15 7 Transformer Design 7.1 Common Transformer Architectures 7.2 T‐Equivalent Circuit Model 7.3 Steady‐State Analysis 7.4 Transformer Performance Considerations 7.5 Core‐Type Transformer Configuration 7.6 Core‐Type Transformer MEC 7.7 Core Loss 7.8 Core‐Type Transformer Design 7.9 Case Study 7.10 Closing Remarks References Problems
16 8 Distributed Windings and Rotating Electric Machinery 8.1 Describing Distributed Windings 8.2 Winding Functions 8.3 Air‐Gap Magneto Motive Force 8.4 Rotating MMF 8.5 Flux Linkage and Inductance 8.6 Slot Effects and Carter’s Coefficient 8.7 Leakage Inductance 8.8 Resistance 8.9 Introduction to Reference Frame Theory 8.10 Expressions for Torque References Problems
17 9 Introduction to Permanent Magnet AC Machine Design 9.1 Permanent Magnet Synchronous Machines 9.2 Operating Characteristics of PMAC Machines 9.3 Machine Geometry 9.4 Stator Winding 9.5 Material Parameters 9.6 Stator Currents and Control Philosophy 9.7 Radial Field Analysis 9.8 Lumped Parameters 9.9 Ferromagnetic Field Analysis 9.10 Formulation of Design Problem 9.11 Case Study 9.12 Extensions References Problems
18 10 Introduction to Thermal Equivalent Circuits 10.1 Heat Energy, Heat Flow, and the Heat Equation 10.2 Thermal Equivalent Circuit of One‐Dimensional Heat Flow 10.3 Thermal Equivalent Circuit of a Cuboidal Region 10.4 Thermal Equivalent Circuit of a Cylindrical Region 10.5 Inhomogeneous Regions 10.6 Material Boundaries 10.7 Thermal Equivalent Circuit Networks 10.8 Case Study: Thermal Model of Electromagnet References Problems
19 11 Alternating Current Conductor Losses 11.1 Skin Effect in Strip Conductors 11.2 Skin Effect in Cylindrical Conductors 11.3 Proximity Effect in a Single Conductor 11.4 Independence of Skin and Proximity Effects 11.5 Proximity Effect in a Group of Conductors 11.6 Relating Mean‐Squared Field and Leakage Permeance 11.7 Mean‐Squared Field for Select Geometries 11.8 Conductor Losses in Rotating Machinery 11.9 Conductor Losses in a UI‐Core Inductor 11.10 Closing Remarks References Problems
20 12 Parasitic Capacitance 12.1 Modeling Approach 12.2 Review of Electrostatics 12.3 Turn‐to‐Turn Capacitance 12.4 Coil‐to‐Core