Control of Power Converters
Static and dynamic power converter model development. Analisys and synthesis of power converter control systems.
- define power converter control system structure
- explain static and dynamic power converter models development procedure
- explain voltage and current mode control of power converters
- analyze averaging and linearization of power switch and power converter
- analyze power converters state-space models
- apply power converter averaged and state-space models in feedback control system analisys.
- summarize the acquired knowledge in the work with power converter laboratoy model
Forms of Teaching
Lectures are organized through 2 teaching cycles. The first cycle consists of 7 weeks of classes and mid-term exam, a second cycle of 6 weeks of classes and final exam. Classes are conducted through a total of 15 weeks with a weekly load of 3 hours. Part of teaching is carried out interactively in the lab.Exams
Examination consists of homeworks, mid-term exam and final exam.
|Type||Threshold||Percent of Grade||Threshold||Percent of Grade|
|Homeworks||0 %||30 %||0 %||0 %|
|Mid Term Exam: Written||0 %||30 %||0 %|
|Final Exam: Written||0 %||40 %|
|Exam: Written||0 %||80 %|
|Exam: Oral||20 %|
Week by Week Schedule
- Structure of power converter control system.
- Static models of power converters. Overview of static models of rectifiers, inverters, DCDC converters and ACAC converters.
- Modeling and simulation of power converters using characteristic operating intervals in transient and stationary state
- Development of dynamic model using circuit avaraging method. Variable averaging. Passive components averaging. Averaged model of DC motor drive and up/down DCDC converter in discontinuous operating mode.
- Averaged switching function and power switch. Generation of switching function. Averaged power converter general switching element. Example of up/down DCDC converter averaged circuit in continuous operation mode.
- Linearization of averaged power switch. Linearization of averaged models. Example of transfer function of linearized averaged up/down DCDC converter model in continuous operation mode.
- Application of power converter averaged models in feedback and feedforward control system analisys. Application example. Application limits of linear and nonlinear averaged models.
- Midterm exam
- State-space models: continuous-time and discrete-time. Features of state-space models. Example of state-space averaging for DCDC converter.
- State-space model averaging. Generalized state-space models.
- Power converters with voltage mode control. Power converters with current mode control.
- Using modern software for analysis and synthesis of power converters control systems.
- Case study: control of DCDC power converter
- Case study: control of power converter system for renewable energy sources.
- Final exam