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Course info
KEV / EST2
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Course description
Department/Unit / Abbreviation
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KEV
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EST2
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Academic Year
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2023/2024
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Academic Year
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2023/2024
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Title
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Electrical machines 2
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Form of course completion
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Exam
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Form of course completion
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Exam
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Accredited / Credits
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Yes,
4
Cred.
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Type of completion
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Combined
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Type of completion
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Combined
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Time requirements
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Lecture
2
[Hours/Week]
Tutorial
2
[Hours/Week]
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Course credit prior to examination
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Yes
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Course credit prior to examination
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Yes
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Included in study average
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YES
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Language of instruction
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Czech, English
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Occ/max
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Automatic acceptance of credit before examination
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Yes in the case of a previous evaluation 4 nebo nic.
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Summer semester
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0 / -
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0 / -
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0 / -
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Included in study average
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YES
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Winter semester
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45 / -
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0 / -
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0 / -
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Repeated registration
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NO
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Repeated registration
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NO
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Timetable
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Yes
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Semester taught
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Winter semester
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Semester taught
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Winter semester
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Minimum (B + C) students
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10
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Optional course |
Yes
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Optional course
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Yes
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Language of instruction
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Czech, English
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Internship duration
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0
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No. of hours of on-premise lessons |
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Evaluation scale |
1|2|3|4 |
Periodicity |
každý rok
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Evaluation scale for credit before examination |
S|N |
Periodicita upřesnění |
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Fundamental theoretical course |
Yes
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Fundamental course |
Yes
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Fundamental theoretical course |
Yes
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Evaluation scale |
1|2|3|4 |
Evaluation scale for credit before examination |
S|N |
Substituted course
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None
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Preclusive courses
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N/A
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Prerequisite courses
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N/A
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Informally recommended courses
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N/A
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Courses depending on this Course
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KEV/SNAVS, KEV/SNVSE
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Histogram of students' grades over the years:
Graphic PNG
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XLS
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Course objectives:
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To equip the students with the additional knowledge of mathematical relations, with the continuing of course Electrical machines. To give the information for the understanding of principle of operation special transformers and chokes. To give the information for the understanding of principle of operation machines with permanent magnets and reluctance machines. To make the students acquainted with basics practical examples is the content of the laboratory classes.
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Requirements on student
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Acquiring the credit: Presence at all the classes, submitting correctly processed reports. To apply the knowledges, design the machine connection, realize the connection, put given connection into operation under laboratory conditions
Examination: written and oral form. To prove the knowledges of the topics presented. To be able to apply the mathematical relations to concrete examples. To analyze a specific connection of the electrical circuit and take a decision about its applicability for a given purpose.
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Content
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Lectures
1
Induction machine - Star-delta switching, transient phenomena during switching, re-connection of machine to network
2
Wound rotor induction machine, booster
3
Induction machine as a generator - self operated and working on network, risk of operation
4
Synchronous machine - excitation systems
5
Synchronous machine -short circuit
6
Synchronous machine -short circuit current and torque, dynamic behaviour
7
Synchronous machine with permanent magnets (PM)
8
Synchronous reluktance machine, Synchronous reluktance machine with PM, BLDC machines
9
Transformers - three winding, magnetizing current, equivalent circuit
10
Autotransformer
11
K-rated transformer
12
Phase shift transformer
13
Choke design, air-cored choke
Laboratory classes
1
Induction motor - star - delta switching, transient phenomena
2
Induction machine - re-switching on network
3
Booster and its connection, voltage regulation and phase shift
4
Sudden short circuit of synchronous machine - symmetrical. Current and torque
5
Sudden short circuit of synchronous machine - unsymmetrical. Current and torque
6
Run-up of synchronous machine - back to back
7
V- curve of synchronous machine with PM
8
Parallel operation of transformers
9
Determination of parameters of equivalent circuit of three winding transformer
10
Autotransformer, calculation and measurement
11
K- rated transformer, K-factor determination, dereted factor calculation
12
Calculation and choke design
13
Credit
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Activities
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Fields of study
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Studentům je k dispozici elektronická verze skript, otázky s řešením pro kontrolu pochopení problematiky a další elektronické opory na COURSEWARE.
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Guarantors and lecturers
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Guarantors:
Doc. Ing. Bohumil Skala, Ph.D. ,
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Lecturer:
Ing. Martin Janda, Ph.D. (30%),
Doc. Ing. Bohumil Skala, Ph.D. (70%),
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Tutorial lecturer:
Doc. Ing. Vladimír Kindl, Ph.D. (30%),
Ing. Jan Laksar, Ph.D. (100%),
Doc. Ing. Bohumil Skala, Ph.D. (70%),
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Literature
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Extending:
Juha Pyrhönen, Tapani Jokinen, Valéria Hrabovcová. Design of rotating electrical machines. Chichester, 2014. ISBN 978-1-118-58157-5.
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Extending:
Hrabovcová, Valéria. Moderné elektrické stroje. 1. vyd. Žilina : Žilinská univerzita, 2001. ISBN 80-7100-809-5.
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Recommended:
BARTOŠ, V. Elektrické stroje. skripta ZČU v Plzni, 2000.
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Recommended:
Bartoš, Václav; Skala, Bohumil. Měření na elektrických strojích. 1. vyd. Plzeň : Západočeská univerzita, 2002. ISBN 80-7082-896-X.
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On-line library catalogues
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Time requirements
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Full-time form of study
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Activities
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Time requirements for activity [h]
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Preparation for an examination (30-60)
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50
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Preparation for laboratory testing; outcome analysis (1-8)
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8
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Contact hours
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52
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Total
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110
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
describe the principles of electrical resistance, voltage and current measurement |
explain the marking of electrotechnical quantities and their physical units |
describe the principle of operation of transformers and rotating machines |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
draw up a equivalent circuit of transformers and rotating machines |
show the phase diagram of the transformer and rotating machines |
apply torque equations and machine characteristics |
Competences - students are expected to possess the following competences before the course commences to finish it successfully: |
N/A |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
explain the principles of operation of special transformers and chokes |
explain the principle of the activity of special rotary machines, machines with permanent magnets and reluctance machines |
justify the behavior of the synchronous machine in a sudden short circuit |
Skills - skills resulting from the course: |
measure 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 |
calculate the design of the choke and the transformer |
apply the relationships needed to calculate the solution |
Competences - competences resulting from the course: |
N/A |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Combined exam |
Skills - skills achieved by taking this course are verified by the following means: |
Skills demonstration during practicum |
Competences - competence achieved by taking this course are verified by the following means: |
Individual presentation at a seminar |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Lecture |
Skills - the following training methods are used to achieve the required skills: |
Laboratory work |
Practicum |
Competences - the following training methods are used to achieve the required competences: |
Students' portfolio |
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