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Seminars

May 5, 2014 Voltage Regulation for Distribution Networks
April 28, 2014 Asynchronous and Distributed Maximum Power Point Tracking of Photovoltaic Sub-modules Using Differential Power Processing
April 21, 2014 Power Electronic Drivers' Influence on LED Light Flicker
April 14, 2014 Sub-Module Control of a Multilevel DC-DC Converter for Solar Photovoltaic Applications and Voltage Regulation of a Series Stacked System of Processor Cores
April 7, 2014 - slides The Past, Present, and future of IGBT Device Technology (voice)
March 31, 2014 The Impact of Tight Coupling of Cyber and Physical Layers in the Power Grid and A Series-Stacked Power Delivery Architecture for Data Centers
March 17, 2014 Distributed Stop Detection for Resilient Distributed Control via Dissimilar Graphs and A Power Staring Strategy for Autonomoun Microgrids via Automatic Generation Control
March 10, 2014 Dithering Digital Ripple Correlation Control with Assisted Windowed Sensing and Enhancing Micro-inverter Energy Capture with Sub-module Differential Power Processing
March 3, 2014 - slides A Dynamic Magnetic Equivalent Circuit Model for Design and Control of Wound Rotor Synchronous Machines (voice)
February 24, 2014 Automation of Commercial Power System Software for Data-Driven Research and Distribution System Event Detection and Classification using Local-Area Voltage Measurements
February 17, 2014 Optimal Panel Tilt and Spacing to Maximize Yearly Energy Harvest
February 10, 2014 A Series-Stacked Architecture for Highly-Efficient Data Center Power Delivery and Inverter Characterization for Intermittent and Peak Duty Motor Drives (slides - Inverter...Drives)
February 3, 2014 Using Differential Power Processing Converters in Photovoltaic Systems to Improve Lifetime Energy Production
December 9, 2013 Stator Configuration Constraints on Electric Machine Performance and Smart-Grid-Enabled Distributed Reactive Power Support with Conservation of Voltage Reduction
December 2, 2013 Differential Power Processing of Series-Connected Photovoltaic Sub-Modules Using the PV-To-Virtual Bus Architecture and Fault Detection and Isolation in Switched Linear Systems
November 18, 2013 Thermostatically Controlled Load Equivalent Battery Parameter Identification and Energy Storage for Battery Electric Vehicles: An Engineering Perspective
November 11, 2013 Model Validation for Geomagnetically Induced Currents with Real Data and Soft-charging Operation of Switched-capacitor DC-DC Converters
November 4, 2013 Integration and Interconnection of Distributed Energy Resources
October 30, 2013 Cascading failure Dynamics in Power Grids, with Analogies in Computational Chemistry
October 28, 2013 Power System Big Data and "Model Free" Evaluation of Grid Voltage Stability
October 21, 2013 Potential HVDC Networks
October 14, 2013 Optimal Tap Settings for Voltage Regulation Transformers in Distribution Networks and System-Level Loss Optimization in Induction Motor Drives
October 7, 2013 Co-Design of Electric Machine and Integrated Modular Motor Drive Based on GaN Devices
September 30 '13 Construction of a Phasor Measurement Unit at UIUC and PMU Deployment at ATC
September 23 '13 A Probabilistic Simulation Tool for Systems with Integrated Concentrated Solar Plants
September 16 '13 Distribution Fault Location Using Wide-Area Voltage Magnitude Measurements and Geomagnetically Induced Current Sensitivity to Assumed Substation Grounding Resistance
September 9 '13 Hot Spot and Second Breakdown Effects on Reverse I-V Characteristics for Mono-Crystalline Si Photovoltaics and A distributed Approach to Maximum Power Point Tracking for Photovoltaic Sub-Module Differential Power Processing
April 29 '13 A Practical Approach for Faster Power System Transient Simulation Using Fault Dependent Model Reduction
April 15 '13 Machine Characterization for Short-Term or Instantaneous Torque Capabilities Based on Transient Thermal Response_Soft-Charging Switched Capacitor Converter using Dickson Technology
April 8 '13 Dynamic Photovoltaic Model with Reverse-Bias Characteristics to Investigate Hot Spots Formation_An Average Modeling Approach of Hybrid Power Systems for Use in Mobile Refrigeration Applications
April 1 '13a Sub-Module Differential Power Processing for Photovoltaic Applications

April 1 '13b Current Ripple Cancellation For Asymmetric Multiphase Interleaved Dc-Dc Switching Converters With Applications In Solar Photovoltaics
March 4 '13 Dithering Digital Ripple Correlation Control for Photovoltaic Maximum Power Point_Real-Time PMU-Based Tools for Monitoring Operational Reliability
Feb. 11 '13 Power Quality Compensation in Distribution Systems Using Active Power Filters
Feb. 4 '13 KTH and John Deere: An 8 Month Hiatus from UIUC
Jan. 28 '13 Introduction to the UIUC Power and Energy Group_Demand Response Resources (DDRs) Are Not All They're Made Out To Be: The Payback Effects Severely Reduce the Reported DDR Economic and Emission Benefits
Nov. 26 '12 Stochastic Simulation of Power Systems with Integrated Renewable and Storage Resources
Nov. 12 '12 MISO Overview and Generation and Demand Management Improvement with Increased Variable Generation
Nov. 5 '12 HVDC: Pathway to America's Sustainable Future
Oct. 29 '12 Computing Power System Steady-state Stability Using Synchrophasor Data
Oct. 22 '12 Microgrids: Engaging the Customer
Oct. 15 '12 Multi-area Nonlinear State Estimation using Distributed Semidefinite Programming
Oct. 8 '12 Soft-Saturation Power Inductors for Optimizing DC-Dc converter Performance
Oct. 1 '12 Some Reflections on the Field of Power Electronics and Control of DC-DC Converters
Sept. 24 '12 Line Limit Preserving Power System Equivalent
Sept. 17 '12 Modernizing Power Grids with Distributed Intelligence and Smart Grid-Ready Instrumentation
April 2012_2 Review of Charging Power Levels and Infrastructure for Plug-In Electric and Hybrid Vehicles and Commentary on Unidirectional Charging
April 2012 Health Monitoring and Fault Detection of Claw-pole Generators
November 2011 Accelerating Optimal Machine Design Through Parametric Thermo-Mechanical Models
October 2011 Design Strategies for Inverter-Driven Induction Machine
May 2011 An In-Lab Grid for the Development of Energy Storage for Use With Wind Energy
April 2011 Control and Modulation Schemes for High‐Performance Electrical Drive Systems
March 2011 Power Supply Aware Computing
February 2011 Aspects of Permanent Magnet Machine Design
December 2010 Capacitive Power Transfer for Contactless Charging
November 2010 The Grainger Center for Electric Machinery and Electromechanics at the University of Illinois
October 2010 A Multirate Field Construction Technique for Efficient Modeling of the Fields and Forces within Inverter-Fed Induction Machines
September 2010 Inductive Power Transfer: Powering our Future
May 2010 Recent Progress in Computational Electromagnetics with a Focus on the Finite Element and Boundary Element Methods
April 2010 2MW PM Machine Design for Direct–Driven Wind Turbine Generator Application
March 2010 Solar Energy Project and Assessment for a Major University Building
February 2010 Integrated Power Managementwith Switched-Capacitor DC-DC Converters
December 2009 Considering Thermo-mechanical Modeling and Design of Electrical Machines
November 2009 Traditional Design of Cage Rotor Induction Motors
October 2009 Direct-Drive Rotary Generator Design by Genetic Algorithm for Ocean Wave Energy Application
September 2009 Cost-Effective Hundred-Year Life for Single-Phase Inverters and Rectifiers in Solar and LED Lighting Applications through Port-Based Ripple Management Port
May 2009 Evolutionary Design of PMSM Machines
April 2009 Windings For Permanent Magnet Machines
March 2009 Switched-Capacitor Converters: Big and Small
February 2009 Power Electronics Needs and Performance Analysis for Achieving Grid Parity Solar Energy Costs
December 2008 Doubly Excited Brushless Reluctance Machine for Advanced Wind Power Generation
November 2008 Overview of Power Electronics for Hybrid Vehicles
October 2008 Utilizing a Digital PWM Controller to Monitor the Health of a Power Supply
September 2008 Electric Machine Design: Current Status and Alternatives for Improved Performance
July 2008 Design of Inverter-Driven Induction Machines
July 2008 Experimental Evaluation of a High-Speed Multi-Megawatt SMPM Machine
May 2008 Nonlinear Phenomena in Power Electronics
April 2008 A Comparison of Nodal- and Mesh-Based Magnetic Equivalent Circuit Models
March 2008 Medium Voltage Induction Motor Protection and Diagnostics
February 2008 Residential Solar Power in the Midwest
December 2007 New Mexico Army National Guard PEM Demonstration Project (Fuel Cells)
November 2007 Battery Management for Maximum Performance in Plug-In Electric and Hybrid Vehicles
October 2007 High Average-Efficiency Power Amplifier Techniques
April 2007 A Novel Control Scheme for a Doubly-Fed Induction Wind Generator Under Unbalanced Grid Voltage Conditions
March 2007 PM Generator Characteristics for Oscillatory-Engine Based Portable Power System
February 2007 Discussion of the Grainger Center for Electric Machinery and Electromechanics Collaborative Network: an Overview of Machines and Energy on a National Scale
December 2006 A Stator Turn-Fault-Tolerant Strategy for Interior PM Synchronous Motor Drives in Safety-Critical Applications
November 2006 Using Torque-Ripple-Induced Vibration to Determine the Initial Rotor Position of a Permanent Magnet Synchronous Machine

October 2006 Ocean Wave Energy Conversion: A Survey
April 2006 Investigating the Utility of Schwarz-Christoffel Mapping Theory in Electric Machine Design and Analysis.
April 2006 Frequency-Dependent, Time-Invariant DC-DC Converter Models Without Averaging
March 2006 Ultimate Switching: Toward a Deeper Understanding of Switch Timing Control in Power Electronics and Drives (P. Krein)
November 2005 Hurricane Katrina's Damage: Assessment of Power Infrastructure for Distribution, Telecommunications and Backup, With On-Site Data (W. Weaver, A. Kwasinski) (17 M PDF file)
November 2005 Digital Audio Amplifiers: Methods for High-Fidelity Fully Digital Class D Systems (P. Krein, presented at Purdue and at Berkeley)
February 2005 A Microscopic Investigation of Force Generation in a Permanent Magnet Synchronous Machine (S. Pekarek)
April 2004 Low-Cost Distributed Solar-Thermal-Electric Power Generation (S. Sanders)
March 2004 Energy Systems Research at Oregon State University (A. vonJouanne)
February 2004 Energy Source Diversification (P. Chapman)
March 2003 Biomechanical Energy Conversion (P. Chapman)
December 2002 The Nature and Promise of 42 V Automotive Power: An Update (P. Krein)
November 2002. Fuel Cells: Electrical Energy Conversion Issuess (P. Krein)
May 2002 The Grainger Center for Electric Machinery and Electromechanics – Update (P. Krein)
March 2002 High-Frequency Link Inverter Based on Multiple-Carrier PWM (P. Krein, Xin Geng, R. Balog)
December 2001 A fast current response control strategy fo
flywheel peak power capability under DC bus voltage constraint (L. Xu)
October 2001 Power electronics global perspective (G. Joos)
September 2001 MEMS update on small magnetics (C. Liu)
April 2001 Summary of challenges in small motors (P. Krein)