by Ion Boldea
Variable Speed Generators provides an in-depth examination of variable-speed generators for both stand-alone and grid-connected applications.
Features:
- Provides a comprehensive survey of all types of variable-speed electric generators
- Covers the various topologies, steady state, transients, modeling, performance, control, design, and testing
- Includes self-contained coverage of variable-speed generators not available in any other single source
- Imparts practical, state-of-the-art knowledge for the design and control of starter alternators for hybrid-electric vehicles, wind and hydro generators, and linear motion generators
Contents
Wound Rotor Induction Generators (WRIGS): Steady State
- Construction Elements
- Steady-State Equations
- Equivalent Circuit
- Phasor Diagrams
- Operation at the Power Grid
- Autonomous Operation of WRIG
- Operation of WRIG in the Brushless Exciter Mode
- Losses and Efficiency of WRIG
Wound Rotor Induction Generators: Transients and Control
- The WRIG Phase Coordinate Model
- The Space-Phasor Model of WRIG
- Space-Phasor Equivalent Circuits and Diagrams
- Approaches to WRIG Transients
- Static Power Converters for WRIGs
- Vector Control of WRIG at Power Grid
- Direct Power Control (DPC) of WRIG at Power Grid
- Independent Vector Control of Positive and Negative Sequence Currents
- Motion-Sensorless Control
- Vector Control in Stand-Alone Operation
- Self-Starting, Synchronization, and Loading at the Power Grid
- Voltage and Current Low-Frequency Harmonics of WRIG
Wound Rotor Induction Generators (WRIGS): Design and Testing
- Design Specifications: An Example
- Stator Design
- Rotor Design
- Magnetization Current
- Reactances and Resistances
- Electrical Losses and Efficiency
- Testing of WRIGs
Self-Excited Induction Generators
- The Cage Rotor Induction Machine Principle
- Self-Excitation: A Qualitative View
- Steady-State Performance of Three-Phase SEIGs
- Performance Sensitivity Analysis
- Pole Changing SEIGs for Variable Speed Operation
- Unbalanced Operation of Three-Phase SEIGs
- One Phase Open at Power Grid
- Three-Phase SEIG with Single-Phase Output
- Two-Phase SEIGs with Single-Phase Output
- Three-Phase SEIG Transients
- Parallel Connection of SEIGs
- Connection Transients in Cage Rotor Induction Generators at Power Grid
- More on Power Grid Disturbance Transients in Cage Rotor Induction Generators
Stator Converter Controlled Induction Generators(SCIGs)
- Grid Connected SCIGs: The Control System
- Grid Connection and Four-Quadrant Operation of SCIGs
- Stand-Alone Operation of SCIG
- Parallel Operation of SCIGs
- Static Capacitor Exciter Stand-Alone IG for Pumping Systems
- Operation of SCIGs with DC Voltage Controlled Output
- Dual Stator Winding for Grid Applications
Automotive Claw-Pole-Rotor Generator Systems
- Construction and Principle
- Magnetic Equivalent Circuit (MEC) Modeling
- Three-Dimensional Finite Element Method (3D FEM) Modeling
- Losses, Efficiency, and Power Factor
- Design Improvement Steps
- The Lundell Starter/Generator for Hybrid Vehicles
Induction Starter/Alternators (ISAs) for Electric Hybrid Vehicles (EHVs)
- EHV Configuration
- Essential Specifications
- Topology Aspects of Induction Starter/Alternator (ISA)
- ISA Space-Phasor Model and Characteristics
- Vector Control of ISA
- DTFC of ISA
- ISA Design Issues for Variable Speed
Permanent-Magnet-Assisted Reluctance Synchronous Starter/Alternators For Electric Hybrid Vehicles
- Topologies of PM-RSM
- Finite Element Analysis
- The d-q Model of PM-RSM
- Steady-State Operation at No Load and Symmetric Short-Circuit
- Design Aspects for Wide Speed Range Constant Power Operation
- Power Electronics for PM-RSM for Automotive Applications
- Control of PM-RSM for EHV
- State Observers without Signal Injection for Motion Sensorless Control
- Signal Injection Rotor Position Observers
- Initial and Low Speed Rotor Position Tracking
Switched Reluctance Generators and Their Control
- Practical Topologies and Principles of Operation
- SRG(M) Modeling
- The Flux/Current/Position Curves
- Design Issues
- PWM Converters for SRGs
- Control of SRG(M)s
- Direct Torque Control of SRG(M)s
- Rotor Position and Speed Observers for Motion-Sensorless Control
- Output Voltage Control in SRG
Permanent Magnet Synchronous Generator Systems
- Practical Configurations and Their Characterization
- Airgap Field Distribution, emf and Torque
- Stator Core Loss Modeling
- The Circuit Model
- Circuit Model of PMSG with Shunt Capacitors and AC Load
- Circuit Model of PMSG with Diode Rectifier Load
- Utilization of Third Harmonic for PMSG with Diode Rectifiers
- Autonomous PMSGs with Controlled Constant Speed and AC Load
- Grid-Connected Variable-Speed PMSG System
- The PM Genset with Multiple Outputs
- Super-High-Speed PM Generators: Design Issues
- Super-High-Speed PM Generators: Power Electronics Control Issues
- Design of a 42 Vdc Battery-Controlled-Output PMSG System
- Methods for Testing PMSGs
- Note on Medium-Power Vehicular Electric Generator Systems
Transverse Flux and Flux Reversal Permanent Magnet Generator Systems
- The Three-Phase Transverse Flux Machine (TFM): Magnetic Circuit Design
- TFM: The d-q Model and Steady State
- The Three-Phase Flux Reversal Permanent Magnet Generator: Magnetic and Electric Circuit Design
Linear Motion Alternators (LMAs)
- LMA Principle of Operation
- PM-LMA with Coil Mover
- Multipole LMA with Coil Plus Iron Mover
- PM-Mover LMAs
- The Tubular Homopolar PM Mover Single-Coil LMA
- The Flux Reversal LMA with Mover PM Flux Concentration
- PM-LMAs with Iron Mover
- The Flux Reversal PM-LMA Tubular Configuration
- Control of PM-LMAs
- Progressive-Motion LMAs for Maglevs with Active Guideway
Index