- Cover Page
- Half Title
- Title Page
- Copyright Page
- Dedication
- Preface
- Authors
- List of Symbols
- Abbreviations of Names of Computer Methods
- 1 Methods of Investigation and Constructional Materials
- 1.1 Methods of Investigations
- 1.2 Constructional Materials
- 1.2.1 Structure and Physical Properties of Metals
- 1.2.1.1 Atomic Structure
- 1.2.1.2 Ionization
- 1.2.1.3 Crystal Structure of Metals
- 1.2.1.4 Electrical Conductivity and Resistivity of Metals
- 1.2.1.5 Influence of Ingredients on Resistivity of Metals
- 1.2.1.6 Resistivity at Higher Temperatures
- 1.2.1.7 Thermoelectricity
- 1.2.1.8 Thermal Properties
- 1.2.1.9 Mechanical Properties
- 1.2.1.10 Hall Effect and Magnetoresistivity of Metals
- 1.2.2 Superconductivity
- 1.2.3 Magnetic Properties of Bodies (Ferromagnetism)
- 1.2.3.1 Magnetic Polarization and Magnetization
- 1.2.3.2 Ferromagnetics, Paramagnetics, and Diamagnetics
- 1.2.3.3 Atomic Structure of Ferromagnetics
- 1.2.3.4 Zones of Spontaneous Magnetization
- 1.2.3.5 Form of the Magnetization Curve
- 1.2.3.6 Hysteresis
- 1.2.3.7 Superposition of Remagnetization Fields
- 1.2.3.8 Amorphous Strips
- 1.2.3.9 Rotational Hysteresis
- 1.2.3.10 Types of Magnetization Curves
- 1.2.3.11 Curie Point
- 1.2.3.12 Nonmagnetic Steel
- 1.2.3.13 Influence of Various Factors on Properties of Magnetic Materials
- 1.2.3.14 Types of Magnetic Permeability
- 1.2.3.15 Permeability at High Frequencies
- 1.2.3.16 Magnetic Anisotropy
- 1.2.3.17 Magnetostriction
- 1.2.3.18 Demagnetization Coefficient
- 1.2.4 Semiconductors and Dielectrics
- 1.2.1 Structure and Physical Properties of Metals
- Example
- 2 Fundamental Equations of Electromagnetic Field
- 2.1 Primary Laws and Equations of Electromagnetism
- 2.2 Formulation and Methods of Solution of Field Differential Equations
- Example
- 2.3 Anisotropic Media
- 2.4 Nonlinear Media
- 2.5 Fundamental Equations of Magnetohydrodynamics and Magnetogasdynamics
- 2.6 Electrodynamics of Superconductors
- 2.7 Electrodynamics of Heterogeneous Media
- 2.8 Electrodynamics of Semiconductor Devices
- 2.9 Electrodynamics of Electrochemical Systems
- 2.10 General Wave Equations
- 2.11 Fourier’s Method
- 2.12 Wave Equations in Cylindrical Coordinates
- 2.13 Plane Wave
- Example
- 2.14 Reflection and Refraction of Plane Wave
- 3 Transfer and Conversion of Field Power
- 3.1 Poynting’s Theorem: Poynting Vector*
- 3.2 Penetration of the Field Power into a Solid Conducting Half-Space
- Example
- 3.3 Power Flux at Conductors Passing through a Steel Wall
- 3.4 Power Flux in a Concentric Cable and Screened Bar
- 3.5 Power Flux in a Capacitor, Coil, and Transformer
- 3.6 Power Fluxes and Their Conversion in Rotating Machines
- Example
- 4 Screening of Constructional Parts
- 4.1 Types and Goals of Screening and Shunting
- 4.2 Magnetic Screens
- 4.3 Electromagnetic Screens: Wave Method of Modeling and Calculation
- 4.4 Power Losses in Screens
- 4.5 Screening of Transformer Tanks
- EXAMPLE
- 4.6 Induction Motors with a Screened and Multilayer Rotor
- 4.7 Screening in Large Generators
- 4.8 Screening at Induction Heating
- 4.9 Screening of Bars and Conductor Wires
- Example
- Example
- 4.10 Electromagnetic Field in Multilayer Screens
- 5 Magnetic Fields Near Iron Surfaces
- 5.1 Method of Mirror Images
- 5.2 Field of Endwindings in Electric Machines
- 5.3 Field of Bushings
- 5.4 Field of Bars Nearby a Steel Surface
- 5.5 Leakage Field in Transformers and in Slots of Electric Machines
- 5.5.1 Application of the Method of Multiple Mirror Images
- 5.5.2 Method of Approximate Solution of a Field in a Transformer Window with the Help of Fourier Series
- 5.5.3 Numerical Methods: Mesh Methods of Solution of Leakage Magnetic Field in Power Transformers
- 5.5.4 Slot in a Deep-Slot Induction Machine
- 5.5.5 Field in the Gap of Electric Machine
- 5.6 Field of Conductors Nearby a Steel Wall
- 5.7 Additional Losses in Foil Windings of Transformer
- 6 Electromagnetic Phenomena in Metals with Constant Permeability
- 6.1 Application of Multiple Reflections of Electromagnetic Wave
- 6.2 Electrical Steel
- 6.3 Power Losses at Current Intersections Through a Screen
- 6.4 Power Losses in Steel Covers with Gaps and Nonmagnetic Inserts Between Bushing Holes
- 6.5 Transient-Induced Processes
- 6.6 Solid Rotor of Induction Motor
- 6.7 Cup-Type Rotor
- 6.8 Principles of Induction Heating
- 6.9 High-Current Lines
- 7 Electromagnetic Phenomena in Ferromagnetic Bodies
- 7.1 Approximation of Magnetization Characteristics
- 7.2 Methods of Considering a Variable Magnetic Permeability
- Example
- 7.3 Dependence of Stray Losses in Solid Steel Parts of Transformers on Current and Temperature
- 7.4 Power Losses in Steel Covers of Transformers
- 7.5 Calculation of Stray Losses in Solid Steel Walls by Means of Fourier’s Series
- EXAMPLE
- 7.6 Power Losses in a Transformer Tank
- Example
- 8 Forces in Electrodynamic Systems
- 8.1 Principles of Calculation of Forces Acting on Buses and Windings of Transformers
- 8.2 Forces Acting on bus Bars Located Near Steel Constructional Elements
- 8.3 Forces Acting on Conductor Surfaces
- 8.4 Forces in Slot Parts of Windings of Electric Machines
- Example 8.1
- Example 8.2
- 8.5 Reluctance Forces and Torques
- 9 Local Heating of Structural Parts
- 10 Methods of Experimental Investigations
- 10.1 Experimental Verification of Theoretical Calculations
- 10.2 Principles of Theory of Electrodynamic Similarity
- 10.3 Principle of Induction Heating Device Modeling
- 10.4 Modeling of High Current Lines
- 10.5 Modeling of Transformers and Their Elements
- 10.6 Thermometric Method of Per-Unit Power Losses Measurement
- 10.7 Investigation of Permissible Over-Excitation of Power Transformers
- 10.8 Measurement of Power at Very Small Power Factors (Cos φ) and/or Small Voltages
- 10.9 Other Methods of Measurements
- 10.10 Diagnostics of Metal Elements
- 10.11 Critical Distance of Tank Wall from Transformer Windings
- 10.12 Influence of Flux Collectors
- 11 Conclusion
- Appendix
- References
- Index
ENGINEERING ELECTRODYNAMICS
Electric Machine, Transformer, and Power Equipment Design
Janusz Turowski
Marek Turowski
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