| GENERAL INFORMATION: | Instructors: Karnavas Yannis Semester: 7th |
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| CREDITS: | ECTS Units: 4 Teaching Units: 4 Theory Hours: 2 Exercises Hours: 1 Lab Hours: 2 |
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| COURSE PAGE: | https://eclass.duth.gr/courses/TMA451/ | |
Course Description |
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| Introduction: Types of electrical machines, Induced EMF, Torque, Hysteresis, Losses. Transformers: Assembly, Operation, Equivalent circuit, Losses, Tests, Voltage regulation, Efficiency. Auto-transformers, Three Phase transformers. Polarity. Parallel operation. Direct current electrical machines: Assembly, Windings, Excitation, Armature reactance, Poles, Commutation, Brushes. Generator: Equivalent circuit, Separate, parallel, series and compound excitation, Output characteristics, Voltage regulation, Parallel operation, Dynamic behavior. Motor: Equivalent circuit, Separate, parallel, series and compound excitation, Output characteristics, Starting methods, Speed control, Dynamic behavior. Losses and performance of direct current electrical machines. Other categories: Brushless permanent magnet motors, Stepper motors etc: Assembly, Operation, Applications. | ||
