 RESEARCH
 APPLICATION AREAS
 TECHNOLOGY AREAS
 ACCOMPLISHMENTS
 Showcase

Projects

PATENTS

NUGGETS ARCHIVE
CPES Nuggets Archive
Nugget Archives
 2018

 A SmallSignal Model of the Sigma Converter with Current Mode Control
 A Novel Soft Switching ZVS, Sinusoidal Input Boundary Current Mode Control of 6Switch ThreePhase 2Level Boost Rectifier for Active and Active + Reactive Power Generation
 Resonant CrossCommutated DCDC Converter
 Comparison Between Desaturation Sensing and Rogowski Coil Current Sensing for Short Circuit Protection of 1.2 kV, 300 A SiC MOSFET Module
 Coil and Circuit Design of Omnidirectional Wireless Power Transfer System for Portable Device Application
 HighFrequency HighDensity Bidirectional EV Charger
 Analysis and Design of an Overcurrent Protection Scheme Based on Parasitic Inductance of SiC MOSFET Power Module
 Control of the Modular Multilevel Converter (MMC) Based on the State Plane Analysis and ΣΔ Coordinate Transformation
 Dynamic Voltage Balancing Method for FastSwitching SiC MOSFETs with High dV/dt Rates
 A ThreeDimensional Electric Field Model for a HighDensity Wide BandgapBased HBridge Converter
 EMI Evaluation and Filter Design of a SiCBased UPS System
 Magnetic Paste as Feedstock for Additive Manufacturing of Power Magnetics
 Single Stage EMI Filter Design for 1 kW Server Power Supply
 Three Terminal CommonMode EMI Modeling and EMI Mitigation Strategy for Full SiC UPS
 Inverse Nyquist Stability Criterion for GridTied Inverters
 AC Impedance Derivation of Utility Scale PV Farm
 Virtual Synchronous Machine Based Control of Photovoltaic (PV) Inverters
 Electronic Generator SystemLevel Operation
 Stability Analysis on dq Frame Impedances in Power Systems with Multiple STATCOMs in Proximity
 Critical ModeBased Soft Switching Modulation for ThreePhase Rectifiers
 Reactive Power Control of Critical ModeBased Soft Switching Modulation for ThreePhase Bidirectional ACDC Converters
 A HighEfficiency Interleaved SinglePhase ACDC Converter with CommonMode Voltage Regulation for 380 V DC Microgrids
 LowFrequency CommonMode Voltage Control for Systems Interconnected With Power Converters
 MediumVoltage Impedance Measurement Unit for Assessing the System Stability of Electric Ships
 Power Electronics Building Block (PEBB) Design based on 1.7 kV SiC MOSFET Modules
 Zero CMV Emission DCDC Converter for UPS Application
 Design and Characterization of a Linear Variable Capacitor
 Electromagnetic Interference Reduction Techniques for Gate Driver Design of MediumVoltage SiC MOSFET
 Optimal Design of Planar Magnetic Components for A TwoStage Rail Grade DCDC Converter
 A Symmetrical Resonant Converter and PCB Transformer Structure for Common Mode Noise Reduction
 High Efficiency Twostage 48 V Bus Converter with Integrated Magnetics
 Design and Additive Manufacturing of MultiPermeability Magnetic Cores
 Field Modeling for PlateCore Inductor With Significant Fringing Using EqualFlux Contours
 Field Attenuation around InductivePowerTransfer Coils with DualSideControlled Converters
 An Analytical Method to Calculate Winding Resistance for Planar Coil with Ferrite Plate and Litz Wire in Inductive Power Transfer
 Attenuation of Stray Magnetic Field in Inductive Power Transfer by Controlling Phases of Windings' Currents
 Design, Characteristics, and Application of Pluggable LowInductance Switching Power Cell of Paralleled GaN HEMTs
 A WBGBased Three Phase 12.5 kW 500 kHz CLLC Resonant Converter with Integrated PCB Winding Transformer
 VeryHighFrequency Magnetic Integration into a Power Module for Current Balancing
 Beat Frequency Oscillation Analysis for Parallel DCDC Converters Based on CrossedFrequency Output Impedance Matrix Model
 Small Signal Equivalent Circuit Model of QuasiSquareWave Flyback
 Modeling and Design for Integrated Coupled Inductors in Interleaved ThreeLevel DCDC Converters
 Modeling of a 600 V 2 A Vertical GaN Transistor
 The Effect of Surface Roughening of TemperatureCycled CeramicMetalBonded Substrates on the Thermomechanical Reliability of SinteredSilver Joints
 Trends in SiC MOSFET Threshold Voltage and OnResistance Measurements from Thermal Cycling and Electrical Switching Stresses
 Fabrication and Characterization of a HighDensity, Planar 10 kV SiC MOSFET Power Module
 Design of a Novel, HighDensity, HighSpeed 10 kV SiC MOSFET Module
 Design and Development of a HighDensity, HighSpeed 10 kV SiC MOSFET Module
 Static and Dynamic Characterization of a GaNon GaN 600 V, 2 A Vertical Transistor
 Balancing of Peak Currents Between Paralleled SiC MOSFETs by Drive Source Resistors and Coupled Power Source Inductors
 Loss Model and Optimization Method for a SwitchedCapacitor Divider for a POL Application
 Taking into Account Interactions Between Converters in the Design of Aircraft Power Networks
 Digital Consideration of a TwoStage Rail Grade DCDC Converter
 A WavetoWire Equivalent Circuit for Irregular (Regular) Wave
 Modeling Resonant Converter in a Rotating Polar Coordinate
 Startup and Control of High Efficiency 48/1 V Sigma Converter
 Digital Constant Ontime V^{2} Control with Hybrid Capacitor Current Ramp Compensation
 Multiobjective Design and Optimization of a Vienna Rectifier with Parametric Uncertainty Quantification
 Modeling and Design of the Modular Multilevel Converter with Parametric and Model Form Uncertainty Quantification
 A New Inverse Charge Constant OnTime (IQCOT) Control for Noise Performance Improvement in Multiphase Operation
 A New Inverse Charge Constant OnTime (IQCOT) Control for Improvement of Transient Performance in Multiphase Operations
 A New Inverse Charge Constant OnTime (IQCOT) Control with Fast and Optimized Transient Response
 GaNBased Isolated DCDC Converter for Space Application
 Power Supply with Low InputOutput Capacitance for Multiple Gate Driver Units of a 10 kV SiCMOSFET Module
 Development of Digital ControlBased Active Gate Driver for Stacked SiC MOSFETs
 Phase Current Sensor and Short Circuit Protection Based on PCBEmbedded Rogowski Coils Integrated in the Gate Driver of a 1.2 kV 300 A SiC MOSFET Module
 Desaturation Detection for Paralleled GaN Phase Legs
 A High Efficiency Isolated Regulated 48 V Bus Converter with Integrated Magnetics
 Design and Control of Modular Motor Drives
 ThreePhase Interleaved LLC Converter with Integrated Magnetics for 48 V Output
 AC Stability Analysis and dq Frame Impedance Specifications in Power ElectronicsBased Distributed Power Systems
 2017

 Highefficiency Highpowerdensity 380V/12V DC/DC Converter with a Novel Matrix Transformer
 Two ComparisonAlternative High Temperature PCBEmbedded Transformer Designs for a 2 W Gate Driver Power Supply
 NiCuZn Ferrite Cores by Gelcasting: Processing and Properties
 Modeling Resonant Converter in a Rotating Coordinate
 A HighFrequency SmallSignal Model for InverseCharge Constant Ontime (IQCOT) CurrentMode Control
 Predicting the Behavior of a High Switching Frequency SiCBased Modular Power Converter Based on LowPower Validation Experiments
 HighEfficiency HighPowerDensity 48/1V Sigma Converter Voltage Regulator Module
 Online Measurement of Inward  Outward Impedances for Stability Assessment
 Application of ImpedanceBased Stability Criterion in Power Systems with Multiple STATCOMs in Proximity
 CriticalModeBased SoftSwitching Modulation for ThreePhase Inverters
 Towards a High Performance Motor Drive System for Aerospace Applications: Topology Evaluation, Converter Optimization and Hardware Verification
 Improved Coupled Inductor Design for 6.6kW On Board Battery Charger
 2 W Gate Drive Power Supply Design with PCBEmbedded Transformer Substrate
 Design of Inductors With Significant AC Flux
 New Tunable Piezoelectric Transformers and their Application in dcdc Converters
 Resonant Converter with Coupling Independent Resonance for Wireless Power Transfer Application
 Very High Frequency Integrated Voltage Regulator for Small Portable Devices
 HighFrequency HighEfficiency GaNBased Interleaved CRM Bidirectional Buck/Boost Converter with Inverse Coupled Inductor
 Omnidirectional Wireless Power Transfer for Portable Devices
 Active dv/dt Control of 600 V GaN Transistors
 Very High Frequency IVR for Small Portable Electronics with HighCurrent Multiphase 3D Integrated Magnetics
 OverMolded Inductor (OMI)  Feasibility Demonstration in a DCDC Conveter
 Two Core Implementations of Coupled Inductors for Paralleled Threephase Power Converters
 Synergetic Optimization of Efficiency and Stray Magnetic Field for Planar Coils in Inductive Power Transfer Using Matrix Calculation
 PhysicsBased Equivalent Circuit for Coupled Windings with Significant Fringing
 Additive Manufacturing of Toroid Inductors for Power Electronics Applications
 Equivalent Electric Circuit for a wave energy converter
 Stability Criterion of DroopControlled Parallel Inverters Based on Terminal Characteristics of Individual Inverters
 Decoupled αβ Model of Modular Multilevel Converters (MMCs)
 Modeling and Analysis for Input Characteristics of LineFrequency Rectifiers
 SmallSignal Analysis of V^{2} Control Using Equivalent Circuit Model of Current Mode Controls
 Modeling of VoltageControlled Capacitor (VCC) in DcDc Converters
 A ThreeTerminal Switch Model of Constant OnTime Current Mode With External Ramp Compensation
 An Enhanced Adaptive FrequencyLocked Loop for VariableFrequency Control
 ImpedanceBased Analysis of Active Frequency Drift Islanding Detection for GridTied Inverter System
 SmallSignal Analysis of the Sigma Converter
 Study of the Predictive Capability of Modular Multilevel Converter Simulation Models under Parametric and Model Form Uncertainty
 LowFrequency TerminalBehavioral Modeling of ThreePhase Converters
 SmallSignal TerminalCharacteristic Modeling of ThreePhase DroopControlled Inverters
 Testing the Switching Capability of a Normallyoff 800 V  2 A Vertical GaN Power Transistor
 On the Measurement of Switching Energy
 Design and Development of a 10 kV, 60 A SiC MOSFET Module
 Phase Leg Design and Dynamic Characterization with two 650 V/ 60 A GaN HEMTs in parallel
 Design of GaNbased MHz Totempole PFC Rectifier
 DigitalBased Interleaving Control for GaNbased MHz CRM Totempole PFC
 A Novel WBGBased BiDirectional On Board Charger
 HighFrequency ActiveClamp Flyback Converter with GaN Devices for LowPower ACDC Adapter
 WideInputVoltageRange DualOutput GaNbased Isolated DCDC Converter for Aerospace Applications
 Design of a TwoSwitch Flyback Power Supply Using 1.7 kV SiC Devices for UltraWide InputVoltage Range Applications
 Investigation of MediumVoltage HighPower Industrial Drives in Presence of MediumVoltage SiC MOSFETs
 Integrated Switch Current Sensor for Shortcircuit Protection and Current Control of 1.7kV SiC MOSFET Modules
 Evaluation of the Reverse Behaviors of the Latest Generations of SiC MOSFET and SiC Schottky Barrier Diode
 Passive Balancing of Peak Currents between Paralleled MOSFETs with Unequal Threshold Voltages
 Design of a SiCBased Modular Multilevel Converter for Medium Voltage DC Distribution System
 Large Substrates Bonded by Silver Sintering and Their Thermal Performance
 Insulation design and evaluation via partial discharge (PD) test for power electronics applications
 DBC Switch Module for Management of Temperature and Noise in 220W/in3 Power
 HighFrequency Transformer Design for Modular Power Conversion from Medium Voltage AC to 400V DC
 A Novel PCB Winding Transformer with Controllable Leakage Integration for a 6.6kW 500kHz High Efficiency High Density BiDirectional On Board Charger
 Busbar Design for SiCBased HBridge PEBB using 1.7 kV, 400 A SiC MOSFETs Operating at 100 kHz
 Analysis of DQ SmallSignal Impedance of GridTied Inverters
 A Transformerless SinglePhase Bidirectional Interface Converter to Connect AC and DC Power Distribution Systems
 A Frequency Domain Model for Beat Frequency Oscillation Analysis in Microgrid
 The Impact of PV Inverter Penetration on Voltage Profile and Power Loss in MediumVoltage Distribution Systems
 Capacitor Voltage Ripple Reduction with State Trajectory Analysis for Modular Multilevel Converter
 10 KW Transformer and DC Stage Design for Electrical Vehicle Charging System
 Conceptual Design and Weight Optimization of Aircraft Power Systems with HighPeak Pulsed Power Loads
 OverMolded Inductor (OMI)  Feasibility Demonstration in a DCDC Converter
 Design and Development of a Novel, HighDensity, HighSpeed 10 kV SiC MOSFET Module
 2016

 Design and Optimization of High Frequency High Current LLC converter with Planar Transformers
 EMI Filter Design of DCFed MotorDrives Using Behavioral EMI Models
 A New Package of HighVoltage Cascode Gallium Nitride Device for HighFrequency Applications
 Equivalent Circuit Modeling of LLC Resonant Converters
 Unified Equivalent Circuit Model and Optimal Design of V^{2}Controlled Buck Converters
 Modeling and Analysis of High Frequency Interactions for Distributed Power System
 Assessment of Medium Voltage Distribution Feeders under High Penetration of PV Generation
 Multichannel LED Driver with CLL Resonant Converter
 Design, Analysis and Experimental Evaluation of a VirtualSynchronousMachineBased STATCOM with LCL Filter
 State Trajectory Analysis of Modular Multilevel Converter
 Modeling and Control of GridConnected Voltage Source Converters Emulating Isotropic and Anisotropic Synchronous Machines
 SmallSignal Stability Analysis of ThreePhase AC Systems in the Presence of Constant Power Loads Based on Measured dq Frame Impedances
 SmallSignal Impedance Measurement in MediumVoltage DC Power Systems
 Synchronous MachineBased MultiConverter System With Online Interaction Monitoring Function
 VoltageControlled Converter Emulating Synchronous Machine  Model Verification
 Analysis of Capacitor Voltage Ripple Minimization in Modular Multilevel Converter Based on Average Model
 Analysis of PhaseLocked Loop LowFrequency Stability in ThreePhase GridConnected Power Converters Considering Impedance Interactions
 Testing of a Novel MediumVoltage Impedance Measurement Unit
 SmallSignal Terminal Characteristics Modeling of ThreePhase Boost Rectifier with Variable Fundamental Frequency
 Widebandwidth Identification of SmallSignal dq Impedances of ac Power Systems via SinglePhase Series Voltage Injection
 DC Fault Control of Modular Multilevel Converter with FullBridge Cells
 Comparative performance assessment of Silicon Carbide and Gallium Nitride power rectifier technologies
 Temperature dependence of GaN MOS capacitor characteristics
 UltraLow Inductance Vertical Phase Leg Design with EMI Noise Propagation Control for Enhancement Mode GaN Transistors
 Driving and sensing design of an enhancementmodeGaN phaseleg as a building block
 Avoiding Divergent Oscillation of Cascode GaN Device under High Current Turnoff Condition
 Wide Range and High Power Density GaNBased DCDC Converter Design
 StateTrajectory Control with SingleCycle Response for POL Converters
 Magnetic Material Selection Procedure for a Coupled Inductor used in Interleaved Threelevel Multiphase DCDC Converters
 Modeling of PlateCore Inductors and Coupled Inductors
 Gate Driver with Overshoot Regulation and Active Snubbing
 Differentialmode EMI emission prediction of SiCbased power converters using a mixedmode unterminated behavioral model
 HighFrequency PCB Winding Transformer Design for OnBoard Battery Charger
 Passive Component Loss Minimization for Interleaved DCDC Boost Converters in Electric Vehicle Applications
 Inductor Coupling and Integration for 6.6kW On Board Battery Charger
 PointofLoad Inductor with High Swinging and Low Loss at Light Load
 Magnetic Characterization Technique and Material Comparison for Very High Frequency IVR
 UltraLow Inductance Phase Leg Design for GaNBased ThreePhase Motor Drive Systems
 Additive Manufacturing of Magnetic Components for Power Electronics Integration
 Conducted EMI Analysis and Filter Design for MHz Active Clamp Flyback Frontend Converter
 A Novel ACtoDC Adaptor with UltraHigh Power Density and Efficiency
 Normalized Design Method for Coils in SeriesSeries Inductive Power Transfer System
 Evaluation and Applications of 600V/650V EnhancementMode GaN Devices
 Dynamic Characterization of 650 V GaN HEMT with Low Inductance Vertical Phase Leg Design for HighFrequency HighPower Applications
 HighFrequency CRM AC/DC Converter for WBGBased 6.6kW OnBoard Charger
 DigitalBased Interleaving Control for GaNbased MHz CRM TotemPole PFC
 Microcontrollerbased Critical Mode Control with Improved ZeroCurrentDetection for MHz Totempole PFC
 Summary of GaNbased MHz CRM Totempole PFC
 Digital Controlled MHz Critical Mode PFC with Simplified Ontime Calculation for Minimizing Input Current Distortion
 Improved Constant OnTime Control with SingleCycle Load Transient for Multiphase Voltage Regulator
 2016 Nugget Master Page: Nuggets  D2.13; D2.13(a)
 2016 Nugget Master Page: Nuggets  D1.1; D1.1(a)
 2016 Nugget Master Page: Nuggets  D2.11; D2.11(a)
 A New Inverse Charge Constant OnTime (IQCOT) Control for Noise Performance Improvement in MultiPhase Operation
 A New Inverse Charge Constant OnTime (IQCOT) Control for Transient Performance Improvement in MultiPhase Operation
 Advances in SiCBased Power Conversion for Shipboard Electrical Power Systems
 Study on Threelevel DC/DC Converter with Coupled Inductors
 Spurious TurnOn inside a Power Module of Paralleled SiC MOSFETs
 HighEfficiency TwoStage 48v VRM with PCB Winding Matrix Transformer
 Variable Slope External Ramp to Improve the Transient Performance in Constant OnTime Current Mode Control
 HighDensity, FastSwitching 1.2 kV, 90 A DiodeLess SiC MOSFET HalfBridge Module and Gate Drive Design
 Dynamic Bus Voltage Control for Lightload Efficiency Improvement of Twostage Voltage Regulator
 A Gallium NitrideBased Power Module for TotemPole Bridgeless Power Factor Correction Rectifier
 Static and dynamic performance characterization of 3.3kV 30A discrete SiC MOSFETs from Sumitomo Electric Industries
 Thermal Analysis and Improvement of Cascode GaN Device Package for TotemPole Bridgeless PFC Rectifier
 Characterization and comparison of the latest generation of 900V and 1.2kV SiC MOSFETs
 A 50 kW SiC ThreePhase ACDC Converter Design for High Temperature Operation
 Survey of High Temperature Polymeric Encapsulants for Power Electronics Packaging
 SmallSignal Analysis and Optimal Design of Constant Frequency V^{2} Control
 High Density Integration of High Frequency High Current PointofLoad (POL) Modules with Planar Inductors
 Dynamic Sharing Between Paralleled SiC MOSFETs Caused by Threshold Voltage Mismatch
 Design of a Modular and Scalable Smallsignal dq Impedance Measurement Unit for Grid Applications Utilizing 10 kV SiC MOSFETs
 A New Package of HighVoltage Cascode Gallium Nitride Device for Megahertz Operation
 ElectroThermal Distribution among Paralleled SiC MOSFETs
 Effect of Heating Rate on Bonding Strength of Pressurefree Sintered Nanosilver Joint
 HighFrequency Isolation Solution for DC distribution Data Center
 Thermomechanical Reliability of Hightemperature Power Modules with Metalceramic Substrates and Sintered Silver Joints
 EnergyHarvesting Shock Absorbers with Riding Comfort controller on Vehicle Suspension Systems
 A New Inverse Charge Constant Ontime (IQCOT) Control with Ultrafast Load Transient Response
 Design of a HighDensity, Diodeless 1.2 kV, 90 A SiC MOSFET HalfBridge Power Module
 Omnidirectional Wireless Power Transfer for Portable Devices
 ModelBased Design of a Modular Multilevel Converter with Minimized Design Margins
 Very HighFrequency Integrated VR for Small Portable Devices
 Design Consideration of MHz Active Clamp Flyback Converter with GaN Devices for Low Power Adapter Application
 Capacitor Voltage Ripple Reduction for Modular Multilevel Converter with 2nd order Current Injection and Over Modulation
 Low Frequency Common Mode Voltage Control for Systems Interconnected with Power Converters
 Comparison of Silicon, SiC and GaN Power Transistor Technologies with Breakdown Voltage Rating from 1.2 kV to 15 kV
 Modular Scalable MediumVoltage Impedance Measurement Unit Using 10 kV SiC MOSFET PEBBs
 A Novel High Efficiency System Architecture for Bidirectional On Board Battery Charger
 Gate Driver Design for 1.7kV SiC MOSFET Module with Rogowski Current Sensor for Shortcircuit Protection
 Design and Optimization of a High Performance Isolated Three Phase AC/DC Converter
 2015

 Analysis and Design of Coupled Inductor for Interleaved Multiphase ThreeLevel DCDC Converters
 Design of 3.3 kW Wireless Inductive Power Transfer System
 MultiStep Simplified Optimal Trajectory Control (SOTC) for LLC Resonant Converter
 Simple Equivalent Circuit Model of a Series Resonant Converter
 A Novel Phase Lock Loop (PLL)Based Interleaving Structure for VariableFrequency Controlled Voltage Regulators
 Design and Implementation of Interleaved Vienna Rectifier with Greater than 99% Efficiency
 Improving HighFrequency Performance of an Input Common Mode EMI Filter Using an ImpedanceMismatching Filter
 Improving HighFrequency Performance of an Input Common Mode EMI Filter Using an ImpedanceMismatching Filter
 EMI Behavioral Models of DCFed ThreePhase Motor Drive Systems
 Improving the Efficiency and Dynamics of 3D Integrated POL
 Temperature Cycling Reliability Assessment of DieAttachment on Bare Copper by Pressureless Nanosilver Sintering
 Evaluation of ThermalCycling Reliability of SinteredNanosilver Versus Soldered Joints by Curvature Measurement
 Effect of Sintering Temperature on Magnetic Coreloss Properties of a NiCuZn Ferrite for Highfrequency Power Converters
 Design and Evaluation of the ConstantFlux Inductor with Enclosed Winding
 Gap Design for Nonlinear Ferrite Cores to Maximize Inductance
 On Discussion of Mixed Mode Noise in HBridge Converters
 Balance Technique for MHz Critical Mode PFC Rectifier with Coupled Inductor
 Improved Unterminated Behavioral Model for CommonMode EMI Emission of SiC Power Converters with Different Switching Frequencies
 Magnetic Design and Loss Analysis for High Frequency High Power DC/DC Transformer
 Improved Unterminated Behavioral Model for CommonMode EMI Emission of SiC Power Converters with Different Switching Frequencies
 The Optimal Design of a GaNbased Dual Active Bridge for a BiDirectional Plugin Hybrid Electric Vehicle (PHEV) Charger
 10 kV, 120 A SiC MOSFET Modules for a Power Electronics Building Block (PEBB)
 10 kV, 120 A SiC MOSFET Modules for a Power Electronics Building Block (PEBB)
 Investigation and Design of a Modular Multilevel Converter in AFE Mode with Minimized Passive Elements
 New Modulation Scheme for 3level Active Neutral Point Clamped Converter with Loss and Stress Reduction
 DC Fault ridethrough capability of Modular Multilevel Converters
 Analysis and Simplification of Modular Multilevel Converter and Circulating Current Injection
 Integrated Design by Optimization of Electrical Power Systems for More Electric Aircraft
 Modularized High Frequency High power 3level Neutral Point Clamped PEBB cell for Renewable Energy System
 LCL Filter Design and Inductor Current Ripple Analysis for 3level NPC Grid Interface Converter
 Direct circulating current control and reducing cap voltage ripple of MMC
 MultiPhase Smart Converter for PV System
 Resistance Compression TNetworks with ActiveSwitch Compensation in the Input Branch for ConstantFrequency Resonant Power Conversion
 Modeling of Multiphase Threelevel DC/DC Converter with Integrated Coupled Inductor
 Modular Multilevel AlternateArm Converter (AAC): Modeling, Design and Control
 ReliabilityOriented IGBT Selection for High Power Converters
 Design and Comparison of Cascaded Hbridge, 5L Active Neutral Clamped and Modular Multilevel Converter Topologies for MediumVoltage Drive Application
 Discontinuous Pulse Width Modulation Methods with Neutral Point Voltage Balancing For Three Phase Vienna Rectifiers
 Hybrid Modulation for Neutral Point Voltage Reduction in DCfed ThreeLevel Motor Drive Systems
 Compensation of DCLink Oscillation in SinglePhase to SinglePhase VSC/CSC and Power Density Comparison
 GaNbased High Frequency TotemPole Bridgeless PFC Design with Digital Implementation
 Design and Implementation of Integrated Common Mode Capacitors for SiCJFET Inverters
 A 50 kW SiC Three Phase AC DC Converter Design for 200 degree C Ambient Temperature
 Characterization of 650 V enhancement mode GaN HEMT
 A 1200V, 60A SiC MOSFET Multichip PhaseLeg Module for HighTemperature, HighFrequency Applications
 An UltraFast SiC PhaseLeg Module in Modified Hybrid Packaging Structure
 4HSiC PiN Diodes on Lightly Doped FreeStanding Substrates
 Switching capability evaluation of GaN power FETs using a new intrinsic maximum switching frequency figureofmerit
 Characterization and enhancement of high voltage cascode GaN devices
 SteadyState Analysis of Voltages and Currents in the Modular Multilevel Converter Based on an Average Model
 Modeling and Design of Islanding Detection Using PhaseLocked Loops in ThreePhase GridInterface Power Converters
 Analysis and Design of a Virtual Synchronous Machine Based STATCOM Controller
 Droop Voltage Range Design in DC MicroGrids, Considering Cable Resistance
 Modeling of a Virtual Synchronous Machinebased Gridinterface Converter for Renewable Energy Systems Integration
 SwitchingCycle Capacitor Voltage Control for Modular Multilevel DC/DC Converters
 Sensitivity Analysis of a Modular Multilevel Converter
 Stress Analysis and Minimization for a Modular Multilevel Converter (MMC) to enhance the Reliability of the Converter
 ReliabilityOriented Switching Frequency Analysis for Modular Multilevel Converter (MMC)
 Digital Hybrid RippleBased Constant OnTime Control for Voltage Regulator Modules
 Verification, Validation and Uncertainty Quantification (VV&UQ) Framework Applicable to Power Electronics Systems
 Modeling the Output Impedance of ThreePhase Uninterruptible Power Supply in DQ Frame
 A Unified Control for the Combined Permanent Magnet Generator and Active Rectifier System
 Improved CurrentMode Control with SingleCycle LoadTransient
 Adaptive Synchronous Rectifier Driving Scheme for LLC Resonant Converter
 MHz LLC Resonant Converter Design with Planar Matrix Transformer for Telecom Application
 Determination of "Resonant Frequency" for CurrentFed Power Amplifier Using Multifrequency Modeling Technique
 CompressivePost Packaging of DoubleSided Die
 DBC Switch Module for Management of Temperature and Noise in 220W/in^{3} Power Assembly
 Loss Minimization for Coupled Inductors with Significant Ac Flux
 Simplified Optimal Trajectory Control (SOTC) for Burst Mode of High Frequency LLC Resonant Converter
 Soft Startup for High Frequency LLC Resonant Converter with Optimal Trajectory Control
 New Variable Frequency Current Mode Control using Charge Control Concept
 Package Influence on Switching Performance of SiC Modules
 Efficiency Optimized AC Charging Waveform for the GaN Bidirectional PHEV Battery Charger
 2014

 Unified Equivalent Circuit Model of V^{2} Control
 Characterization of LowTemperature Sintered Ferrite Laminates for HighFrequency PointofLoad (POL) Converters
 Thermal Stability of Al2O3Filled SiliconeBased Elastomers for Power Electronic Encapsulation
 Gap Design for Ferrite Cores to Maximize Inductance in the Presence of Non Uniform Saturation
 Evaluation of GaNBased MHz Interleaved CRM PFC Converter
 Evaluation of GaNBased MHz Interleaved CRM PFC Converter
 Hybrid Interleaving Structure with Adaptive PLL Loop for Multiphase Constant Ontime Switching Converter
 StateSpace Switching Model of Modular Multilevel Converters
 HighFrequency Integrated PointofLoad Converters: Overview
 Distributed MPPT Method for Smart Converter PV Systems
 Transient Performance Improvement for Constant On Time Control
 Comparison of Critical Conduction Mode, Triangular Conduction Mode and Fixed Frequency Modulation Schemes for SinglePhase HBridge Boost PFC
 Energy Management System Control and Experiment for Future Home (Parts 1&2)
 Energy Management System Control and Experiment for Future Home (Parts 1&2)
 High Reliability Capacitor Bank Design for Modular Multilevel Converters in MV Applications
 High Frequency, High Density PointofLoad (POL) Module with PCB Embedded Coupled Inductor Substrate for VR Application
 Performance Projection of Vertical HighVoltage GaN power MOSFETs and Comparison to SiC power MOSFETs
 Equivalent Circuit Model and Design of Constant Ontime Current Mode Control With External Ramp Compensation
 TwoStage MultiChannel LED Driver with CLL Resonant Converter
 Characteristics of Monolithically Integrated LED/Power MOS Channel HEMT Pair in GaN with Selective Epi Removal
 Space Vector Modulation for Threelevel NPC Converter with Neutral Point Voltage Balance and Switching Loss Reduction
 Coupled inductor in interleaved multiphase threelevel DCDC Converters for High Power Energy Storage Applications
 HighFrequency, HighEfficiency GaN Based Interleaved CRM Bidirectional Buck/Boost Converter with Coupled Inductor
 Avoiding Si MOSFET Avalanche in Cascode Device and Achieving ZeroVoltageSwitching for Cascode Device
 Evaluation of HighVoltage Cascode GaN HEMT in Different Packages
 30W Flyback Converter Operating at 5 MHz
 Evaluation and Control Design of VirtualSynchronousMachineBased STATCOM for Grids with High Penetration of Renewable Energy
 Design and Integration of Interphase Inductors for Interleaved ThreePhase VoltageSourceInverters in DCfed Motor Drive Systems
 A ThermallyEnhanced HighSpeed Switch Module: Fabrication and Application to Converters
 Efficiency Evaluation of Twolevel and Threelevel Bridgless PFC Boost Rectifiers
 Formal Procedure for Power Electronics Modeling Verification, Validation and Uncertainty Quantification (VV&UQ)
 Modeling and Autotuning of AVP Control with Inductor DCR Current Sensing
 Analysis of Unified Output MPPT Control in SubPanel PV Converter System
 Energy Harvesting from a Generator with TimeDependent Output Inductance
 Statetrajectory Control of LLC Converter Implemented by Microcontroller
 Input and Output EMI Filter Design Procedure for Matrix Converters
 Design of Integrated Transformer and Inductor for High Frequency Dual Active Bridge GaN Charger for PHEV
 Comparison of Coil Designs for Wireless Inductive Power Transfer
 Assessment of Switching Frequency Impact on EMI Emissions of 10 kW SiC Power Converter Using Unterminated Behavioral Models
 1200V BiDirectional Si DMOS IGBT Fabricated with Fusion Wafer Bonding
 Design Considerations for GaN HEMT Multichip Halfbridge Module for HighFrequency Power Converters
 Analysis of Nonlinear Sideband Effects in Smallsignal Input dq Admittance of Twelvepulse Diode Rectifiers
 Pulsewidth Locked Loop (PWLL) for Automatic Resonant Frequency Tracking in LLC DC%u2013DC Transformer (LLCDCX)
 V^{2} Control with Capacitor Current Ramp Compensation using Lossless Capacitor Current Sensing
 Bidirectional PHEV Battery Charger based on Normallyoff GaNonSi MultiChip Module
 Analysis and Optimization of Module Integrated MPPT ConverterBased Residential PV System
 Discussion on the Compression of the Resistance Range in Twoport Networks
 Resistive pointcompression  Theory of Operation in Resonant Power Transfer
 MultiLevel SinglePhase Shunt Current Injection Converter Used in SmallSignal dq Impedance Identification
 PowerCell SwitchingCycle Capacitor Voltage Control for Modular Multilevel Converters
 A Novel Hybrid Packaging Structure for HighTemperature SiC Power
 HighFrequency Integrated Point of Load (POL) Module with PCB Embedded Inductor Substrate
 Inductor Geometry with Improved Energy Density
 A FrequencyDomain Study on the Effect of DCLink Decoupling Capacitors
 Analysis and Reduction of Common Mode EMI Noise for Resonant Converters
 Comparison of SmallSignal Characteristics in CurrentMode Control Schemes for PointofLoad Buck Converter Applications
 A HighTemperature SiC ThreePhase Converter Design for >100 °C Ambient Temperature
 A HighTemperature SiC ThreePhase Converter Design for >100 °C Ambient Temperature
 %u201CPlanar Inductor Structure with Variable Flux Distribution%u201D  A Benefit or Impediment?
 ChipBonding on Copper by PressureLess Sintering of Nanosilver Paste Under Controlled Atmosphere
 Thermal Characterization of Planar High Temperature Power Module Packages with Sintered Nanosilver Interconnection
 Control Loop Design of a Twostage Bidirectional AC/DC Converter for Renewable Energy Systems
 Synchronous Generatorbased Gridinterface Converter for Energy Storage Systems Integration
 Modeling the OutputImpedance Negative Incremental Resistance Behavior of GridTied Inverters
 ImpedanceBased Analysis of Active Frequency Drift Islanding Detection Method for GridTied Inverter System
 Investigation and Comparison of Cascaded Hbridge and Modular Multilevel Converter topologies for Medium Voltage Drive Applications
 Characterization and Comparison of 1.2 kV SiC Power Semiconductor Devices
 HighTemperature Characterization and Comparison of 1.2 kV SiC Power MOSFETs
 HighTemperature Characterization and Comparison of 1.2 kV SiC Power Semiconductor Devices
 Characterization and Comparison of 1.2 kV SiC Power Semiconductor Devices
 200 °CAmbient, HighPowerDensity, 50kW Power Converter for Embedded Generators with SiC Power Modules
 2013

 Improved Procedure to Design Coupled Inductors Based on Geometry Constant
 Survey of HighTemperature Polymeric Encapsulants for Power Electronic Packaging
 High Frequency 3D integrated POL Module Based on PCB Embedded Core
 Impact of Interleaving on Common Mode EMI Filter Weight Reduction of Paralleled ThreePhase VoltageSource Converters
 Impact and Compensation of Dead Time on Common Mode Elimination Modulation for NeutralPointClamped ThreePhase Inverters
 Improved Common Mode Elimination Modulation for NeutralPointClamped ThreePhase Inverters
 Size and Weight Dependence of the Single Stage Input EMI Filter on Switching Frequency for Low Voltage Bus Aircraft Applications
 EMI Filter Design and Optimization for Both AC and DC Side in a DCfed Motor Drive System
 EMI Filter Design Considering InCircuit Impedance Mismatching
 Improvement in Magnetic Material Characterization Method for Arbitrary Wave Excitation
 Threephase AC System Impedance Measurement Unit (IMU) using Chirp Signal Injection
 SmallSignal Impedance Identification of Threephase diode rectifier with multitone injection
 Application of MultiTone Approach in ThreePhase AC System Impedance Measurement
 High Frequency Isolated Bus Converter with Gallium Nitride Transistors and Integrated Transformer
 Avalanche Breakdown Design Parameters in GaN
 Evaluation of Commercial SiC and GaN Devices using Full Bridge Inverter Simulation
 Monolithic Optoelectronic Integration of GaN HighVoltage Power FETs and LEDs with a Selective Epi Removal Process
 Investigation of Pyroelectric Polarization Effect On GaN MOS Capacitors and FieldEffect Transistors
 Estimate of Avalanche Breakdown Voltage in 4HSiC
 Total Flux Minimization Control for Integrated InterPhase Inductors in Paralleled, Interleaved ThreePhase TwoLevel VoltageSource Converters With Discontinuous Spacevector Modulation
 ThreeLevel Driving Method for GaN Power Transistor in Synchronous Buck Converter
 Optimization of a High Density Gallium Nitride Based NonIsolated Point of Load Module
 Analytical Loss Model of High Voltage GaN HEMT in Cascode Configuration
 Characterization and comparison of seven different 1.2 kV SiC power semiconductor devices at high temperature
 Behavioral Comparison of Si and SiC Power MOSFETs for HighFrequency Applications
 Magnetic Composite Materials for High Frequency Application
 A Universal Adaptive Driving Scheme for Synchronous Rectification in LLC Resonant Converters
 Optimal Trajectory Control of Burst Mode for LLC Resonant Converter
 Modulation Methods Comparison for NeutralPointClamped ThreePhase Inverters
 Ripple Power Balance Analysis on Plugin Hybrid Electric Vehicle Charger with Sinusoidal Charging
 Leakage Current Reduction in Singlephase Bidirectional acdc FullBridge Inverter
 ModularMultilevelConverters Family  A Survey of Features, Topologies, Controls and Applications
 FPGABased GainScheduled Controller for Control Optimization of Resonant Converters Applied to Domestic Induction Heating
 State of the art: survey of FACTS devices
 SmallSignal Analysis and Design of Constant Frequency V^{2} Peak Control (1)
 SmallSignal Analysis and Design of Constant Frequency V^{2} Peak Control (2)
 I^{2} Average Current Mode Control for Switching Converters
 Small Signal Analysis and Design of Active Droop Control Using Current Mode Equivalent Circuit Model
 Analysis of Phase Locked Loop (PLL) Influence on DQ Impedance Measurement in Threephase AC Systems
 Design and Implementation of Threephase AC Impedance Measurement Unit (IMU) with Series and Shunt Injection
 GridSynchronization Modeling and Its Stability Analysis for MultiParalleled ThreePhase Inverter Systems
 AntiIslanding Protection in ThreePhase Converters using Grid Synchronization SmallSignal Stability
 A Droop Controller is intrinsically a PhaseLocked Loop
 Core loss Model for Rectangular AC Voltages and DC Bias Current
 EMI Terminal Modelling of DCFed Motor Drives II: Differential Mode and Total Noise
 HighFrequency Model of a Transformer for Conducted EMI Analysis
 ReliabilityOriented Design of ThreePhase Power Converters for Aircraft Applications
 Fabrication of a Doubleside Cooled, High Temperature Power Module with Sintered Nanosilver Interconnect for Automotive Applications
 Low Temperature Joining Technique of Dieattachment by Silver Sintering
 Simplification of the Nanosilver Sintering Process for Bonding LargeArea Semiconductor Chips: Reduction of HotPressing Temperature below 200°C
 Inductor Geometries with Significantly Reduced Height
 Power Cycling the IGBT Module and Zth Measurement of Die Attach
 A Testbed for Experimental Validation of a Low voltage DC Nanogrid for Buildings
 Integrated Current Sensor using Giant Magneto Resistive (GMR) Field Detector for Planar Power Module
 Evaluation and Application of 600V GaN HEMT in Cascode Structure
 PhysicsBased Analytical Model for HighVoltage Bidirectional GaN Transistor Using Lateral GaN Power HEMT
 External Ramp Autotuning for Current Mode Control of Switching Converters
 Dual Active Bridge based Battery Charger for Plugin Hybrid Electric Vehicle with Charging Current Containing Low Frequency Ripple
 Influence of PhaseLocked Loop on Input Admittance of ThreePhase Voltage Source Converters
 Transformer Shielding Technique for Common Mode Noise Reduction in Isolated Converters
 public/showcase/2013_T4.4.php
 Influence of HighFrequency NearField Coupling between Magnetic Components on EMI Filter Design
 Impact of Interleaving on EMI Noise Reduction of Paralleled Three Phase Voltage Source Converters
 A 1200 V, 60 A SiC MOSFET MultiChip PhaseLeg Module for HighTemperature, HighFrequency Applications
 PCB Embedded Magnetics Core with Improved Flake Materials
 Loss Analysis of 600V Gallium Nitride HEMT in Cascode Structure with Simulation Model
 Matrix Transformer for LLC Resonant Converters
 Optimal Trajectory Control of LLC Resonant Converters for Soft Startup
 High Switching Frequency, High Efficiency, Modularized 3level Neutral Point Clamped Phase Leg Building Block
 Small Signal Analysis of V^{2} Control Using Current Mode Equivalent Circuit Model
 Design Considerations for High Frequency Battery Charger with GaN Device
 Nonlinear Sideband Effects in SmallSignal Input dq Admittance of SixPulse Diode Rectifiers
 Overview of ThreeDimension Integration for PointofLoad Converters
 An Update on Recent Advances in Nanosilver Paste for Packaging Power Semiconductor Devices
 2012

 Inductor Structure with Improved Space Utilization
 EMI Noise Attenuation Prediction with Mask Impedance in Motor Drive Systems
 High Power Density EMI Filter Design with Consideration of Parasitics
 Optimal Trajectory Control of LLC Resonant Converter for LED PWM Dimming
 Compensation of DCLink Pulsation in SinglePhase Static Converters
 Compensation of DCLink Oscillation in SinglePhase to SinglePhase VSC/CSC and Power Density Comparison
 Compensation of DCLink Pulsation in SinglePhase Static Converters
 HighPowerDensity, HighEfficiency DC/DC Converter
 HighPowerDensity, HighEfficiency DC/DC Converter
 Novel Nonisolated LLC Resonant Converters
 Digital GainScheduled Control of a HighFrequency Parallel Resonant DCDC Converter
 A Novel Integrated MultiElements Resonant Converter
 A Novel Hybrid Packaging Structure for HighTemperature SiC Power Modules
 ThermoMechanical Reliability Investigation of Large Temperature Excursions in Power Electronics Packages
 Characterization and Design of ThreePhase EMI Noise Separators for ThreePhase Power Electronics Systems
 PhaseLocked Loop Noise Reduction via Phase Detector Implementation for SinglePhase Systems
 Simplified Optimal Trajectory Control (SOTC) for LLC Resonant Converters
 Experimental Verification of the Generalized Nyquist Stability Criterion for a Balanced Threephase Ac System in the Presence of Constant Power Loads
 Investigation of Tradeoffs Between Efficiency, Power Density and Switching Frequency in ThreePhase TwoLevel PWM Boost Rectifier
 Higher Bus Voltage Impact on Power Converter Power Density
 Laminated Low Temperature CoFired Ceramic Ferrite Materials for High Frequency POL Converters
 RBased MPPT Method for Smart Converter PV System
 InterPhase Interleaving for Balance Operation of Three Phase Voltage Source Converter with Low NonTriple Carrier Ratio
 Frequency Behavior and Its Stability of GridInterface Converter in Distributed Generation Systems
 A Novel AntiIslanding Detection Algorithm for ThreePhase Distributed Generation Systems
 CommonMode EMI Noise Reduction for GridInterface Converter in LowVoltage DC Distribution System
 Intergrid: A Future Electronic Energy Network?
 Analysis and Optimization of Smart PanelBased PV Converter System
 Analysis of EMI Terminal Modeling of Switching Power Converters
 CommonMode EMI Terminal Modelling of DCFed Motor Drives
 UnTerminated, LowFrequency TerminalBehavioral DQ Model of ThreePhase Converters
 Finite Element Analysis of Inductor Core Loss under DC Bias Condition
 Dynamic Interactions in Hybrid AC/DC Electronic Power Distribution Systems
 High Frequency High Power Density 3D Integrated Gallium Nitride Based Point of Load Module
 2011

 Power Supplies on Chip
 Untitled
 Lithiumion Energy Storage Management for DC NanoGrid System
 SmallSignal Model of a Voltage Source Inverter (VSI) Considering the DeadTime Effect and Space Vector Modulation Types
 Model for Constant Ontime V^{2} Control with Combination of Various Types of Output Capacitors
 Common Mode EMI Noise Characteristics of Low Power ACDC Converters
 Characterization of Encapsulants for HighVoltage, HighTemperature Power Electronic Packaging
 Behavioral EMI modeling for aerospace applications
 250°C SiC high density power module development
 LargeArea Chip Attachment by Sintering Nanosilver Paste: Nondestructive Characterization by Xray Imaging and Curvature Measurements
 Design of HighTemperature SiC ThreePhase ACDC Converter for >100°C Ambient Temperature
 Common Mode Noise Characteristics of Resonant Converters
 LLC Resonant Converter Burst Mode Control with Constant Burst Time and Optimal Switching Pattern
 Nonlinear, Hybrid Terminal Behavioral Modeling of a DCbased Nanogrid System
 Design Optimization of Nonuniform Flux LTCC Inductor Substrate for 3D Integrated POL
 Core Loss Model for Planar Inductor with Nonuniform Flux Pattern
 Analytical Inductance Model for Planner Inductor with Nonuniform Flux Pattern
 LLC Type Resonant Converters with Notch Filter
 A New High Frequency Core Loss Measurement Method for Arbitrary Excitations
 2010

 Investigation on Light Load Efficiency Improvement for PFC
 Effects of Soaking in Engine Coolant on Reliability of Some Joint Materials
 Parametric Simulation of the Mechanical Behavior of a DBA Substrate Directly Joined to an Aluminum Heat Exchanger
 Characterization of LeadFree Solder and Sintered NanoSilver DieAttach Layers Using Thermal Impedance
 On Zero SteadyState Error of SinglePhase PWM Inverters Voltage Control and PhaseLocked Loop System
 A Simplified Model for Tightly Coupled Transformer with Multiple Windings
 Automatic power module layout design
 Experiment using SiC DeviceBased ACDCAC Converter to Drive a PM Motor with Sensorless Control
 Predicting Low Frequency Harmonics in Voltage Source Inverter (VSI) Enhanced Average Model
 Experimental Parametric Study of the Parasitic Inductance Influence on MOSFET Switching Characteristics
 Average Modeling and Control for ThreePhase ThreeLevel NonRegenerative Rectifier with Unbalanced DC Loads
 Space Vector Sequence Comparison for LowSwitching Frequency Current Source Rectifiers
 A Twostage High Power Density Singlephase acdc Bidirectional PWM Converter for Renewable Energy System
 High Temperature SiC Power Module Electrical Evaluation Procedure
 A Unified Control for the Permanent Magnet Generator and Rectifier System
 Modeling, Simulation and Design of a VeryHighFrequency DualActiveBridge Converter
 EMI Modeling of Buck Converter using a Generalized Terminal Model
 SinglePhase vs. ThreePhase High Power High Frequency Transformers
 Characterization and Loss Estimation of Bridgebased Converter with SiC JFET
 Investigation of 1.2 kV SiC MOSFET for High Frequency High Power Applications
 Study of Conducted EMI Reduction for ThreePhase ViennaType Rectifier
 A Simplified Three Phase Threelevel ZeroCurrentTransition Active NeutralPointClamped Converter with Three Auxiliary Switches
 Common Mode Noise Characteristics of Resonant Converters
 MultiPhase Adaptive OnTime Controlled PFC for Better Light Load Efficiency and EMI Performance
 DesignOriented Model for Constant OnTime Control (V^{2} Type)
 Unified Threeterminal Switch Model for Current Mode Controls
 Optimal Transformer Design of LLC Resonant Converters
 DM EMI Noise Prediction in Constant Ontime PFC
 Transformer Structure and Its Effects on Common Mode EMI Noise in Isolated Power Converters
 Derivation of High Efficient Robust PV Inverter
 Proposed Digital Enhanced V^{2} Control for a Buck Converter with Small ESR Capacitors
 Pushing control bandwidth for less output capacitors of Sigma Voltage Regulator
 Soft Switching Buck Converter with Threeswitch Cell Structure
 Digital Implementation of Driving Scheme for Synchronous Rectification in LLC Resonant Converter
 Resonant Converter Topologies with MultiEnergy Storage Elements
 MultiChannel Constant Current (MC3) LED Driver
 A Current Sharing Method for DCDC Transformer (DCX)
 Improved Asymmetric Space Vector Modulation for Voltage Source Converters with Low Carrier Ratio
 Analysis of CM VoltSecond Influence on CM Inductor Saturation and Design for Input EMI Filters in Three Phase DCFed Motor Drive
 Investigation of Postetch Copper Residue on DBC Substrates
 PressureAssisted Sintering of Nanoscale Silver Paste
 Effects of Trace Layout and Encapsulation on Breakdown Voltage in PCB
 Characterization of Encapsulants for HighVoltage, HighTemperature Power Electronic Packaging
 Thermomechanical Reliability of Nanoscale Silver Paste for LargeArea Device Attachment
 Residual Stress in LargeArea Device Attachment
 Thermal Design of Power Module to Minimize Peak Transient Temperature
 Creep behavior of sintered nanosilver paste
 Drying and Densification Kinetics of a Lowtemperature Sinterable Nanosilver Dieattach Paste
 Future Home DCbased Renewable Energy nanoGrid System
 2009

 Characterizations and Modeling of SiC MOSFET
 High Efficiency CLL Resonant Converter with Synchronous Rectifier
 Flying Capacitor Voltage Balancing Method by Sensing Inductor Current
 New Loss Measurement Method For High Frequency Magnetic Core
 Transformer Optimization of DCX for Higher Efficiency and Less Output Capacitors of Sigma Voltage Regulator
 High Density Low Profile Coupled Inductor Design for Integrated PointofLoad Converter
 Common Mode Circulating Current Control of Interleaved ThreePhase TwoLevel VoltageSource Converters with Discontinuous SpaceVector Modulation
 Hybrid Active and Passive EMI Filter
 Modular Terminal Behavioral EMI Modeling
 Three Phase AC Impedance Tester
 High Frequency Transformer Design for CPU and Telecommunications Applications
 Energy Storage Capacitor Reduction for Single Phase PWM Rectifier
 Modeling and Simulation of a HighTemperature SiC JFET/JBS Power Electronics Building Block
 Design Considerations of a Fast 0Ω GateDrive Circuit for 1.2 kV SiC JFET Devices in PhaseLeg Configuration
 Investigation of SiC MOSFET for High Switching Frequency Applications
 SoftSwitching Buck Converter with QuasiResonant Operation
 Improved Phase Detection for SinglePhase, PhaseLocked Loops
 SinglePhase Islanding Detection using PLL Stability
 Plugin Hybrid Electric Vehicle Grid Interconnection and Control
 2008

 Modeling of Distributed Power Electronics Systems
 Modeling and Control Design of ACDC Singlephase Bidirectional PWM Converter
 Voltage Control of Singlephase PWM Inverter
 Characterizations and Modeling of SiC JFET
 Very High Speed DoublePulse Tester
 High Temperature Planar High Density Power Module
 High Temperature Wirebond Power Module
 Improved Direct Bond Copper (DBC) Substrate for High Temperature Packaging
 10 kW High Power Density ThreePhase ACDCAC Converter Using SiC Devices
 Hybrid CM and DM Inductor Design for EMI Filter
 Internal Fault Detection and Isolation for Paralleled Voltage Source Converters
 Interleaving Impact on AC Passive Components of Paralleled ThreePhase VoltageSource Converters
 Hybrid Autonomous Electric Power System Testbed
 HighEfficiency "Sigma" Voltage Regulator
 Modeling of Constant Ontime Control (V^{2} Type) (2008)
 Effects of Mutual Couplings on Inductor's Performance
 Integration of Parasitic Cancellation Techniques for EMI Filter Design
 Investigating the Grounding of EMI Filters to Improve its CM Noise Attenuation
 Active EMI Filter and Its Applications in Motor Drive
 CM noise reduction in interleaved multiphase PFC
 CM Noise Reduction with Symmetric Topology
 Reducing High Frequency CM Noise in Balanced PFC
 HighPowerDensity Electronic Ballast for Low Wattage HID lamps
 EPC cancellation technique for EMI filter
 2007

 Integrated Busbar TransmissionLine EMI Filter Achieves 40 dB Attenuation
 FlexPower  Flexible Interconnect Technology for Power Packaging
 ThreeDimensional Integration of Power Supply Module
 HighVoltage Reverse Blocking Integrated GaN MOSFET/Schottky Rectifier
 Blackbox ModularTerminalBehavioral Modeling of Power Electronics Converters
 CPES Legacy: Integrated System Approach Transforms the Power Electronics Discipline
 SelfDriven ZVS Singlephase Buck (2007)
 High efficiency Sigma VRs (2007)
 Modeling of Constant Ontime Control (2007)
 Reducing magnetic size by coupling for high frequency integrated POL converter (2007)
 Low profile inductor with lateral flux for 3D integrated POL (2007)
 Interleaving MultiChannel PFC with Improved Light Load Efficiency (2007)
 Novel MultiElement Resonant Converters (2007)
 Cancellation of CM Parasitic Capacitance for CM Noise Reduction
 EMI Filter Size Reduction using Balance in PFC converters
 CM noise reduction in bridgeless PFC converter
 Ultra Compact Ballast for Low Wattage HID lamps
 Integrated ignitor for HID ballast
 Integrated EMI filter for HID ballast
 High efficiency σ/Sigma FrontEnd DC/DC (2007)
 Drives Integration Technologies
 3D Integrated Power Technology
 Recognition of the Nanoscale Silver Paste Technology and its Successful Transfer to Industry (2007)
 2006

 Electromagnetic Noise Containment with Integrated Planar Power Connection
 Reliable ConductorSemiconductor Interface for HighTemperature Packaging
 World's Best Enhancement Mode, InversionType GaN MOSFETs
 EMI Filter Improvement: Cancellation of Winding Capacitance of Filter Inductor
 Digital Control
 Inexpensive, compact, high performance integrated current sensing
 Sensorless Vector Control of Permanent Magnet Electrical Machines and THALIPEM Demonstration
 Shortcircuit fault tolerant compensation for PMAC machines
 EMI Cancellation with Balance Technique
 Active StandardCell Integrated Power Electronics Module (SCIPEM)
 Axial flux permanent magnet machine with fieldweakening capability
 A complete 3D integration of power supply for nonisolated pointofload applications extending up to 30 Watts (2006)
 MediumSized Equivalent Circuits for Efficient Modeling of ElectroThermal Behavior
 Evaluation of coupled inductor VR (2006)
 Novel CurrentMode Digital Control Architecture (2006)
 New Digital Control Architecture (2006)
 Three Level Buck Converter for High Density POL (2006)
 An ultralow profile power supply for nonisolated pointofload applications (2006)
 Novel Interleaved Hysteretic Control for VR (2006)
 High Efficiency Power Architecture (DPA) for Servers (2006)
 Asymmetrical Interleaving Strategy for MultiChannel PFC (2006)
 A Novel Driving Scheme of Synchronous Rectifiers Suitable for LLC Resonant Converters (2006)
 Negative Capacitance and its Applications in Parasitic Capacitance Cancellation
 Boost PFC Noise Model and its Applications in Balance PFC
 DCtoDC Module for Future Server Power Architecture
 Investigation of High Frequency and High Efficiency Power Converter Technologies Using Advance Power Semiconductor Device
 StandardCell, OpenArchitecture Power Conversion Systems
 Multidisciplinary Team Effort on HighTemperature Packaging of SiC Power Devices (2006)
 2005

 A New Class of EMI Filter IPEMs
 Integrated Modular Motor Drive (IMMD)
 Novel MultiPhase CoupledInductor and Current Sensing
 Axial flux machine using soft magnetic composite materials
 HighVoltage FrontEnd DC/DC Converter for DPS (2005)
 Beatfrequency oscillation in multiphase converters
 Integrated DoubleSided Cooling
 New Digital Control Architecture
 Integrated magnetics and dielectrics for 100 kHz  10 MHz EMI filter
 Maximizing reliability and device utilization via sensing and control of junction temperature in power converters
 Distributed control architecture for IMMD that coordinates all of the independent phaseleg controllers, providing robust control properties and fault tolerance
 Multiferroic composite serving as a multifunctional substrate for monolithic integration of capacitive and magnetic elements
 Efficient Heat Extraction by Fluidic Channel Cooling
 DCR current sensing for coupled inductor VR (2005)
 High Density Voltage Divider (2005)
 Predicting Large BeatFrequency Oscillations (2005)
 High Resolution DPWM Schemes (Part I) (2005)
 High Resolution DPWM Schemes (Part II) (2005)
 Integrated magnetics and dielectrics for EMI filter (2005)
 MultiChannel Interleaved PFC (2005)
 MHz High Efficiency High Power Density LLC Resonant Converters with SR (2005)
 Cancelling the Equivalent Parallel Capacitance (EPC) of DM Inductors
 Cancelling the Equivalent Parallel Capacitance (EPC) of CM Inductors
 Interactions between EMI Filters and Power Interconnects on EMI Filter's Performance
 2004

 Augmented Phaseleg Configuration
 A New Way of Powering Information Technology
 Nanoscale Dieattach Technology for Hightemperature Packaging of Power Devices
 Multidisciplinary Software Integration  Tools for Power Electronics
 THALIPEM
 Powering Information Technology
 Multifrequency model and its application on beatfrequency oscillation
 Resonant Synchronous Rectification (2004)
 Nanoscale material technology for interconnecting semiconductor devices with high heat dissipation and high temperature capability
 SiC LCJBS Rectifier
 IGBTs and monolithic IGBT/diodes with pilot current sensors, including control techniques for using them to achieve highperformance current regulation in AC motor drives
 Digital control in power supply applications
 Twisted core coupled inductor for the microprocessor VR (2004)
 System Twostage Power Architecture for Laptop (2004)
 Light Load Efficiency Enhancement for Laptop (2004)
 Light Load Efficiency Improvement for Laptop VRs (2004)
 Proposed MultiFrequency Model (2004)
 Solution for efficiency limitation imposed by input decoupling capacitor in nonisolated DC/DC converters (2004)
 Extraction of Parasitic Parameters Using Scattering Parameters
 Reduction of the Mutual Couplings between Two Capacitors with Cancellation Turn
 Cancelling the Equivalent Series Inductance (ESL) of Capacitors
 Parasitic Cancellation for TwoStage EMI filters
 Extraction of the Parasitic Model for Integrated EMI Filters
 Characterization, Evaluation and Design of Noise Separator for Conducted EMI Diagnosis
 Nanoscale Silver Paste and Its Lowtemperature Sintering for Chip Attachment (2004)
 2003

 A New Power Management Architecture for Laptop Computers
 HighFrequency Brick Type DC/DC Converters
 New Power Management Architecture for Laptop Computers
 Modular and hierarchical modeling of electronic power distribution systems for system architecture design and optimization with respect to size, efficiency, and reliability
 PEBB Technology
 Digital Generator Control Unit (GCU)
 Multidisciplinary software integration for solid body based mechanical, thermal, electromagnetic, and electrical design of power electronics modules and converters
 ZVS SelfDriven 12V VRM
 Current Tripler Rectification (CTR) for ultrahigh current application
 Autotransformer Rectifier Units (ATRU)
 EMI Filter Improvement: Cancellation of Mutual Coupling Between Filter Capacitors
 Converter design optimization using genetic algorithm
 3D Integration Process based on lowtemperature cofired ceramic for realizing integrated power supplies
 InputSide Current Sensing Method (2003)
 CPES Developed SelfDriven ZVS VRM (2003)
 SingleStage vs. TwoStage for 12V VRM (2003)
 System Twostage VR for future server microprocessors (2003)
 Proposed Power Architecture Change (2003)
 TwoStage Solution Employed for Laptop (2003)
 Development of an Integrated DPS FrontEnd AC/DC Converter (19982008)
 Integrated inductor, capacitor, and transformer (2003)
 Integration of Frontend AC/DC Converter
 Modeling Single Layer Boost PFC Inductor
 Effects of Boost Inductor on DM Noise of PFC
 Effects of Mutual Couplings on Capacitor's Performance
 Reduction of the Mutual Couplings between Inductor and Capacitor with Rotated Inductor Winding
 Effects of Mutual Couplings between Two Capacitors on EMI Filter Performance
 Advanced High Power Conversion Systems for EMALS/EARS Phase I  State of the Art, Development and Baseline Metrics
 Design and Optimization of General Purpose Industrial Drives Power Section
 2002

 Change in distributed power architecture and eliminating the use of highly customized DCDC converters
 Intermediate Bus Converters
 A New Tool for Reliability Analysis of Designs for NextGeneration Power Electronics Packages
 Integrated Power Electronics Module (IPEM) (2002)
 Improved Packaging: NonWire Bond Integrated (2002)
 Separated Source Concept for High Efficiency Buck (2002)
 Selfdriven ZVS FB Converter 48V DCDC Applications (2002)
 Current Tripler (2002)
 TwoStage Solution For Intel Itanium Processor (2002)
 Impact to Telecommunication Industries
 2001
 2000
 1999
 1998
 1997