Variable speed generators. (2015)

• Record Type: Book
• Further Information: Note: Ion Boldea.
• Authors: Boldea, I
• Contents: Wound-Rotor Induction Generators: Steady State; Introduction; Construction Elements; Steady-State Equations; Equivalent Circuit; Phasor Diagrams; Operation at the Power Grid; Autonomous Operation of WRIGs; Operation of WRIGs in the Brushless Exciter Mode; Losses and Efficiency of WRIGs; Summary; References Wound-Rotor Induction Generators: Transients and Control; Introduction; WRIG Phase Coordinate Model; 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 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; Ride-Through Control of DFIG under Unbalanced Voltage Sags; Stand-Alone DFIG Control under Unbalanced Nonlinear Loads; Summary; References Wound-Rotor Induction Generators: Design and Testing; Introduction; Design Specifications: An Example; Stator Design; Rotor Design; Magnetization Current; Reactances and Resistances; Electrical Losses and Efficiency; Testing of WRIGs; Summary; References Self-Excited Induction Generators; Introduction; Principle of Cage-Rotor Induction Machine; 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; Direct Connection to Grid Transients in Cage-Rotor Induction Generators; More on Power Grid Disturbance Transients in Cage-Rotor Induction Generators ; Summary; References Stator-Converter-Controlled Induction Generators; Introduction; 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; Stand-Alone SCIG with AC Output and Low Rating PWM Converter; Dual Stator Winding for Grid Applications; Twin Stator Winding SCIG with 50% Rating Inverter and Diode Rectifier; Dual Stator Winding IG with Nested Cage Rotor; Summary; References Automotive Claw-Pole-Rotor Generator Systems ; Introduction; Construction and Principle; Magnetic Equivalent Circuit Modeling; Three-Dimensional Finite Element Method Modeling; Losses, Efficiency, and Power Factor; Design Improvement Steps; Lundell Starter/Generator for Hybrid Vehicles; IPM Claw-Pole Alternator System for More Vehicle Braking Energy Recuperation: A Case Study; Summary; References Induction Starter/Alternators for Electric Hybrid Vehicles; Electric Hybrid Vehicle Configuration; Essential Specifications; Topology Aspects of Induction Starter/Alternator; ISA Space-Phasor Model and Characteristics; Vector Control of ISA; DTFC of ISA; ISA Design Issues for Variable Speed; Summary; References Permanent-Magnet-Assisted Reluctance Synchronous Starter/Alternators for Electric Hybrid Vehicles; Introduction; Topologies of PM-RSM; Finite Element Analysis; dq 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; 50/100 kW, 1350–7000 rpm (600 Nm Peak Torque, 40 kg) PM-Assisted Reluctance Synchronous Motor/Generator for HEV: A Case Study; Summary; References Switched Reluctance Generators and Their Control; Introduction; Practical Topologies and Principles of Operation; SRG(M) Modeling; Flux/Current/Position Curves; Design Issues; PWM Converters for SRGs; Control of SRG(M)s; Direct Torque Control of SRG(M); Rotor Position and Speed Observers for Motion-Sensorless Control; Output Voltage Control in SRG; Double Stator SRG with Segmented Rotor; Summary; References Permanent Magnet Synchronous Generator Systems; Introduction; Practical Configurations and Their Characterization; Air Gap Field Distribution, emf, and Torque ; Stator Core Loss Modeling; 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; 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; Grid to Stand-Alone Transition Motion-Sensorless Dual-Inverter Control of PMSG with Asymmetrical Grid Voltage Sags and Harmonics Filtering: A Case Study; Note on Medium-Power Vehicular Electric Generator Systems; Summary; References Transverse Flux and Flux Reversal Permanent Magnet Generator Systems; Introduction; Three-Phase Transverse Flux Machine: Magnetic Circuit Design; TFM: The dq Model and Steady State; Three-Phase FR-PM Generator: Magnetic and Electric Circuit Design ; High Power Factor Vernier PM Generators; Summary; References Linear Motion Alternators; Introduction; LMA Principle of Operation; PM-LMA with Coil Mover; Multipole LMA with Coil Plus Iron Mover; PM-Mover LMAs; Tubular Homopolar PM Mover Single-Coil LMA; Flux Reversal LMA with Mover PM Flux Concentration; PM-LMAs with Iron Mover; Flux Reversal PM-LMA Tubular Configuration; Control of PM-LMAs; Progressive-Motion LMAs for Maglevs with Active Guideway; Summary; References
• Edition: Second edition
• Publisher Details: Boca Raton : CRC Press
• Publication Date: 2015
• Extent: 1 online resource, illustrations (black and white)
• Subjects: 621.313; Variable speed generators
• Languages: English
• ISBNs: 9781498723589
• Related ISBNs: 9781498723572
• Notes: Note: Description based on CIP data; item not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.