Advancements in Electric Machines

Introduction ; 1.1 Why electric machines continue to naturally grow ; 1.2 Status of electric motors ; 1.2.1 A.C. motors ; 1.2.2 Brushless PM motors ; 1.2.3 Stepping motors ; 1.2.4 Switched reluctance motors ; 1.2.5 Servo motors ; 1.3 Progress in electric machines technology ; 1.4 Mechatronics ; 1.5 Microelectromechanical systems ; 1.6 Superconductivity ; 1.7 Solid state converters ; 1.8 Energy conservation ; 1.9 Power quality ; 1.10 Recyclable electric machines ; 2 Material engineering ; 2.1 Laminated silicon steels ; 2.2 High saturation ferromagnetic alloys ; 2.3 Amorphous ferromagnetic materials ; 2.4 Soft magnetic powder composites ; 2.5 Permanent magnets ; 2.5.1 Characteristics of PM materials ; 2.5.2 Rare-earth permanent magnets ; 2.5.3 Halbach array ; 2.6 Wire insulation with heat activated adhesives ; 2.7 High temperature materials ; 2.7.1 High temperature ferromagnetic materials ; 2.7.2 High temperature insulating materials and conductors; 2.8 Superconductors ; 2.8.1 Classification of HTS wires ; 2.8.2 HTS wires manufactured by American Superconductors ; 2.8.3 HTS wires manufactured by SuperPower ; 2.8.4 Bulk superconductors ; 2.9 Nanostructured materials ; 2.9.1 Carbon nanotubes; 2.9.2 Soft magnetic nanocrystalline composites ; 2.10 Magnetic shape memory materials ; 3 High power density machines ; 3.1 Permanent magnet transverse flux motors ; 3.2 Permanent magnet disc type motors ; 3.3 Permanent magnet motors with concentrated non-overlapping coils ; 3.4 Motors for refrigeration compressors in LNG plants; 3.5 Induction motors with cryogenic cooling system; 4 High speed machines ; 4.1 Requirements ; 4.2 Microturbines ; 4.3 Compressors ; 4.4 aircraft generators ; 4.5 High speed multimegawatt generators ; 4.5.1 Directed energy weapons ; 4.5.2 Airborne radar ; 4.5.3 Megawatt airborne generator cooling system; 4.6 Comparison of cooling techniques for high speed electric machines; 4.7 Induction machines with cage rotors ; 4.8 Induction machines with solid rotors ;5 Other type of novel motors ; 5.1 Written pole motor ; 5.2 Piezoelectric motors ; 5.3 Bearingless motors ; 5.4 Slotless motors; 5.5 Coreless stator permanent magnet brushless motors ; 5.5.1 Disc type coreless motors; 5.5.2 Cylindrical type motors with coreless stator winding; 5.6 Integrated starter generator ; 5.7 Integrated electromechanical drives ; 5.8 Induction motors with copper cage rotor; 6 Electric motors for medical and clinical applications ; 6.1 Electric motors and actuators ; 6.2 Material requirements; 6.3 Control ; 6.4 Implanted blood pumps ; 6.5 Mothorized catheters ; 6.6 Plaqueexcision ; 6.7 Capsule endoscopy ; 6.8 Minimally invasive surgery ; 6.9 Challenges ; 7 Generators for portable power applications; 7.1 Miniature rotary generators; 7.1.1 Mini generators for soldiers at battlefields and unmanned vehicles ; 7.1.2 Coreless stator disc type microgenerators; 7.2 Energy harvesting devices; 8 Superconducting electric machines ; 8.1 Low speed HTS machines; 8.1.1 Applications; 8.1.2 Requirements ; 8.1.3 HTS synchronous motor for ship propulsion rated at 5 MW ; 8.1.4 Test facility for 5 MW motors ; 8.1.5 HTS motor for ship propulsion rated 36.5 MW; 8.1.6 Superconducting synchronous generators ; 8.1.7 Dynamic synchronous condenser; 8.1.8 HTS synchronous generators developed by Siemens ; 8.1.9 Japanese HTS machines ; 8.1.10 Bulk HTS machines; 8.1.11 HTS synchronous generator built in Russia ; 8.1.12 HTS d.c. homopolar generator; 8.2 High speed HTS generators ; 8.2.1 First prototype of high speed superconducting generators; 8.2.2 Homopolar generators with stationary superconducting winding ; 8.2.3 Design of HTS rotors for synchronous generators; 8.3 Market readiness; 9 Naval electric machines; 9.1 Background ; 9.2 Power train of electric ships; 9.3 Propulsion units ; 9.3.1 Shaft propulsion ; 9.3.2 Azimuth thrusters ; 9.3.3 Pod propulsors; 9.3.4 Integrated motor-propeller; 9.4 Generators for naval applicati