linear Approximation Method
66. 37. Equivalent Sinusoid Method (Calculation by RMS Values)
67. 38. Transient Processes in Nonlinear Circuits
68. 39. Graphical Methods for Analyzing Transients in Nonlinear Circuits
69. 40. Circuits with Distributed Parameters (Long Transmission Lines)
70. 41. Distortion-Free Signal Transmission along a Line
71. 42. Input Impedance of a Long Transmission Line
72. 210 Tests on Electronics and Electrical Engineering with Answers and Diagrams
73. Electrical Safety: Theory and Tests
74. Permanent Magnets: Calculation of Permanent Magnets and Electromagnets
75. The Essence of Electric Power Distribution
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