Grainger CEME

Center for Electric Machinery and Electromechanics

Past 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 ApplicationsApril 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)