Course Unit Page
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Teacher Claudio Rossi
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Credits 3
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Teaching Mode Traditional lectures
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Language English
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Campus of Bologna
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Degree Programme First cycle degree programme (L) in Automation Engineering (cod. 9217)
Also valid for Second cycle degree programme (LM) in Electric Vehicle Engineering (cod. 5699)
Second cycle degree programme (LM) in Electrical Energy Engineering (cod. 9066)
First cycle degree programme (L) in Automation Engineering (cod. 9217) -
Course Timetable from Sep 21, 2021 to Dec 21, 2021
SDGs
This teaching activity contributes to the achievement of the Sustainable Development Goals of the UN 2030 Agenda.
Academic Year 2021/2022
Learning outcomes
•Knowledge of a method for modelling and sizing an electric drive based on a DC machine. •Knowledge of the main architectures of DC / DC converters for the control of DC machines. •Knowledge of switching strategies and of current control techniques for DC / DC converters •Knowledge of closed-loop speed control of a DC drive. •Learning of the design methodology and project validation of a complete DC drive.
Course contents
- Introduction to Matlab/Simulink modelling of power electronic componnets and circuits
- Basic modelling of a one quadrant DC/DC converter controlled by PWM
- Implementation of complete models of one, two and four quadrant DC/DC converter operating in open loop with PWM control
- Dual level and three level modulation strategies. PWM implementation and performance comparison
- Current control loop for DC/DC converter regulating current on a RL load. Hysteretic regulator
- Closed loop current control based on PI regulator. Tuning procedure of PI regulator using root locus analysis
- Modelling of the DC machine. Electrical and mechanical characteristics. Operation as motor and generator
- Coupling of the DC machine with typical mechanical loads+E16
- Torque control of a the DC drive taking into account current limitation
- Implementation of a speed regulator with closed loop control. Tuning of the speed PI regulator using root locus analysis.
- Detailed analysis of DC drive operation in transient and steady state operating conditions . Effects of non-ideal components and of saturation blocks introduced in the control systems.
- Design of the input stage filter of the conveter. Real components selection criteria for passive and active devices.
- Optimal tuning of the parameters of regulators. Performance analysis of the DC drives with the loads.
Readings/Bibliography
MAtlab/Simulink help pages
Suggested for deepening of the course subjects:
Simulation of Power Electronics Circuits using SIMULINK
by: Hadeed Ahmed Sher
Publisher: LAP LAMBERT Academic Publishing (January 22, 2014)
Language: English
ISBN-10: 3659500798
Teaching methods
Interactiive classes in computer room
Assessment methods
Presentation and discussion of a project report related to the design of a DC/DC drive. Data, constrain and expected performance given by the teacher.
Teaching tools
Computer room with desktops available.
Free chairs for using student own laptop.
Instalation on student laptop of free version of Matlab distributed directly from UNIBO website
Office hours
See the website of Claudio Rossi
Alumni