Course detail

Industrial Electronics

FSI-RNIAcad. year: 2017/2018

Linear and non-linear circuits with operational amplifiers (amplifiers, filters, rectifiers, signal generators, comparators, more complicated circuits - all with respect to control circuits for pulse converters). Methods of current and voltage sensing. True power sensing in DC/DC converters. Typical cicuit realizations for control electronics of pulse converters. Rectangle signal generators. Drivers for power MOSFETs and IGBTs.

Learning outcomes of the course unit

Students learn how to design electronic circuits used typically in the industry.

Prerequisites

Basic knowledge in theoretical electrical engineering and mathematics (derivation, integration, complex numbers operations).

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

Vorel P.: Řídicí členy v elektrických pohonech

Planned learning activities and teaching methods

The course is taught through lectures explaining the basic principles and theory of the discipline. Exercises are focused on practical topics presented in lectures.

Assesment methods and criteria linked to learning outcomes

Course-unit credit requirements: Participation in laboratory exercises

Evaluation:
Semester test: 10point
Laboratory excercise: 25point
Final test: 65point

Language of instruction

Czech

Work placements

Not applicable.

Course curriculum

1 CURRENT SENSORS
1.1 SHUNT APPLICATIONS
1.2 PULSE CURRENT TRANSFORMER
1.3 ROGOWSKI COIL
1.4 CURRENT SENSOR "LEM"

2 VOLTAGE SENSORS
2.1 RESISTIVE DIVIDER WITH FILTER CAPACITOR
2.2 DIFFERENTIAL AMPLIFIER
2.3 VOLTAGE SENSOR "LEM"

3 OUTPUT POWER SENSING IN DC/DC CONVERTERS
3.1 USAGE EXAMPLES OF CONVERTER OUTPUT POWER CONTROL
3.2 OUTPUT VOLTAGE AND CURRENT MULTIPLICATION
3.3 USAGE OF AVERAGE VALUE OF DC LINK CURRENT
3.4 "SAMPLING" OF THE OUTPUT CURRENT WITH THE DUTY

4 TYPICAL CIRCUIT REALIZATIONS IN CONTROL ELECTRONICS
4.1 ELLIMINATION OF THE INFLUENCE OF ADJUSTABLE RESISTIVE DIVIDER OUTPUT RESISTANCE
4.2 CONTROLLED LIMITER
4.3 UNCONTROLLED LIMITER
4.4 INVERTING AMPLIFIER WITH A SWITCHED GAIN VALUE
4.5 VOLTAGE REFERENCE WITH TL431
4.6 FAST OVER-CURRENT PROTECTION
4.7 FAST UNDER-VOLTAGE PROTECTION (SUPPLY UNDER-VOLTAGE FOR CONTROL CIRCUITS)
4.8 JOINT OUTPUTS OF PROTECTIONS
4.9 DEADTIME REALIZATION
4.10 SOME OTHER APPLICATIONS

5 RECTANGLE SIGNAL GENERATORS
5.1 ASTABLE FLIP-FLOPS WITH CRYSTALS
5.2 RC ASTABLE FLIP-FLOPS - VARIOUS CIRCUITS
5.3 RELAXATION OSCILLATORS

6 DRIVERS FOR POWER MOSFETs AND IGBTs
6.1 SYSTEM SOLUTION OF THE DRIVING CIRCUIT
6.2 COMMON TRANSFER OF SIGNAL AND DRIVING ENERGY WITH A MAGNETIC WAY
6.3 INFORMATION TRANSFER WITH AN OPTICAL WAY
6.4 GALVANICALLY SEPARATED SOURCE OF THE SECONDARY SUPPLY VOLTAGE
6.5 "CHARGE PUMP" AS A REPLACEMENT FOR THE GALVANICALLY SEPARATED SUPPLY SOURCE
6.6 PROFESSIONAL DRIVERS SEMIKRON AND CONCEPT

Aims

Students will obtain a knowledge about typical electronic circuits in industrial applications especially in control electronics, electrical drivers, measurement and power electronics.

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

Attendance at practical training is obligatory.

Classification of course in study plans

  • Programme B3A-P Bachelor's

    branch B-MET , 3. year of study, summer semester, 5 credits, compulsory

Type of course unit

 

Lecture

26 hours, optionally

Teacher / Lecturer

Syllabus

1. Linear models of a bipolar transistor, amplification stages
2. Important connections with bipolar and unipolar transistors in a LF-range
3. Harmonic oscillators
4. DC voltage and current regulators
5. Transformer - a theoretical and practical analysis
6. Coils, chokes - a theoretical and practical analysis
7. Line rectifiers, DC supply sources with line transformers
8. Operational amplifier - principles, properties, basic connections
9. More sophisticated circuits with operational amplifiers
10. Speed, position, presure and temperature sensors
11. Current and voltage sensors, simple measurement of capacities, inductivities and resistances
12. Drivers for power transistors with a pulse transformer and with an optocoupler
13. Pulse-width-modulation, principles of DC/DC converters with a voltage intercircuit

seminars in computer labs

26 hours, compulsory

Teacher / Lecturer

Syllabus

1. Transistor amplification stages
2. Crystal oscillators
3. Bipolar transistor and MOSFET in a switching regime
4. DC supplying source
5. Operational amplifiers connections
6. Induction speed sensor
7. Driving circuits for a power transistor MOSFET and IGBT - 1st part
8. Driving circuits for a power transistor MOSFET and IGBT - 2nd part
9. Comparators, PWM modulators
10. Step-down converter without transformer
11. Step-up converter without transformer
12. Backup power source 24V=/230V~, 600VA
13. DC electrical drive with a speed compensation

E-learning texts

otázky ke zkoušce RNI (cs)