| GENERAL INFORMATION: | Instructors: Karnavas Yannis Semester: 9th |
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| CREDITS: | ECTS Units: 3 Teaching Units: 3 Theory Hours: 2 Exercises Hours: 1 Lab Hours: 0 |
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| COURSE PAGE: | https://eclass.duth.gr/courses/TMA551/ | |
Course Description |
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| Concepts and considerations: Materials, Space Factor, Properties Selection, Heat Flow, Dimensioning, Quantities, International Specifications, Finite Elements. Transformers: Output equations, dimensioning, Operating design requirements for voltage regulation, no load current, temperature rise, tank, cooling. DC machines: Output Equations, Dimensioning, Carter Factor, Magnetic Flux Density, Number of poles. Design: Armature, Collector / Brush system, Performance study. Synchronous machines: Output Equations, Loading, Short circuit ratio, Poles shoes, Air-gap length. Design: Armature, Rotor, Excitation winding, Damping windings. Field MMF under load conditions, Performance study. Induction Motors: Output Equations, Dimensioning, Air-gap length, Selection of stator slots and poles number. Design: Armature, Rotor bars, End rings, wound rotor. Magnetic leakage, reactance, magnetization current, short circuit current, Performance study. Other motor categories: Requirements for permanent magnet motors, brushless motors, variable reluctance motors. Applications and performance studies with FEMM open source software. | ||
