Course detail
Industrial Electronics
FSI-RNIAcad. year: 2021/2022
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 circuit realizations for control electronics of pulse converters. Square-wave signal generators. Drivers for power MOSFETs and IGBTs, phase lock loop.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Evaluation:
1st semester test: 10 points
2nd semester test: 20 points
Final accreditation test: 70 points
Course curriculum
1. Methods of current sensing - shunt resistor, measuring current transformer in various applications (with a previous expllanation of principle and important consequences of a voltage transformer).
2. Methods of current sensing - current sensor LEM, Rgowski coil.
3. Methods of voltage sensiing - resistive divider with a filter capacitor, differential amplifier, isolating amplifiers, voltage LEM sensor, modulation methods of a galvanically separated voltage sensisng.
4. Methods of DC/DC converter true output power sensing - using of a digital (or analog) multilpliicator, measuring the average value of the DC link current, "sampling" the output current with the duty cycle, applications using the control for a demanded power.
5. Typical circuit realizations in the control of pulse converters (various used typical circuits and ways of solution).
6. Square-wave generators (RC, crystal, with transistorts, operational amplifiers and comparators, with logical gates - various circuits).
7. Square-wave generators - second part (RC, crystal, with transistorts, operational amplifiers and comparators, with logical gates - various circuits).
8. Drivers for power MOSFET a IGBT transistors - principle, system requirements, saturation protection explanation, problems of parasitic capacitances, relation to the control circuits interference, power stages construction.
9. Driver with a common transfer of the driving signal and the driving energy via a pulse transformer - description, design steps, calculations, consequences, circuit modifications. Driver with an optocoupler - requirements, circuit example.
10. Driver with optical fibres - usage, example circuits, bootstrap capacitor circuitry - variants, usage limits, properties.
11. Galvanically separated DC supply for the secondary part of drivers - resonant converter, forward converter with a resonant demagnetisation, further possibilities.
12. Integrated drivers - examples, more complicated driving circuits (enabling a soft switching-off of more transistors operating in prallel) - circuit examples, analysis of the circuits.
13. Phase lock loop - principle, description, block diagram, detailed schematics, usage examples in electronics.
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Elearning
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
2. Current sensing in pulse converters - measuring current transformer
3. Current sensing in pulse converters - LEM sensor
4. Rogowski coil
5. Voltage sensing in pulse converters
6. Output power sensing in pulse converters - methods
7. Typical circuit realizations in control circuits of pulse converters
8. Astable flip-flops
9. Drivers for power MOSFETs and IGBTs - system requirements, ways of the galvanic separation.
10. Drivers for power MOSFETs and IGBTs - driver with the signal transfer together with the driving energy with a magnetic way.
11. Drivers for power MOSFETs and IGBTs - supplying the secondary side of the driver, bootstrap capacitor
12. Phase locked loop
13. Speed and position sensing
Computer-assisted exercise
Teacher / Lecturer
Syllabus
2. Current sensing in pulse converters - measuring current transformer
3. Current sensing in pulse converters - LEM sensor
4. Rogowski coil
5. Voltage sensing in pulse converters
6. Output power sensing in pulse converters - methods
7. Typical circuit realizations in control circuits of pulse converters
8. Astable flip-flops
9. Drivers for power MOSFETs and IGBTs - system requirements, ways of the galvanic separation.
10. Drivers for power MOSFETs and IGBTs - driver with the signal transfer together with the driving energy with a magnetic way.
11. Drivers for power MOSFETs and IGBTs - supplying the secondary side of the driver, bootstrap capacitor
12. Phase locked loop
13. Speed and position sensing
E-learning texts
Elearning