Energy Systems Catalogue

Please note that not all courses listed in this catalogue and/or on ACORN/ROSI will be offered each year.

 

ECE514H  Power Electronics: Converter Topologies
Professor A. Prodic
The course focuses on power electronics converters utilized in applications ranging from low-power mobile devices to high-power utility systems.  Basic principles of efficient electrical energy processing through switch-mode energy conversion and main converter groups (ac-dc, dc-dc, dc-ac and ac-ac) will be presented and analyzed.  Hard switching, resonant and quasi-resonant topologies will be covered.  The topics include:  converter components, loss mechanisms and converter efficiency, time-domain analysis (volt-second and capacitor charge balance) and converter modeling, frequency domain and state-plane analysis of converters operating in steady state.

ECE533H Power Electronics
Professor O. Trescases

The course covers the design and analysis of switched-mode power supplies (SMPS) used in virtually all electronic equipment, including low-power mobile applications, computers, medical devices, consumer electronics, motor drives, renewable energy, electric vehicles, and power systems. Topics to be covered include: SMPS isolated and non-isolated topologies, analysis of the steady-state characteristics, components, modeling and control of non-ideal SMPS, practical control loop simulation and implementation, dc-dc converter datasheets, thermal and magnetic circuits, power transistors. Prerequisites: ECE315H1 or ECE359H1 (these prerequisites are only for undergraduate students). Graduate students should approach the instructor for approval if they lack an introductory power electronics course.

 

Power Networks

ECE1030H Space Vector Theory and Control
Professor P.W. Lehn
The course presents the general theory of dynamic modelling and control of the voltage source converter using space vectors. Applications include: active filters, FACTS (flexible AC Transmission Systems) controllers, VSC based HVDC systems, motor drives and most grid connected storage systems and renewable energy sources. Co-ordinate transforms necessary for the analysis of these devices are presented: space vectors, synchronous reference frame quantities, complex Fourier components and their relations. Converter controls are developed using both continuous time and discrete time space vector control concepts. In addition, state space modelling methods are employed for the study of interactions between a dc/ac converter and the network. The course typically includes an extensive laboratory component.
Prerequisite:  ECE533H1 or equivalent
Please note: enrolment limited to 15 students

EECE1049H Special Topics in Energy Systems: Power System Protection
Professor A. Hooshyar
This course reviews the fundamentals of short-circuit fault analysis for the power grid and discusses the expected features of a reliable protection system. The measurement devices used in protection systems are introduced, and their non-ideal features are discussed. This course introduces different types of overcurrent relays, their operating principles, coordination methods, and potential applications. Various methods for directional protection of the systems with bi-directional fault currents and the respective coordination strategies are explained. The course discusses the basic principles and coordination methods of distance protection for transmission lines. Different types of pilot protection schemes based on distance and directional relays are introduced. The course presents a detailed discussion on the operating principles of differential relaying for lines, transformers, motors, generators, and buses. Throughout the course, computer simulations of power systems are used to analyze protection functions.
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ECE 1055H Dynamics of HVdc/ac Transmission Systems
Professor M.R. Iravani

General aspects of high voltage ac/dc systems, principles of HVdc systems, HVdc control, harmonics and filters. Small-signal dynamics of HVdc/ac systems and eigen analysis, subsynchronous oscillations, interarea oscillations, harmonic instability. Large-signal dynamics in HVdc/ac systems. Introduction to the EMTP and the EMTDC software packages for the analysis and design of HVdc/ac systems. Introduction to multi-terminal HVdc systems. A basic background in power system analysis is strongly recommended.
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EECE1059H Special Topics in Energy Systems: Fundamentals of Power-Flow and Modeling of Electric Power
Professor M.R. Iravani

This course is intended to provide fundamental concepts in (i) power -flow and (ii) dynamic models of main power apparatus to form the basis for the analysis, control, and operation of electric power systems.
This course covers the basic concepts of power flow during steady-state and dynamic regimes of transmission and distribution power system with specific emphasis on unbalance scenarios and the use of symmetrical components. The course also covers fundamental concepts of electric machines and develops of the steady-state and dynamic models of machines for power system analysis. The course also covers main controls such as excitation and governor systems.
Finally the course provides basic concepts of AC-DC power electronic conversion and the corresponding modeling approach and the basic controls.
The course material is based on chapters/sections from different text-books. The course evaluation is based on one midterm test and the final examination.
The prerequisite materials for this course include:
-ECE413H1 or equivalent,
-basic undergraduate-level concepts in power electronics,
-basic undergraduate-level concepts in systems control.
Please note that this course is open to ECE M.Eng. students only.
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ECE1085H Power System Optimization
Professor Z. Tate
Explore techniques for the optimization of power system operations, including the following topics: state estimation, power system security, economic dispatch, power markets, and unit commitment.
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ECE1092H  Smart Grid Case Studies
Professor W.A. Chisholm
The course presents case studies of old and new Smart Grid applications in overhead electric power networks.  Each case study has components that include a history of the technology, a simplified treatment of the specific threat or opportunity, and the implementation issues in communications and sensor installation and maintenance.  The treatment makes use of relevant industrial standards including IEEE and IEC.
Please note that this course is open to ECE M.Eng. students only.
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ECE1093H Electrical Insulation Design and Coordination
Professor W.A. Chisholm
The course organizes the voltage stresses that appear in high voltage systems in terms of amplitude, duration and occurrence. Suitable models for electrical breakdown and withstand are developed, with specific emphasis on outdoor insulation in adverse weather conditions.  The functions of surge protective devices, grounding and other overvoltage control measures will be discussed.  The treatment makes use of empirical models typical of relevant IEEE and IEC industrial standards.
Please note that this course is open to ECE M.Eng. students only.
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ECE1094H Mathematical Methods in Power Systems
Professor J. Taylor
This course covers modern developments in power systems from a mathematical perspective. The content includes: convex relaxations of optimal power flow; renewable variability and aggregation; duality, pricing and transmission rights; game theoretic modeling of market abuse; optimal control of energy storage; scheduling techniques for demand response. Prerequisite: ECE1505H or equivalent.

ECE1095H Grounding and Bonding
Professor W.A. Chisholm
The course introduces the objectives, components and principles of grounding systems. Empirical models for risk of electrocution and perception are identified, using relevant IEEE and IEC industrial standards. Methods for characterizing soil resistivity are demonstrated and then related to electrical characteristics of typical service entrance, line and station ground grid electrodes. Much of the course focus is on 60-Hz analysis but the scope will include considerations for dc and lightning impulse performance, including testing of transfer impedance from lightning protection systems to victim circuits and components.
Recommended Prerequisites: ECE359H1, ECE413H1
Please note that this course is open to ECE M.Eng. students only.

 

Solid State Power Conversion 

ECE1066H Design of High-Frequency Switch-Mode Power Supplies I (Advanced Control Techniques)
Professor A. Prodic
Design, analysis, and practical implementation of advanced controllers for high-frequency switch-mode power supplies (SMPS) are covered. The topics include: continuous and discrete time modeling of switching converters; current-program mode control, power factor correction rectifiers; practical implementation of analog and digital controllers. The course also has a laboratory portion, where a high-frequency switching converter and its controller are designed and fabricated.
Students who have previously taken ECE533H1 must first check with the instructor before taking this course.
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ECE1068H Introduction to Electromagnetic Compatibility (EMC)
Professor F.P. Dawson
This course provides a fundamental understanding of the means by which electromagnetic interference arises. Techniques to reduce, overcome, or to protect sensitive electronic equipment from electromagnetic interference are covered. Course content: source of noise, modes of noise coupling, preventative measures, transmitters and receivers, grounding, surge protection. The course concludes with a case study. This course requires a basic background in circuit theory, fields and waves, and some knowledge in power electronics.
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ECE1084H Design of Advanced High-Efficiency Switched Mode Power Supplies
Professsor O. Trescases
This course is focused on the design and implementation of high-efficiency switched mode power supplies (SMPS). The primary emphasis is on converter efficiency optimization and related control techniques, from the system down to the transistor level. A significant portion of the course is dedicated to integrated (on-chip) SMPS, including high-frequency power-stage design, loss calculations, inductor selection, light-load optimization techniques (PFM/pulse skip), adaptive dead-time control, active gate-charge management, EMI issues, frequency scaling, layout issues, low-voltage power semiconductors, segmented power-stages, self-protection circuits, sensing techniques, system-level issues, and practical SMPS applications.
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ECE1086H Power Management for Photovoltaic Systems
Professor O. Trescases
This course provides a comprehensive overview of grid-connected and off-grid Photovoltaic (PV) technology with an emphasis on power electronics. The course is intended to accommodate students from a range of backgrounds with an interest in renewable energy. Course topics include: I. Core PV technology (types of PV cells, concentrating/multi-junction PV, I/V characteristics, electrical models, basic semiconductor principles). II. PV System Overview (Economics and trends, PV forecasting, shading effects). III. Power Electronic Converters for PV Systems (micro-inverters, micro-converters, multi-port dc-dc converters, maximum power point tracking techniques, efficiency optimization, digital control techniques, practical issues, semiconductor devices). Students may choose either a theoretical/simulation based final project or an experimental project. Students also have the opportunity to use the PV experimental platform on the roof of the Galbraith building.
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