Design of Rotating Electrical Machines, Second Edition by Juha Pyrhönen, Tapani Jokinen, and Valéria Hrabovcová
Contents of Design of Rotating Electrical Machines eBook
- Principal Laws and Methods in Electrical Machine Design
- Electromagnetic Principles
- Numerical Solution
- The Most Common Principles Applied to Analytic Calculation
- Flux Line Diagrams
- Flux Diagrams for Current-Carrying Areas
- Application of the Principle of Virtual Work in the Determination of
- Force and Torque
- Maxwell’s Stress Tensor; Radial and Tangential Stress
- Self-Inductance and Mutual Inductance
- Per Unit Values
- Phasor Diagrams
- Bibliography
- Windings of Electrical Machines
- Basic Principles
- Salient-Pole Windings
- Slot Windings
- End Windings
- Phase Windings
- Three-Phase Integral Slot Stator Winding
- Voltage Phasor Diagram and Winding Factor
- Winding Analysis
- Short Pitching
- Current Linkage of a Slot Winding
- Poly-Phase Fractional Slot Windings
- Phase Systems and Zones of Windings
- Phase Systems
- Zones of Windings
- Symmetry Conditions
- Symmetrical Fractional Slot Windings
- Base Windings
- First-Grade Fractional Slot Base Windings
- Second-Grade Fractional Slot Base Windings
- Integral Slot Base Windings
- Fractional Slot Windings
- Single-Layer Fractional Slot Windings
- Double-Layer Fractional Slot Windings
- Single- and Double-Phase Windings
- Windings Permitting a Varying Number of Poles
- Commutator Windings
- Lap Winding Principles
- Wave Winding Principles
- Commutator Winding Examples, Balancing Connectors
- AC Commutator Windings
- Current Linkage of the Commutator Winding and
- Armature Reaction
- Compensating Windings and Commutating Poles
- Rotor Windings of Asynchronous Machines
- Damper Windings
- Bibliography
- Design of Magnetic Circuits
- Air Gap and its Magnetic Voltage
- Air Gap and Carter Factor
- Air Gaps of a Salient-Pole Machine
- Air Gap of Nonsalient-Pole Machine
- Equivalent Core Length
- Magnetic Voltage of a Tooth and a Salient Pole
- Magnetic Voltage of a Tooth
- Magnetic Voltage of a Salient Pole
- Magnetic Voltage of Stator and Rotor Yokes
- No-Load Curve, Equivalent Air Gap and Magnetizing Current of the Machine
- Magnetic Materials of a Rotating Machine
- Characteristics of Ferromagnetic Materials
- Losses in Iron Circuits
- Permanent Magnets in Rotating Machines
- History and Development of Permanent Magnets
- Characteristics of Permanent Magnet Materials
- Operating Point of a Permanent Magnet Circuit
- Demagnetization of Permanent Magnets
- Application of Permanent Magnets in Electrical Machines
- Assembly of Iron Stacks
- Bibliography
- Inductances
- Magnetizing Inductance
- Leakage Inductances
- Division of Leakage Flux Components
- Calculation of Flux Leakage
- Skewing Factor and Skew Leakage Inductance
- Air-Gap Leakage Inductance
- Slot Leakage Inductance
- Tooth Tip Leakage Inductance
- End Winding Leakage Inductance
- Bibliography
- Resistances
- DC Resistance
- Influence of Skin Effect on Resistance
- Analytical Calculation of Resistance Factor
- Critical Conductor Height in Slot
- Methods to Limit the Skin Effect
- Inductance Factor
- Calculation of Skin Effect in Slots Using Circuit Analysis
- Double-Sided Skin Effect
- Bibliography
- Design Process of Rotating Electrical Machines
- Eco-Design Principles of Rotating Electrical Machines
- Design Process of a Rotating Electrical Machine
- Starting Values
- Main Dimensions
- Air Gap
- Winding Selection
- Air-Gap Flux Density
- The No-Load Flux of an Electrical Machine and the Number of
- Winding Turns
- New Air-Gap Flux Density
- Determination of Tooth Width
- Determination of Slot Dimensions
- Determination of the Magnetic Voltages of the Air Gap,
- and the Stator and Rotor Teeth
- Determination of New Saturation Factor
- Determination of Stator and Rotor Yoke Heights and
- Magnetic Voltages
- Magnetizing Winding
- Determination of Stator Outer and Rotor Inner Diameter
- Calculation of Machine Characteristics
- Bibliography
- Properties of Rotating Electrical Machines
- Machine Size, Speed, Different Loadings and Efficiency
- Machine Size and Speed
- Mechanical Loadability
- Electrical Loadability
- Magnetic Loadability
- Efficiency
- Asynchronous Motor
- Current Linkage and Torque Production of an
- Asynchronous Machine
- Impedance and Current Linkage of a Cage Winding
- Characteristics of an Induction Machine
- Equivalent Circuit Taking Asynchronous Torques and Harmonics
- into Account
- Synchronous Torques
- Selection of the Slot Number of a Cage Winding
- Construction of an Induction Motor
- Cooling and Duty Types
- Examples of the Parameters of Three-Phase Industrial
- Induction Motors
- Asynchronous Generator
- Wound Rotor Induction Machine
- Asynchronous Motor Supplied with Single-Phase Current
- Synchronous Machines
- Inductances of a Synchronous Machine in Synchronous Operation
- and in Transients
- Loaded Synchronous Machine and Load Angle Equation
- RMS Value Phasor Diagrams of a Synchronous Machine
- No-Load Curve and Short-Circuit Test
- Asynchronous Drive
- Asymmetric-Load-Caused Damper Currents
- Shift of Damper Bar Slotting from the Symmetry Axis of the Pole
- V Curve of a Synchronous Machine
- Excitation Methods of a Synchronous Machine
- Permanent Magnet Synchronous Machines
- Synchronous Reluctance Machines
- DC Machines
- Configuration of DC Machines
- Operation and Voltage of a DC Machine
- Armature Reaction of a DC machine and Machine Design
- Commutation
- Doubly Salient Reluctance Machine
- Operating Principle of a Doubly Salient Reluctance Machine
- Torque of an SR Machine
- Operation of an SR Machine
- Basic Terminology, Phase Number and Dimensioning of an SR Machine
- Control Systems of an SR Motor
- Future Scenarios for SR Machines
- Bibliography
- Insulation of Electrical Machines
- Insulation of Rotating Electrical Machines
- Impregnation Varnishes and Resins
- Dimensioning of an Insulation
- Electrical Reactions Ageing Insulation
- Practical Insulation Constructions
- Slot Insulations of Low-Voltage Machines
- Coil End Insulations of Low-Voltage Machines
- Pole Winding Insulations
- Low-Voltage Machine Impregnation
- Insulation of High-Voltage Machines
- Condition Monitoring of Insulation
- Insulation in Frequency Converter Drives
- Bibliography
- Losses and Heat Transfer
- Losses
- Resistive Losses
- Iron Losses
- Additional Losses
- Mechanical Losses
- Decreasing Losses
- Economics of Energy Savings
- Heat Removal
- Conduction
- Radiation
- Convection
- Thermal Equivalent Circuit
- Analogy between Electrical and Thermal Quantities
- Average Thermal Conductivity of a Winding
- Thermal Equivalent Circuit of an Electrical Machine
- Modeling of Coolant Flow
- Solution of Equivalent Circuit
- Cooling Flow Rate
