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Lecturer(s)
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Skala Bohumil, Doc. Ing. Ph.D.
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Course content
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Lectures 1 Type test of induction machine 2 Methods and instruments 3 Non-electrical magnitudes measurement, sensors, transducers for temperature, pressure, airflow 4 Project, measurement preparation 5 Electric and magnetic magnitude measurement 6 Insulation measurement 7 Cooling of machines, load test, warm up test 8 Vibration, rotor balancing 9 Noise and vibration measuremen 10 Loading methods of electrical machines 11 Testing of AC rotary machines 12 Transformers and choke tests 13 Revision measurement, earth current Laboratory classes 1 safety rules, credit condition, Instruments errors calculation, 2 Measurement of hysteresis losses of rotor índuction machine 3 Connection of induction machines (reversing, run-up, star-delta switching, contactors 4 Loading of induction machine via dynamometer 5 Effeciency measurement by direct and undirect method 6 Voltage shape of synchronous generator 7 Power measurement in three wires network 8 Induction machine as self operated generator 9 Moment of inertia calculation 10 Moment of inertia measurement 11 Star delta switching with a delay 12 Induction machine description 13 Induction machine faults, credit
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Learning activities and teaching methods
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Laboratory work, Lecture
- Practical training (number of hours)
- 26 hours per semester
- Preparation for an examination (30-60)
- 40 hours per semester
- Contact hours
- 26 hours per semester
- Preparation for laboratory testing; outcome analysis (1-8)
- 20 hours per semester
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| prerequisite |
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| Knowledge |
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| describe the principles of electrical resistance, voltage and current measurement |
| explains the marking of electrotechnical quantities and their physical units |
| describes the principle of operation of transformers and rotating machines |
| Skills |
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| Draw up a equivalent circuit of transformers and rotating machines |
| Shows the phase diagram of the transformer and rotating machines |
| applies torque equations and machine characteristics |
| Competences |
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| N/A |
| learning outcomes |
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| Knowledge |
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| explain the principles of operation of special transformers and chokes |
| explains the principle of the activity of special rotary machines, machines with permanent magnets and reluctance machines |
| Applies the relationships needed to calculate the solution |
| suggests the machines connection of load test machines |
| Skills |
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| apply the knowledge of the measurement in DC current circuits and perform the analysis of the electrical drive, summarize the requirements posed on it |
| sketch out the scheme of a given existing connection of an electrical machine and perform the analysis of the electrical drive, summarizing the requirements placed upon it |
| Performs a warming test of the transformer and the asynchronous motor |
| Competences |
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| N/A |
| teaching methods |
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| Knowledge |
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| Lecture |
| Skills |
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| Laboratory work |
| Practicum |
| Competences |
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| Students' portfolio |
| assessment methods |
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| Knowledge |
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| Combined exam |
| Skills |
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| Skills demonstration during practicum |
| Competences |
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| Individual presentation at a seminar |
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Recommended literature
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BARTOŠ, V. Elektrické stroje. skripta ZČU v Plzni, 2000.
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Bartoš, Václav; Skala, Bohumil. Měření na elektrických strojích. 1. vyd. Plzeň : Západočeská univerzita, 2002. ISBN 80-7082-896-X.
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Hrabovcová, Valéria. Moderné elektrické stroje. 1. vyd. Žilina : Žilinská univerzita, 2001. ISBN 80-7100-809-5.
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Juha Pyrhönen, Tapani Jokinen, Valéria Hrabovcová. Design of rotating electrical machines. Chichester, 2014. ISBN 978-1-118-58157-5.
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Skala, Bohumil. Měření a zkoušení elektrických zařízení : využití počítače pro řízení experimentů a sběr dat. Vydání: 2., upravené. 2015. ISBN 978-80-261-0546-6.
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