410-4121/01 – Electrical Machines III (ES III)

Gurantor departmentDepartment of Electrical Power EngineeringCredits6
Subject guarantorIng. Petr Bernat, Ph.D.Subject version guarantorIng. Petr Bernat, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year1Semestersummer
Study languageCzech
Year of introduction2014/2015Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
BER30 Ing. Petr Bernat, Ph.D.
KAC37 Ing. Petr Kačor, Ph.D.
KOU254 Ing. Martin Koutný
MIS01 prof. Ing. Stanislav Mišák, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Combined Credit and Examination 14+7

Subject aims expressed by acquired skills and competences

The course objetives is to obtain knowledge necessary for intermediate level workers employed in operation, maintenance of electrical machines and in design of simple electrical drives.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Other activities

Summary

Ambient parameters and stress during operation of electrical machines, operating modes, failure states and their analysis, speed control of motors. Diagnostic and reliability of electrical machines.

Compulsory literature:

Hindmarsh, J.: Electrical machines and their applications Pergamon Press,Oxford,1970

Recommended literature:

Hindmarsh, J.: Electrical machines and their applications Pergamon Press,Oxford,1970 Pyrhönen,J., Jokinen,T. Hrabovcová,V.: Design of rotating electrical machines, John Wiley & sons, Ltd. 2008

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

There are no other requirements on the student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Parameters and definition of various operation ambient. Degradation processes in electric machines and influence upon functional properties. Operation and failure states of transformers.(Short circuit and connection to network). Properties of asynchronous motor fed by no sinusoidal voltage. Properties of asynchronous motor fed from frequency converter. Starting up and braking of asynchronous motors. Kinds, methods and properties. Starting-up of synchronous motors. Synchronous machines short circuit. DC machines operation. Slide contact function. Properties of DC machines by feeding of wavy current. Technical diagnostic. Sorts and manners of diagnostic. Reliability and diagnostic of transformers, measurement and oil diagnostic. Reliability of rotating electric machines. Diagnostic of electric machines. Measurable quantities for electric machines single parts. Exercises: Ambient analysis and its action. Voltage drop calculation by transformers operation. Voltage drop calculation by starting-up of motors. Motor power output calculation by various sorts of load. Motor design for crane drives. Laboratories: Introducing to laboratory. Safety working. Conditions of study. Measuring of Transformer switching, three-phase transformer asymmetry. Circle diagram of asynchronous motor. Measurement of asynchronous motor. Measurement of characteristics of synchronous machines, time constants. Short circuit measurement of synchronous generators. Diagnostic of electrical machines. Credit. Projects: Project consists of elaboration of protocols from laboratory exercises, with values, diagrams and evaluation of results and terminal work by students of combined study.

Conditions for subject completion

Full-time form (validity from: 2014/2015 Winter semester, validity until: 2018/2019 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 45  20
        Examination Examination 55  6
Mandatory attendence parzicipation: Full Participation on laboratory excercises (participation in laboratory exercises is contingent graduation skill about safeness work in laboratory, that is of conducted by at first semesters week. All protocols of laboratory works. Successful credit examination paper.

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory type A study plan
2019/2020 (N0713A060003) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory type A study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner