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Lecturer(s)
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Havlíček Václav, prof. Ing. CSc.
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Course content
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1. AC circuits, phasor, symbolic-complex method, Fourier transform 2. The exercise of power. current, power factor, power measurement. 3. Phase circuits, power supply. Measurement of AC power. 4. Magnetic materials and magnetic circuits. DC solenoids. and AC. 5. Transformer, principle, theory, equivalent circuit, FD, design of instrument transformer 6. Transformer no-load and short-circuit, loss of load. Three-phase transformers and special. 7. Asy. motor, principle, construction, operating parametry.Teorie am., a replacement scheme 8.The torque char., STE. Starting and speed control Frequency am měnič..Jednofázový am 9. Synchronous machine, generator, motor, reluctance and stepper motors 10. DC machine, principle, theory, basic equations, equivalent circuit Cize excited, parallel and serial ss. engine torque characteristics and lowering 11. Acceleration and velocity control DC motors, traction motors. Single-phase commutator motor 12. Proposal by the drive application with variations as., Ss, Sync., Reluctance motor. 13. El. Installation and Low-voltage fuses, circuit breakers, protection, protection, protection., 14. Summarizing lecture and preparation for the exam.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Demonstration, Laboratory
- Class attendance
- 56 hours per semester
- Preparation for classes
- 40 hours per semester
- Preparation for exam
- 10 hours per semester
- Preparation for credit
- 5 hours per semester
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Learning outcomes
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The course provides basic knowledge of the theory of electrical machines and skills of their calculation, involvement and testing. Ability to choose the electric drive for an engineering application. Knowledge of electrical wiring and appliances nn enabling its framework proposal and safe work.
The students will acquire basic knowledge of the theory of electrical machines and circuits. They will be able to calculate electrical circuits, together with practical connection and testing. Gained knowledge will make them competitive to choose the electric drive in practice, under the basic safety rules.
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Prerequisites
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basic knowledge of mathematics and physics (focused on electricity and magnetism), basic matematics skills
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Assessment methods and criteria
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Combined exam
Understanding of the topic within the frame given by the plan. Assesment methods and criteria linked to learning outcomes: credit: attendance of seminars, min 75%, passing the test to min 75%. exam: passing the test min 75%, proof of knowledge at the oral exam min 75%.
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Recommended literature
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Chapman Stephen J., Electric Machinery Fundamentals, McGraw-Hill Publishing Company, 1985, ISBN 0-07-010662.
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Uhlíř I. a kol., Elektrické stroje a pohony, Vydavatelství ČVUT, 2002, ISBN 80-01-02482-2.
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