Multiphase Hybrid Electric Machines: Applications for Electrified Powertrains

✍ Scribed by Ahmad S. Al-Adsani, Omid Beik

• Publisher: Springer
• Year: 2021
• Tongue: English
• Leaves: 234
• Edition: 1st ed. 2022
• Category: Library

✦ Synopsis

This book provides an insight into the design, modeling, control, and application of multiphase hybrid permanent magnet machines for electrified powertrains in electric and hybrid electric vehicles. The authors present an overview of electric and hybrid electric vehicles, hybrid electric machine topologies, hybrid permanent magnet (HPM) machine design, multiphase hybrid machines, operation of multiphase generators in series hybrid electric vehicles (SHEV), and machine hardware build-up and testing. Readers will gain an understanding of multiphase machine configuration, their design, control, and recent applications, along with the benefits they provide, and learn general design steps, prototyping, and hardware build-up processes of multiphase electric machines. 

Multiphase Hybrid Electric Machines: Applications for Electrified Powertrains will be a valuable reference for undergraduate and graduate students, researchers, and practicing engineers, working on electric/hybrid electric vehicles, as well as electric machine applications in renewable energy systems specifically wind turbines, HVAC systems, robotics, and aerospace industry.

✦ Table of Contents

Preface
Contents
Chapter 1: General Electric Machine Theory
1.1 Magnetic Circuit Principles
1.1.1 Magnetic Field Distribution and Flux Density
1.1.2 Ferromagnetic Materials and Magnetization Curves
1.2 Electric Machine Fundamentals
1.3 Overview of Classical Electric Machine Topologies
1.3.1 Brushed DC and AC Machines
1.3.2 Brushless AC Machines
1.3.3 Switch Reluctance Machines
1.4 WF and PM Synchronous Machine Excitation Fields
1.4.1 Magnetic Flux Path Representation of WF Synchronous Machines
1.4.2 Magnetic Flux Path Representation of PM Synchronous Machines
Chapter 2: Hybrid Electric Machine Concept
2.1 History
2.2 Hybrid Electric Machine Classification
2.3 Different Hybrid Machine Topologies
2.3.1 PM Synchronous Machine with Claw Pole Field Excitation (PSCPF)
2.3.2 Toroidal-Stator Transverse-Flux Machine (TSTFM)
2.3.3 Hybrid Excitation Synchronous Machine (HESM)
2.3.4 Synchronous Permanent Magnet Hybrid AC Machine (SynPM)
2.3.5 Consequent Pole Permanent Magnet Hybrid Excitation Machine (CPPM)
2.3.6 Field Controlled Torus-NS (FCT-NS) Machine
2.3.7 Dual-Rotor Machine
2.3.8 Imbricated Hybrid Excitation Machine (IHEM)
2.3.9 Series Double Excited Synchronous Machine (SDESM)
2.3.10 Switch Reluctance Machine with Stator Field Assistance
2.3.11 Dual-Stator Hybrid Excited Synchronous Wind Generator (DSHESG)
2.4 Summary of Surveyed Literature on HPM Machines
Chapter 3: Hybrid Permanent Magnet Machine Design
3.1 Introduction
3.2 Machine Volume Envelope Consideration
3.2.1 PM Machine Dimensions
3.2.2 PM Machine Stator Winding Layout
3.2.3 Stator Winding Fill Factor and Resistance
3.2.4 Finite Element Method Program
3.2.5 Machine Back-EMF Prediction
3.2.6 PM Machine Analysis Via EMC Model
3.3 WF Machine
3.3.1 WF Rotor Design
3.3.2 WF to PM Split Ratio
3.3.3 Comparative Analysis of WF Rotor Designs
3.4 HPM Machine Parameters
3.4.1 Torque Prediction and Saturation
3.4.2 Synchronous Inductance and Winding Resistance
3.5 HPM Machine Final Design Model Analysis
3.5.1 Rotor PM Demagnetization
3.5.2 Core Loss Prediction
3.6 HPM Machine Thermal Model
3.6.1 General Principle of the Lumped Parameter Method
3.6.2 Conduction Heat Transfer
3.6.3 Convection Heat Transfer
3.6.4 Radiation Heat Transfer
3.6.5 HPM Machine Thermal Model
3.7 Comparison Between PM and Four HPM Machine Topologies
3.8 Conclusion
Chapter 4: Multiphase HPM Generator Systems
4.1 Overview on Multiphase Machines
4.1.1 Multiphase Windings Principles
4.1.2 Rectified Voltage due to Three- and Nine-Phase HPM Generator Systems
4.2 Nine-Phase HPM Generator Parameters
4.2.1 Nine-Phase Winding Layout and Back-EMF
4.2.2 Back-EMF and Torque Waveform Harmonics Prediction
4.2.3 Synchronous Inductance Prediction
4.2.4 Construction of HPM Machines Prototype
4.2.5 Resistance and Inductance Measurements
4.3 Analysis Models
4.3.1 General dq Mathematical Model of HPM Generator
4.3.2 Simulation Model
4.4 Three- and Nine-Phase HPM Generator System Studies
4.4.1 Impact on Synchronous Inductance and Rectifier
4.4.2 System Sensitivity to Generator Synchronous Inductance
4.4.3 DC-Link Voltage Quality
4.5 Loss Audit of Generator Systems
4.5.1 Introduction
4.5.2 Core Loss Prediction
4.5.3 Passive and Active Converter Loss for HPM and PM Generator Systems
4.6 Conclusion
Chapter 5: Electric and Hybrid Electric Powertrains
5.1 Introduction
5.2 Overview of EVs
5.2.1 EV Powertrain Configuration
5.2.2 Battery Technology
5.3 Overview of HEVs
5.3.1 HEV Powertrain Configurations
5.4 Vehicle Driving Cycles
5.5 Series Hybrid Electric Vehicle (SHEV)
5.5.1 ZEBRA Battery
5.5.2 Internal Combustion Engine (ICE)
5.5.3 Engine-Mounted Multiphase HPM Generator
5.6 Electric Vehicle Range Extender
5.6.1 Introduction
5.6.2 Literature Review of EV Range Extender Studies
5.7 ICE/HPM Generator Range Extender in SHEVs
5.7.1 Vehicle Traction Machine Torque
5.7.2 Hybridization Ratio
5.7.3 Range Extender Sizing in SHEV Powertrain
5.7.4 Study Cases
5.8 Conclusion
Chapter 6: Operation and Characterization of Multiphase HPM Generator in SHEV Powertrain
6.1 Introduction
6.2 HPM Machine Back-EMF Control Strategy
6.2.1 Control Strategy Analysis
6.2.2 DC-link Design Options
6.3 HPM Machine Output Power Control
6.3.1 Introduction
6.3.2 HPM Generator Operating Scenarios
6.3.3 Energy Loss Prediction for Two Driving Cycles
6.3.4 Solving Final Choice with Full Simulation Model
6.3.5 Thermal Analysis Results of the Investigated HPM Machine
6.4 HPM Machine Characterization Using Brushless Excitor
6.4.1 32-Phase Brushless Excitation Scheme
6.4.2 Performance Curves
6.4.3 Efficiency Mapping
6.5 Conclusion
References
Further Reading
Index