{"product_id":"introduction-to-ac-machine-design-9781119352167","title":"Introduction to AC Machine Design","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eThe only book on the market that emphasizes machine design beyond the basic principles of AC and DC machine behavior    AC electrical machine design is a key skill set for developing competitive electric motors and generators for applications in industry, aerospace, and defense.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTable of Contents\u003c\/b\u003e\u003cbr\u003e\u003cp\u003ePreface and Acknowledgments xiii\u003c\/p\u003e \u003cp\u003eList of Principal Symbols xv\u003c\/p\u003e \u003cp\u003eAbout the Author xxiii\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 1 Magnetic Circuits 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e1.1 Biot–Savart Law 1\u003c\/p\u003e \u003cp\u003e1.2 The Magnetic Field \u003ci\u003eB\u003c\/i\u003e 2\u003c\/p\u003e \u003cp\u003e1.3 Example—Computation of Flux Density \u003ci\u003eB\u003c\/i\u003e 3\u003c\/p\u003e \u003cp\u003e1.4 The Magnetic Vector Potential \u003ci\u003eA\u003c\/i\u003e 5\u003c\/p\u003e \u003cp\u003e1.5 Example—Calculation of Magnetic Field from the Magnetic Vector Potential 6\u003c\/p\u003e \u003cp\u003e1.6 Concept of Magnetic Flux 7\u003c\/p\u003e \u003cp\u003e1.7 The Electric Field \u003ci\u003eE\u003c\/i\u003e 9\u003c\/p\u003e \u003cp\u003e1.8 Ampere’s Law 10\u003c\/p\u003e \u003cp\u003e1.9 Magnetic Field Intensity \u003ci\u003eH\u003c\/i\u003e 12\u003c\/p\u003e \u003cp\u003e1.10 Boundary Conditions for \u003ci\u003eB\u003c\/i\u003e and \u003ci\u003eH\u003c\/i\u003e 15\u003c\/p\u003e \u003cp\u003e1.11 Faraday’s Law 17\u003c\/p\u003e \u003cp\u003e1.12 Induced Electric Field Due to Motion 18\u003c\/p\u003e \u003cp\u003e1.13 Permeance, Reluctance, and the Magnetic Circuit 19\u003c\/p\u003e \u003cp\u003e1.14 Example—Square Toroid 23\u003c\/p\u003e \u003cp\u003e1.15 Multiple Circuit Paths 23\u003c\/p\u003e \u003cp\u003e1.16 General Expression for Reluctance 24\u003c\/p\u003e \u003cp\u003e1.17 Inductance 27\u003c\/p\u003e \u003cp\u003e1.18 Example—Internal Inductance of a Wire Segment 28\u003c\/p\u003e \u003cp\u003e1.19 Magnetic Field Energy 29\u003c\/p\u003e \u003cp\u003e1.20 The Problem of Units 31\u003c\/p\u003e \u003cp\u003e1.21 Magnetic Paths Wholly in Iron 33\u003c\/p\u003e \u003cp\u003e1.22 Magnetic Materials 35\u003c\/p\u003e \u003cp\u003e1.23 Example—Transformer Structure 37\u003c\/p\u003e \u003cp\u003e1.24 Magnetic Circuits with Air Gaps 40\u003c\/p\u003e \u003cp\u003e1.25 Example—Magnetic Structure with Saturation 42\u003c\/p\u003e \u003cp\u003e1.26 Example—Calculation for Series–Parallel Iron Paths 43\u003c\/p\u003e \u003cp\u003e1.27 Multiple Winding Magnetic Circuits 44\u003c\/p\u003e \u003cp\u003e1.28 Magnetic Circuits Applied to Electrical Machines 46\u003c\/p\u003e \u003cp\u003e1.29 Effect of Excitation Coil Placement 48\u003c\/p\u003e \u003cp\u003e1.30 Conclusion 50\u003c\/p\u003e \u003cp\u003eReference 50\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 2 The MMF and Field Distribution of an AC Winding 51\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e2.1 MMF and Field Distribution of a Full-Pitch Winding for a Two Pole Machine 51\u003c\/p\u003e \u003cp\u003e2.2 Fractional Pitch Winding for a Two-Pole Machine 54\u003c\/p\u003e \u003cp\u003e2.3 Distributed Windings 56\u003c\/p\u003e \u003cp\u003e2.4 Concentric Windings 62\u003c\/p\u003e \u003cp\u003e2.5 Effect of Slot Openings 64\u003c\/p\u003e \u003cp\u003e2.6 Fractional Slot Windings 67\u003c\/p\u003e \u003cp\u003e2.7 Winding Skew 70\u003c\/p\u003e \u003cp\u003e2.8 Pole Pairs and Circuits Greater than One 73\u003c\/p\u003e \u003cp\u003e2.9 MMF Distribution for Three-Phase Windings 73\u003c\/p\u003e \u003cp\u003e2.10 Concept of an Equivalent Two-Phase Machine 76\u003c\/p\u003e \u003cp\u003e2.11 Conclusion 77\u003c\/p\u003e \u003cp\u003eReferences 77\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 3 Main Flux Path Calculations Using Magnetic Circuits 79\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e3.1 The Main Magnetic Circuit of an Induction Machine 79\u003c\/p\u003e \u003cp\u003e3.2 The Effective Gap and Carter’s Coefficient 80\u003c\/p\u003e \u003cp\u003e3.3 The Effective Length 84\u003c\/p\u003e \u003cp\u003e3.4 Calculation of Tooth Reluctance 86\u003c\/p\u003e \u003cp\u003e3.5 Example 1—Tooth MMF Drop 89\u003c\/p\u003e \u003cp\u003e3.6 Calculation of Core Reluctance 94\u003c\/p\u003e \u003cp\u003e3.7 Example 2—MMF Drop Over Main Magnetic Circuit 102\u003c\/p\u003e \u003cp\u003e3.8 Magnetic Equivalent Circuit 111\u003c\/p\u003e \u003cp\u003e3.9 Flux Distribution in Highly Saturated Machines 112\u003c\/p\u003e \u003cp\u003e3.10 Calculation of Magnetizing Reactance 116\u003c\/p\u003e \u003cp\u003e3.11 Example 3—Calculation of Magnetizing Inductance 120\u003c\/p\u003e \u003cp\u003e3.12 Conclusion 123\u003c\/p\u003e \u003cp\u003eReferences 124\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 4 Use of Magnetic Circuits in Leakage Reactance Calculations 125\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e4.1 Components of Leakage Flux in Induction Machines 125\u003c\/p\u003e \u003cp\u003e4.2 Specific Permeance 127\u003c\/p\u003e \u003cp\u003e4.3 Slot Leakage Permeance Calculations 129\u003c\/p\u003e \u003cp\u003e4.4 Slot Leakage Inductance of a Single-Layer Winding 134\u003c\/p\u003e \u003cp\u003e4.5 Slot Leakage Permeance of Two-Layer Windings 135\u003c\/p\u003e \u003cp\u003e4.6 Slot Leakage Inductances of a Double-Cage Winding 137\u003c\/p\u003e \u003cp\u003e4.7 Slot Leakage Inductance of a Double-Layer Winding 139\u003c\/p\u003e \u003cp\u003e4.8 End-Winding Leakage Inductance 144\u003c\/p\u003e \u003cp\u003e4.8.1 Method of Images 144\u003c\/p\u003e \u003cp\u003e4.8.2 End-Winding Leakage Inductance of Random-Wound Coils 147\u003c\/p\u003e \u003cp\u003e4.8.3 End-Winding Leakage Inductance of a Coil with Stator Iron Treated as a Perfect Conductor 148\u003c\/p\u003e \u003cp\u003e4.8.4 End-Winding Leakage Inductance of a Coil with Stator Iron Treated as Air 150\u003c\/p\u003e \u003cp\u003e4.8.5 End-Winding Leakage Inductance per Phase 153\u003c\/p\u003e \u003cp\u003e4.8.6 End-Winding Leakage of Form-Wound Coils 153\u003c\/p\u003e \u003cp\u003e4.8.7 Squirrel-Cage End-Winding Inductance 155\u003c\/p\u003e \u003cp\u003e4.9 Stator Harmonic or Belt Leakage 156\u003c\/p\u003e \u003cp\u003e4.10 Zigzag Leakage Inductance 159\u003c\/p\u003e \u003cp\u003e4.11 Example 4—Calculation of Leakage Inductances 164\u003c\/p\u003e \u003cp\u003e4.12 Effective Resistance and Inductance Per Phase of Squirrel-Cage Rotor 171\u003c\/p\u003e \u003cp\u003e4.13 Fundamental Component of Rotor Air Gap MMF 175\u003c\/p\u003e \u003cp\u003e4.14 Rotor Harmonic Leakage Inductance 177\u003c\/p\u003e \u003cp\u003e4.15 Calculation of Mutual Inductances 181\u003c\/p\u003e \u003cp\u003e4.16 Example 5—Calculation of Rotor Leakage Inductance Per Phase 186\u003c\/p\u003e \u003cp\u003e4.17 Skew Leakage Inductance 187\u003c\/p\u003e \u003cp\u003e4.18 Example 6—Calculation of Skew Leakage Effects 189\u003c\/p\u003e \u003cp\u003e4.19 Conclusion 190\u003c\/p\u003e \u003cp\u003eReferences 190\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 5 Calculation of Induction Machine Losses 193\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e5.1 Introduction 193\u003c\/p\u003e \u003cp\u003e5.2 Eddy Current Effects in Conductors 194\u003c\/p\u003e \u003cp\u003e5.3 Calculation of Stator Resistance 203\u003c\/p\u003e \u003cp\u003e5.4 Example 7—Calculation of Stator and Rotor Resistance 205\u003c\/p\u003e \u003cp\u003e5.5 Rotor Parameters of Irregularly Shaped Bars 212\u003c\/p\u003e \u003cp\u003e5.6 Categories of Electrical Steels 216\u003c\/p\u003e \u003cp\u003e5.7 Core Losses Due to Fundamental Flux Component 217\u003c\/p\u003e \u003cp\u003e5.8 Stray Load and No-Load Losses 222\u003c\/p\u003e \u003cp\u003e5.9 Calculation of Surface Iron Losses Due to Stator Slotting 228\u003c\/p\u003e \u003cp\u003e5.10 Calculation of Tooth Pulsation Iron Losses 237\u003c\/p\u003e \u003cp\u003e5.11 Friction and Windage Losses 244\u003c\/p\u003e \u003cp\u003e5.12 Example 8—Calculation of Iron Loss Resistances 244\u003c\/p\u003e \u003cp\u003e5.13 Conclusion 250\u003c\/p\u003e \u003cp\u003eReferences 250\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 6 Principles of Design 251\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e6.1 Design Factors 251\u003c\/p\u003e \u003cp\u003e6.2 Standards for Machine Construction 252\u003c\/p\u003e \u003cp\u003e6.3 Main Design Features 255\u003c\/p\u003e \u003cp\u003e6.4 The \u003ci\u003eD\u003c\/i\u003e\u003csup\u003e2\u003c\/sup\u003e\u003ci\u003eL\u003c\/i\u003e Output Coefficient 258\u003c\/p\u003e \u003cp\u003e6.4.1 Essen’s Rule 259\u003c\/p\u003e \u003cp\u003e6.4.2 Magnetic Shear Stress 261\u003c\/p\u003e \u003cp\u003e6.4.3 The Aspect Ratio 265\u003c\/p\u003e \u003cp\u003e6.4.4 Base Impedance 268\u003c\/p\u003e \u003cp\u003e6.5 The \u003ci\u003eD\u003c\/i\u003e\u003csup\u003e3\u003c\/sup\u003e\u003ci\u003eL\u003c\/i\u003e Output Coefficient 269\u003c\/p\u003e \u003cp\u003e6.6 Power Loss Density 277\u003c\/p\u003e \u003cp\u003e6.7 The D\u003csup\u003e2.5\u003c\/sup\u003eL Sizing Equation 277\u003c\/p\u003e \u003cp\u003e6.8 Choice of Magnetic Loading 278\u003c\/p\u003e \u003cp\u003e6.8.1 Maximum Flux Density in Iron 279\u003c\/p\u003e \u003cp\u003e6.8.2 Magnetizing Current 280\u003c\/p\u003e \u003cp\u003e6.9 Choice of Electric Loading 281\u003c\/p\u003e \u003cp\u003e6.9.1 Voltage Rating 281\u003c\/p\u003e \u003cp\u003e6.9.2 Current Density Constraints 282\u003c\/p\u003e \u003cp\u003e6.9.3 Representative Values of Current Density 285\u003c\/p\u003e \u003cp\u003e6.10 Practical Considerations Concerning Stator Construction 287\u003c\/p\u003e \u003cp\u003e6.10.1 Random Wound vs. Formed Coil Windings 288\u003c\/p\u003e \u003cp\u003e6.10.2 Delta vs. Wye Connection 289\u003c\/p\u003e \u003cp\u003e6.10.3 Lamination Insulation 290\u003c\/p\u003e \u003cp\u003e6.10.4 Selection of Stator Slot Number 290\u003c\/p\u003e \u003cp\u003e6.10.5 Choice of Dimensions of Active Material for NEMA Designs 291\u003c\/p\u003e \u003cp\u003e6.10.6 Selection of Wire Size 292\u003c\/p\u003e \u003cp\u003e6.10.7 Selection of Air Gap 293\u003c\/p\u003e \u003cp\u003e6.11 Rotor Construction 293\u003c\/p\u003e \u003cp\u003e6.11.1 Slot Combinations to Avoid 294\u003c\/p\u003e \u003cp\u003e6.11.2 Rotor Heating During Starting or Under Stalled Conditions 294\u003c\/p\u003e \u003cp\u003e6.12 The Design Process 295\u003c\/p\u003e \u003cp\u003e6.13 Effect of Machine Performance by a Change in Dimension 299\u003c\/p\u003e \u003cp\u003e6.14 Conclusion 302\u003c\/p\u003e \u003cp\u003eReferences 302\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 7 Thermal Design 305\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e7.1 The Thermal Problem 305\u003c\/p\u003e \u003cp\u003e7.2 Temperature Limits and Maximum Temperature Rise 306\u003c\/p\u003e \u003cp\u003e7.3 Heat Conduction 307\u003c\/p\u003e \u003cp\u003e7.3.1 Simple Heat Conduction Through a Rectangular Plate 308\u003c\/p\u003e \u003cp\u003e7.3.2 Heat Conduction Through a Cylinder 309\u003c\/p\u003e \u003cp\u003e7.3.3 Heat Conduction with Simple Internal Heat Generation 311\u003c\/p\u003e \u003cp\u003e7.3.4 Example 9—Stator Winding Heating 313\u003c\/p\u003e \u003cp\u003e7.3.5 One-Dimensional Conductive Heat Flow with Distributed Internal Heat Generation 314\u003c\/p\u003e \u003cp\u003e7.3.6 Two- and Three-Dimensional Conductive Heat Flow with Internal Distributed Heat Generation 316\u003c\/p\u003e \u003cp\u003e7.3.7 Application of Two-Dimensional Heat Flow to Stator Teeth 317\u003c\/p\u003e \u003cp\u003e7.3.8 Radial Heat Flow Over Solid Cylinder with Internal Heat Generation 318\u003c\/p\u003e \u003cp\u003e7.3.9 Heat Flow Over Cylindrical Shell with Internal Distributed Heat Generation 320\u003c\/p\u003e \u003cp\u003e7.4 Heat Convection on Plane Surfaces 325\u003c\/p\u003e \u003cp\u003e7.5 Heat Flow Across the Air Gap 327\u003c\/p\u003e \u003cp\u003e7.6 Heat Transfer by Radiation 328\u003c\/p\u003e \u003cp\u003e7.7 Cooling Methods and Systems 329\u003c\/p\u003e \u003cp\u003e7.7.1 Surface Cooling by Air 329\u003c\/p\u003e \u003cp\u003e7.7.2 Internal Cooling 329\u003c\/p\u003e \u003cp\u003e7.7.3 Cooling in a Circulatory System 329\u003c\/p\u003e \u003cp\u003e7.7.4 Cooling with Liquids 330\u003c\/p\u003e \u003cp\u003e7.7.5 Direct Gas Cooling 330\u003c\/p\u003e \u003cp\u003e7.7.6 Gas as a Cooling Medium 331\u003c\/p\u003e \u003cp\u003e7.7.7 Liquids as a Cooling Medium 332\u003c\/p\u003e \u003cp\u003e7.8 Thermal Equivalent Circuit 333\u003c\/p\u003e \u003cp\u003e7.9 Example 10—Heat Distribution of 250 HP Induction Machine 338\u003c\/p\u003e \u003cp\u003e7.9.1 Heat Inputs 339\u003c\/p\u003e \u003cp\u003e7.9.2 Thermal Resistances 342\u003c\/p\u003e \u003cp\u003e7.10 Transient Heat Flow 353\u003c\/p\u003e \u003cp\u003e7.10.1 Externally Generated Heat 353\u003c\/p\u003e \u003cp\u003e7.10.2 Internally Generated Heat—Stalled Operation 354\u003c\/p\u003e \u003cp\u003e7.10.3 Thermal Instability 356\u003c\/p\u003e \u003cp\u003e7.11 Conclusion 357\u003c\/p\u003e \u003cp\u003eReferences 357\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 8 Permanent Magnet Machines 359\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e8.1 Magnet Characteristics 359\u003c\/p\u003e \u003cp\u003e8.2 Hysteresis 362\u003c\/p\u003e \u003cp\u003e8.3 Permanent Magnet Materials 364\u003c\/p\u003e \u003cp\u003e8.4 Determination of Magnet Operating Point 366\u003c\/p\u003e \u003cp\u003e8.5 Sinusoidally FED Surface PM Motor 369\u003c\/p\u003e \u003cp\u003e8.6 Flux Density Constraints 373\u003c\/p\u003e \u003cp\u003e8.7 Current Density Constraints 376\u003c\/p\u003e \u003cp\u003e8.8 Choice of Aspect Ratio 377\u003c\/p\u003e \u003cp\u003e8.9 Eddy Current Iron Losses 377\u003c\/p\u003e \u003cp\u003e8.9.1 Eddy Current Tooth Iron Losses 378\u003c\/p\u003e \u003cp\u003e8.9.2 Eddy Current Yoke Iron Losses 379\u003c\/p\u003e \u003cp\u003e8.10 Equivalent Circuit Parameters 380\u003c\/p\u003e \u003cp\u003e8.10.1 Magnetizing Inductance 381\u003c\/p\u003e \u003cp\u003e8.10.2 Current Source 382\u003c\/p\u003e \u003cp\u003e8.10.3 Eddy Current Iron Loss Resistance 382\u003c\/p\u003e \u003cp\u003e8.10.4 Alternate Equivalent Circuit 383\u003c\/p\u003e \u003cp\u003e8.11 Temperature Constraints and Cooling Capability 383\u003c\/p\u003e \u003cp\u003e8.12 Magnet Protection 384\u003c\/p\u003e \u003cp\u003e8.12.1 Magnet Protection for Maximum Steady-State Current 384\u003c\/p\u003e \u003cp\u003e8.12.2 Magnet Protection for Transient Conditions 386\u003c\/p\u003e \u003cp\u003e8.13 Design for Flux Weakening 387\u003c\/p\u003e \u003cp\u003e8.14 PM Motor with Inset Magnets 389\u003c\/p\u003e \u003cp\u003e8.14.1 Short-Circuit Protection 392\u003c\/p\u003e \u003cp\u003e8.14.2 Flux Weakening 392\u003c\/p\u003e \u003cp\u003e8.15 Cogging Torque 393\u003c\/p\u003e \u003cp\u003e8.16 Ripple Torque 394\u003c\/p\u003e \u003cp\u003e8.17 Design Using Ferrite Magnets 394\u003c\/p\u003e \u003cp\u003e8.18 Permanent Machines with Buried Magnets 395\u003c\/p\u003e \u003cp\u003e8.18.1 PM Machines with Buried Circumferential Magnets 396\u003c\/p\u003e \u003cp\u003e8.19 Conclusion 399\u003c\/p\u003e \u003cp\u003eAcknowledgment 400\u003c\/p\u003e \u003cp\u003eReferences 400\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 9 Electromagnetic Design of Synchronous Machines 401\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e9.1 Calculation of Useful Flux Per Pole 401\u003c\/p\u003e \u003cp\u003e9.2 Calculation of Direct and Quadrature Axis Magnetizing Inductance 402\u003c\/p\u003e \u003cp\u003e9.3 Determination of Field Magnetizing Inductance 411\u003c\/p\u003e \u003cp\u003e9.4 Determination of \u003ci\u003ed\u003c\/i\u003e-Axis Mutual Inductances 418\u003c\/p\u003e \u003cp\u003e9.5 Calculation of Rotor Pole Leakage Permeances 420\u003c\/p\u003e \u003cp\u003e9.6 Stator Leakage Inductances of a Salient Pole Synchronous Machine 424\u003c\/p\u003e \u003cp\u003e9.6.1 Zigzag or Tooth-Top Leakage Inductance of Salient Pole Machines 424\u003c\/p\u003e \u003cp\u003e9.7 The Amortisseur Winding Parameters 428\u003c\/p\u003e \u003cp\u003e9.8 Mutual and Magnetizing Inductances of the Amortisseur Winding 435\u003c\/p\u003e \u003cp\u003e9.9 Direct Axis Equivalent Circuit 435\u003c\/p\u003e \u003cp\u003e9.10 Referral of Rotor Parameters to the Stator 438\u003c\/p\u003e \u003cp\u003e9.11 Quadrature Axis Circuit 441\u003c\/p\u003e \u003cp\u003e9.12 Power and Torque Expressions 446\u003c\/p\u003e \u003cp\u003e9.13 Magnetic Shear Stress 449\u003c\/p\u003e \u003cp\u003e9.14 Field Current Profile 451\u003c\/p\u003e \u003cp\u003e9.15 Conclusion 453\u003c\/p\u003e \u003cp\u003eReferences 453\u003c\/p\u003e \u003cp\u003e\u003cb\u003eChapter 10 Finite-Element Solution of Magnetic Circuits 455\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e10.1 Formulation of the Two-Dimensional Magnetic Field Problem 455\u003c\/p\u003e \u003cp\u003e10.2 Significance of the Vector Potential 458\u003c\/p\u003e \u003cp\u003e10.3 The Variational Method 459\u003c\/p\u003e \u003cp\u003e10.4 Nonlinear Functional and Conditions for Minimization 460\u003c\/p\u003e \u003cp\u003e10.5 Description of the Finite-Element Method 465\u003c\/p\u003e \u003cp\u003e10.6 Magnetic Induction and Reluctivity in the Triangle Element 467\u003c\/p\u003e \u003cp\u003e10.7 Functional Minimization 468\u003c\/p\u003e \u003cp\u003e10.8 Formulation of the Stiffness Matrix Equation 472\u003c\/p\u003e \u003cp\u003e10.9 Consideration of Boundary Conditions 474\u003c\/p\u003e \u003cp\u003e10.10 Step-By-Step Procedure for Solving the Finite-Element Problem 476\u003c\/p\u003e \u003cp\u003e10.11 Finite-Element Modeling of Permanent Magnets 482\u003c\/p\u003e \u003cp\u003e10.12 Conclusion 485\u003c\/p\u003e \u003cp\u003e10.A Appendix 486\u003c\/p\u003e \u003cp\u003eReferences 487\u003c\/p\u003e \u003cp\u003eAppendix A Computation of Bar Current 489\u003c\/p\u003e \u003cp\u003eAppendix B FEM Example 493\u003c\/p\u003e \u003cp\u003eIndex 505\u003c\/p\u003e","brand":"John Wiley \u0026 Sons Inc","offers":[{"title":"Default Title","offer_id":53186830827863,"sku":"9781119352167","price":106.16,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/bookcurl.com\/products\/introduction-to-ac-machine-design-9781119352167","provider":"Book Curl","version":"1.0","type":"link"}