Energy Systems Course Catalogue
Updated for 2012-13
ECE510H Introduction to Lighting Systems
Professor F.P. Dawson
An introduction to the physics of lighting systems (e.g. plasma physics, radiation spectrum, physics of light-emitting diodes) and the corresponding power electronic driver circuits (ballasts). The operating principles and the science behind different types of lamps are covered. These include incandescent, fluorescent, low and high pressure sodium, mercury, metal halide lamps and LED lighting systems. The designs and technical challenges of the electronic ballasts for each type of lighting source are discussed. Emphasis is given to issues related to lighting regulations, layout, delivery, efficiency and control. In addition, the economic and environmental assessment of current lighting systems is also addressed.
ECE 533H 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: ECE 315 or ECE 359 (these prerequisites are only for undergraduate students). Graduate students should approach the instructor for approval if they lack an introductory power electronics course.
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: ECE533 or equivalent
Please note: enrolment limited to 15 students
ECE 1041H Numerical Solution of Field Problems
Introduction to the general method of moments. Numerical solution of the electrostatic capacitance problem and the wire antenna problem by Harrington’s moment method. Finite element and finite difference solution of Laplace’s, Poisson’s and Helmholtz’s equations. Application to bounded electrostatic, magnetostatic and homogeneous waveguide and cavity problems. Eddy current and skin effect problems; finite element solution of the diffusion equation in one and two dimensions. Relationship between field and circuit quantities. This course requires a basic background in computer programming.
ECE 1042H High-Voltage Engineering
An introductory course on high voltage engineering principles and techniques. Computational methods related to quasi-stationary electric fields in complex geometries. Generation and measurement of basic voltage forms employed in high voltage engineering, and their relevance to high voltage design. This course requires a basic background in fields and waves and circuit theory.
ECE 1049F Special Topics in Power Devices and Systems
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.
ECE1057H Static Power Converters I—Principles of Operation and Applications
Professor M.R. Iravani
Principles of operation of AC-DC, DC-AC and direct AC-AC power converters, applications of static converters for power transmission: (i) point-to-point and back-to-back HVDC, (ii) wind power conversion system, and (iii) micro-turbine system, applications of static converters for compensation: (i) series compensation, (ii) shunt compensation, (iii) and hybrid compensation. Distributed generation/storage and micro-grid, impact of static converters on transient stability.
ECE1058H Static Power Converters II—Dynamics and Control
Professor M.R. Iravani
Small-Signal models of AC-DC, DC-AC and AC-AC converter systems, HVDC controls, controls of wind power conversion system, controls of micro-turbine system, controls of series-compensator, controls of shunt-compensator, controls of hybrid-compensator, controls of distributed generation/storage and dynamics of micro-grid, islanding detection and issues, small-signal modeling and analysis of large electric power systems.
ECE 1059F Special Topics in Energy Systems: TBA
Solid State Power Conversion
ECE 1063H Application of Power Devices
Professor F.P. Dawson, Professor W.T. Ng
Safe operating requirements for GTO’s, SCR’s BIPOLAR, MOSFET, IGBT, cascode switches power diodes, high voltage tubes and surge arrestors. Base drive circuits for power devices. Protection of power devices. Illustrative design process for the selection and protection of power devices. This course requires a basic background in circuit theory and electronic circuits.
ECE 1065H Custom Power Controllers
ECE 1066H 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.
ECE 1067H Switch-Mode Power Supplies (SMPS)
Professor A. Prodic
This course covers the design and analysis of switch-mode power supplies used in virtually all electronic devices, including small mobile applications, computers, medical devices, consumer electronics, motor drives, electric vehicles, and power systems. Topics to be covered include: switch-mode power supplies topologies; analysis of the steady-state operation; components; modeling and control of switch-mode power supplies; practical control loop implementation.
ECE 1068H 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.
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.
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.
Electromechanical Energy Conversion
ECE 1072H AC Drive System Dynamics
Analysis of dynamics of ac drive systems supplied by variable voltage and frequency converters: machine and converter modeling for ac drives, field oriented ac machine controls, observers for stator flux and rotor flux, closed loop torque control. Synthesis of closed loop control systems for torque, current and position applying linear and nonlinear control theory, and dynamic models of ac machines. The course includes assignments to study drive systems by computer simulation (Personal Computers) using the drive simulation package ISIPC developed at the University of Toronto, or other packages familiar to the students. It is recommended that students take ECE 533H. This course requires a basic background in controls and electric machines.
ECE 1081H Application of the Finite Element Method to Field Problems
The objective is to provide students having a basic knowledge of electromagnetic field theory and numerical analysis with hands-on experience in applying the finite element method to solve field problems. The subject material will be selected from the following: (1) Introduction to the finite element method; application to linear, two-dimensional boundary value problems in electrostatics and magnetostatics. (2) Finite element solution of the nonlinear magnetostatic problem. (3) Vector finite element formulations; eigenvalue problems; spurious solutions; edge elements. (4) Finite element solution of eddy current and skin effect problems; the integrodifferential formulation. (5) Finite element formulation of coupled problems. (6) Maxwell stress tensor and electromagnetic forces. (7) Review of recent developments in finite element methods for 2D and 3D electromagnetic field problems.
ECE 1082H Mathematics for Advanced Electromagnetics
The understanding of numerous methods of analysis used in advanced electromagnetics depends on in-depth knowledge of complex variables, linear analysis, the Dirac delta function, Sturm-Liouville operator theory and boundary value problems, Green’s functions, spectral representations, and others. The course material comprises linear analysis leading to the introduction of the method of moments; electromagnetic boundary value problems of the Sturm-Liouville type in one-, two- and three-dimensions; modal expansion methods; Green’s function methods; mathematical representation of electromagnetic voltage and current sources. The course belongs sufficiently in the class of applied mathematics courses to also attract graduate students from outside the Power Group.
ECE 1083H Harmonic Balance and the Finite Element Method
The course will start with an explanation of harmonic balance theory and a description of its use for the analysis of nonlinear circuits in general. This will be followed by a brief review of nonlinear magnetic circuits and the classical finite element method for magnetostatic field problems. Attention will then be focused on the implementation and application of the harmonic balance finite element method. Examples found in the literature will be used to illustrate the usefulness of this steady state nonlinear circuit analysis technique.
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.
ECE 1089H Special Topics in Electromagnetics: Practical Application of Finite Element Method
Course description to be announced prior to scheduling of the course.
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 M.Eng. students only.