Course detail

Electrical drives

FEKT-CEPBAcad. year: 2011/2012

This new course link to courses of mechanic, theory of Electric machines and Power Electronics. Explain the principles and methods dimensioning of power parts structure of Electric drives. Electric drives play an important role as electromechanical energy converters in most production processes.Explain problems : Dynamics of a Mechanical Drive,
Integration of the simplified Equation of Motion, Thermal effects in Electrical machines,structures with Separately Excited and Series DC machines, Control of Converter-supplied this type,Induction Motor + frequency converter,Variable Frequency Synchronous Motor Drives and Some Applications of Controlled Drives.

Language of instruction

English

Number of ECTS credits

5

Mode of study

Not applicable.

Guarantor

Ing. Dalibor Červinka, Ph.D.

Department

Department of Power Electrical and Electronic Engineering (UVEE)

Learning outcomes of the course unit

The new information and crafts connect with contents electromechanical systems in this structure : control semiconductor power fed source + motors of different types +
driven technology devices - practical and theoretical parts.

Prerequisites

The subject knowledge on the secondary school education level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Course curriculum

1. Block diagram of electric drive
2. Summary of electric drives, control, regulation.
3. Mechanics of electric drive, equation of motion
4. The main types of electric machines, used in electric drives
5. DC machine, matematic model
6. Current, speed and position control loops
7. Stability of control loops
8. SO, OM, transient characteristics, regulator design
9. Mechanic charakteristic of mechanism and industrial machines
10. Loses in drive, dimensioning, equivalent methods
11. Drives with serial excitacion, deexcitacion, DC machine in electric traction
12. Drives with asynchronous machines, frequency inverters, softstarts.
13. Drives with synchronous machines, EC motor.

Work placements

Not applicable.

Aims

New conception and essential information of Electric Drives
/ theoretical and practice /.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Caha,Černý:Elektrické pohony,SNTL Praha 1990
D.Schroeder : Elektrische Antriebe,Springer 1994.
Elektronická skripta na siti FEKT :Elektricke pohony, Laboratorní cvičení Elektrických pohonů
J.Vogel :Elektrische Antriebe,Technik Verlag 1991
Murphy,Turnbull:Power Electronik ,Pergamon Press 1993

Recommended reading

W.Leonhard .: Control of Electrical Drives.Springer Verlag 1996,ISBN 3-540-59380-2.

Classification of course in study plans

  • Programme EECC Bc. Bachelor's

    branch BC-SEE , 3 year of study, winter semester, compulsory
    branch BC-AMT , 3 year of study, winter semester, elective specialised

Type of course unit

 

Lecture

26 hod., compulsory

Teacher / Lecturer

Ing. Dalibor Červinka, Ph.D.

Syllabus

Essential terms, some elementary principles of mechanics and electrotechnics,requirements and qualit.
Dynamics of a Mechanical Drive,Equations describing the motion,stead state characteristics,stable and unstable points.
Steady state characteristics of different motors and load.
Electromechanical transient,moving of drives-4Q plane.
Powerlosses,thermal effect,dimensioning,equvalent methods.
Drives with Separately excited DC motor/permanent magnet/.
Drives with Series excited DC motor + chopper source.
Control of Inductiom motor drives + frequency inverter.
Control drives with Synchronous motor.
Drives with special type of rotation and linear motors.
Some applications of Controlled drives,Electrical shaft.
Control loops of current,speed,position.
Control drives with special type of motors.

Laboratory exercise

26 hod., compulsory

Teacher / Lecturer

Ing. Dalibor Červinka, Ph.D.

Syllabus

Measuring of moment of inertia, parameters of block diagram.
Speed,acceleration,torque of electric drives.
Electromechanical transients.
AC drives with frequency Inverters.
DC drive fed Control source.
Linear Position Control.
Switched Reluctance Drives.
Electric Drives with Special type of Motor - Electronic.
- " - - 1 phasemotor
- " - - synchronnmot
- " - - commutator
- " - - reluctanc
- " - - piezomotor