| GENERAL INFORMATION: | Instructors: Karnavas Yannis Semester: 8th |
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| CREDITS: | ECTS Units: 5 Teaching Units: 4 Theory Hours: 2 Exercises Hours: 1 Lab Hours: 2 |
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| COURSE PAGE: | https://eclass.duth.gr/courses/TMA452/ | |
Course Description |
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| Windings: Types, Insulation, Specifications. Synchronous Machines: Assembly, Rotor types. Generator: EMF equations, Synchronous reactance, Voltage regulation, Parallel operation, Influence of excitation and input torque variations, reactance in d-q reference frame, Operating characteristics, Loading, Dynamic behavior. Motor: Torque equations,- Operating modes, Load and excitation variation, Power flow, Starting methods, Dynamic behavior. Induction Motors: Assembly and manufacturing issues, Rotor types, Operating characteristics, Slip. Three Phase motors: Equivalent Circuit, Torque-Speed characteristics, Maximum torque point, Losses and efficiency, Tests, Double cage rotor, Startup – Speed regulation, Effects of voltage, load, slip and pole variations. Induction Generator, Dynamic behavior. Single Phase motors: Assembly, Starting considerations, winding based categories, Operation, Equivalent Circuit, Tests, Performance and efficiency. Other motor categories: Switched and Synchronous reluctance motors, Hysteresis motors, Linear motors, Universal motors, Applications. | ||
