Course detail

Control elements in electrical drives

FEKT-LREPAcad. year: 2010/2011

This course is focused onto support circuits and sensors used in industrial drives - especially current and voltage sensors, speed and position sensors. The problems of galvanic separation of control signals are solved (IGBT and MOSFET drivers). Also A/D converters and PWM modulators in digital control structures with microprocessors are solved.

Language of instruction

Czech

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

doc. Ing. Pavel Vorel, Ph.D.

Department

Department of Power Electrical and Electronic Engineering (UVEE)

Learning outcomes of the course unit

Students learn to work with some analogue and digital electronic parts and sensors and to apply them in electrical drives.

Prerequisites

The subject knowledge on the Bachelor´s degree 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

Final examination - 70points
Test - 15points
Laboratories - 15points

Course curriculum

Galvanically separated sensors of electric values (voltage, current), sensors of non-electric values (position, speed, acceleration, temperature, pressure,...). Analogue memories. Sampling of analogue signals in electrical drives. A/D converters. D/A converters. Phase-controlling of controlled rectifiers. Pulse-width modulators (PWM) for DC/DC converters and DC/AC converters controlling. Galvanic separation of control signal for a tyristor, triac and power switching transistor. Special circuity.

Work placements

Not applicable.

Aims

Students should learn the operation and the design of some typical analogue ang digital circuits used in the control electronics of electrical drives.

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

Mráz Z.: Řídicí členy elektrických pohonů (CS)

Recommended reading

Patočka M., Vorel P.: Řídicí elekronika - aktivní obvody (CS)
Patočka M., Vorel P.: Řídicí elektronika - pasivní obvody (CS)

Classification of course in study plans

  • Programme EEKR-ML Master's

    branch ML-SVE , 2 year of study, summer semester, elective specialised

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 1 year of study, summer semester, elective specialised

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

doc. Ing. Pavel Vorel, Ph.D.

Syllabus

Transistor circuits.
Linear and non-linear circuits with operational amplifiers.
Current and voltage sensors.
Position, speed, acceleration sensors, sensing of further non-electric values.
Analogue memories, sampling of analogue signals.
Combinatorial and sequential logical circuits.
A/D converters.
D/A converters.
Single-chip microcomputers and digital signal processors.
Phase-control of rectifiers and AC converters.
Pulse-width modulation.
Drivers of power switching elements.
Electronic protections.

Laboratory exercise

26 hod., optionally

Teacher / Lecturer

doc. Ing. Pavel Vorel, Ph.D.

Syllabus

Introduction.
Connections of opamps.
Filters and oscillators.
Comparators, PWM modulators.
Flip-flops
Combinatorial logical circuits.
Sequential logical circuits, counters, registers.
Current and voltage sensors.
Speed and position sensors.
D/A converter.
A/D converter.
Driver for a MOS-FET and IGBT transistor
Credit.