Recent Approaches to Develop High Frequency Power Converters
|
|
- Brett Heath
- 5 years ago
- Views:
Transcription
1 The 1 st Symposium on SPC (S 2 PC) 17/1/214 Recent Approaches to Develop High Frequency Power Converters Location Fireworks Much snow Tokyo Nagaoka University of Technology, Japan Prof. Jun-ichi Itoh Dr. Koji Orikawa (Presenter) 1
2 Power electronics laboratory Objectives Efficiency improvement & size reduction of all kinds of power sources. Research Subjects Four directions of energy conversion AC to AC AC to DC Power Electronics Laboratory DC to AC DC to DC Save the earth - Circuit topologies and control technique - Optimization of the circuit design - Development of directional technology on applications Members Associate Professor: Jun-ichi Itoh PD: 1, Ph. D: 9, M:12, B: 5 => Total: 28 persons Power Electronics saves the Earth 2
3 Field of our research Grid connected inverter Power decoupling Three Ph. D students -PV inverter, Micro inverter -Matrix converter for wind turbines -Multi-level converter -PFC( Active buffer ) etc. Theme Motor Three Ph. D students High switching frequency converter Three Ph. D students Today s contents - Motor drive(im, PMSM) - Motor design(pm) - Parameter identification method - Flywheel energy storage system - PCB implementation techniques - Applications of SiC and GaN - DC-DC converter - Gate drive circuit - Wireless power transfer - Pulse density modulation etc. etc. 3
4 High switching frequency power conversion Key technology Fundamental technologies DC bus bar analysis in printed circuit boards (PCBs) High speed & Low power consumption gate drivers Applications High switching frequency Wireless power transfer for gate drive supplies of a medium-voltage inverter High power density PWM Inverter with wide band-gap devices Frequency multiplying circuit for MHz output frequency Today s contents Wireless charger for electric assisted bicycle using EDLCs Wireless power transfer with a Rail system Several-Hundred-kHz Single-phase to Commercial Frequency Three-phase Matrix Converter 4
5 Multiple gate drive supplies of a medium voltage inverter Conventional: Special isolated transformers are used Problems - High cost and bulky due to custom designs - Reduction of parasitic capacitances is difficult Proposed method Multiple wireless power transfer with transmission coils on PCBs for multiple gate driver supplies Only PCBs are used without solid magnetic cores S 1 S 2 S 3 S 4 v inv f sw = 2 MHz f = 2MHz Transmission board #1 C 1 v in1 C D 1-4 Cost reduction & Downsizing of the isolation system Primary Secondary Insulation air-gap:5 mm #2 #3 #6 v out1 Receiver boards (6ch) MV Inv. GDU GDU 5
6 System configuration of wireless multiple power transfer 5mm Substrate spacing:5 mm Clearance and creepage distance are secured 5mm Transmission board # High frequency INV (2MHz) Series resonance capacitor C Transmission coil S 1 S 2 Receiver boards #1~#6 5mm 48V S 3 S 4 4 Controller C v inv f sw = 2 MHz 3mm 15mm Diode bridge rectifier Series resonance capacitor C 1 Receiver coil C 1 v in1 6 mm 6
7 Experimental results (Operation with gate drivers) GDU 1 #1 v out1 +15V Transmitting board C 1 DC # DC G 1 S 1 S 2 C 1 =7 pf D V PWM1 C S 3 S 4 #2 GDU 2 G 1 33nF Gate drivers are connected Capacitors are connected assuming IGBTs 48V G f sw = 2.18 MHz C =13 pf #3 #6 Inverter output voltage (Transmitting board) v inv 5 [V/div] Input voltage (Receiving board #1) v in1 25 [V/div] Output voltage (Receiving board #1) v out1 1 [V/div] Gate-emitter voltage (Receiving board #1) v GE1 2 [V/div] GDU 3 GDU 6 1kHz, ±15V Operation waveforms Enlarged view 5 [us/div] 2[nsec/div] A switching operation on all of receiver boards is confirmed v GE1 5 [V/div] 2 [ns/div] 7
8 GaN-FET Inverter & EMC filter Grid GaN-FET GaN-FET EMC filter PWM PWM Rectifier Inverter GaN-FET Inverter Motor drive system using GaN-FET M Motor Advantage of GaN-FET Fast switching L C L D GaN-FET inverter Use a PWM rectifier Sinusoidal input current C X C Y Single stage EMC filter Downsizing High frequency switching Reduce the ripple current Miniaturize the EMC filter by using high frequency carrier 8
9 Relationship between volume and carrier frequency Volume EMC filter Cooling system Carrier frequency Volume of the system Grid LISN EMC filter PWM rectifier Heat sink PWM inverter RL load Stray capacitance Conduction noise measurement system Estimate the conduction noise GaN-FET inverter system with high frequency carrier High frequency noise Large switching loss Smaller EMC filter Larger cooling system Each volume is calculated based on the simulation results Relationship between the carrier frequency and the total volume of GaN-FET inverter system is evaluated 9
10 Relationship between efficiency and power density 96 High efficiency(f carrier =15 khz) High efficiency High power density Efficiency [%] f carrier =15kHz Single stage f carrier =3kHz f carrier =45kHz Three stages Two stages High power density (f carrier =3 khz) High efficiency High power density f carrier =6kHz Power density [kw/dm 3 ] :f carrier =15 khz :f carrier =3 khz EMC filter should be constructed by two stage filter in order to achieve high power density and high efficiency 1
11 MHz band high-frequency power converter Applications Charger Receiver antenna Battery Transmission antenna Generation of plasma Induction heating Wireless power transfer Grid Wireless power transfer HF power source (Target) Transmission antenna 13.56MHz 13.56MHz DC Rectifier Receiver antenna Battery DC load Requirements for HF power source >High frequency >High efficiency >Downsizing 11
12 Conventional method of high-frequency power converter Linear amplifier method Vacuum tube, Power Transistor >Electromagnetic interference (EMI): Low >Efficiency : Low >Cooling system : Large size Switching amplification method Power MOSFET >Efficiency : High >Cooling system : Downsizing Employing wide band gap semiconductors : Silicon carbide(sic), Gallium nitride(gan) >Fast switching, low power loss >Implementation of gate drive unit (GDU) : Complicated >Control gate-source voltage : Difficult Ex) Class A, AB, C, etc 12 npn pnp
13 Concept of the proposed circuit and purpose of this study Concept Simple method Without wide band gap semiconductors, only conventional Si devices are used >Conventional GDU can be used High output frequency over switching frequency Frequency multiplying method is adopted Low switching frequency High efficiency Simple I u V DC 2 S pu S pv S pw S px S py V uo V DC V DC 2 o S nu u S nv v S nw w S nx x S ny y V out 13
14 Proposed circuit Frequency multiplying method - 1. Multiphase inverter with square wave drive using shifted gate signal 2. Multicore transformer is adopted Sum of the inverter output voltage can achieve high output frequency V DC V DC 2 V DC 2 o S pu S nu u S pv S nv 1. Multi-phase inverter Square wave drive v S pw S nw w S px S nx x S py S ny I u y V uo V out 2. Multi-core transformer Primary : Parallel connection Secondary: Series connection U-phase voltage V-phase voltage W-phase voltage X-phase voltage Y-phase voltage Output voltage V DC /2 -V DC /2 V DC /2 -V DC /2 V DC /2 -V DC /2 V DC /2 -V DC /2 V DC /2 -V DC /2 V DC /2 -V DC /2 f out = N*f sw Ex.) f out = 2.5 MHz, N = 5 f out = 5 khz V uo V vo V wo V xo V yo V out 72 deg. T sw /5 72 deg. T sw 72 deg. 72 deg. 14
15 Applying series resonance using resonance capacitance Multi-phase inverter V DC S p p u u S py u 2 v V vo V DC w o S x n y V out V DC 2 n S n n u u u Su ny Leakage inductance V uo V wo V xo Resonance capacitor Sinusoidal voltage V yo A resonance capacitance is connected to the secondary side of multicore transformer Leakage inductance is effectively used for sinusoidal output voltage 15
16 Experimental results (Series resonance, f out =2.5MHz) rms value 6 5 (b) Load voltage Vload [V] (a) R load : 33 W R load : 1 W High output R load : 5 W Resonance capacitance C r [pf] Load voltage and current Almost sinusoidal waveform Output voltage is changed by resonance capacitance value U phase voltage V uo (1V/div) U phase current I u (2A/div) Load voltage V load (1V/div) Output current I out (1A/div) U phase voltage V uo (1V/div) U phase current I u (2A/div) Output voltage V out (1V/div) Output current I out (1A/div) Load resistance: Small Quality factor for resonance: Large > Output voltage: Decreased 4 (ns) (a) R load : 5W (C r :1pF) 4 (ns) (b) R load : 33W (C r :1pF) 16
17 Conclusion Power loss calculation (Semiconductors, passive components) Clarification of design methods Applications High frequency switching Printed circuit board design Volume estimation (Passive components, heat sinks) Combination Wireless power transfer for gate drive supplies of a medium-voltage inverter High power density PWM inverter with wide band-gap devices Frequency multiplying circuit for MHz output frequency etc. 17
High-efficiency of MHz Inverter Constructed from Frequency Multiplying Circuit
High-efficiency of MHz Inverter Constructed from Frequency Multilying Circuit Koji Orikawa, Jun-ichi Itoh Deartment of Electrical Engineering Nagaoka University of Technology Nagaoka, Jaan orikawa@vos.nagaokaut.ac.j
More informationGaN in Practical Applications
in Practical Applications 1 CCM Totem Pole PFC 2 PFC: applications and topology Typical AC/DC PSU 85-265 V AC 400V DC for industrial, medical, PFC LLC 12, 24, 48V DC telecomm and server applications. PFC
More informationExperimental Verification of Wireless Charging System for Vehicle Application using EDLCs
Experimental Verification of Wireless Charging System for Vehicle Application using Jun-ichi Itoh, Kenji Noguchi and Koji Orikawa Department of Electrical, Electronics and Information Engineering Nagaoka
More informationThe Quest for High Power Density
The Quest for High Power Density Welcome to the GaN Era Power Conversion Technology Drivers Key design objectives across all applications: High power density High efficiency High reliability Low cost 2
More informationVIENNA Rectifier & Beyond...
VIENNA Rectifier & Beyond... Johann W. Kolar et al. Swiss Federal Institute of Technology (ETH) Zurich Power Electronic Systems Laboratory www.pes.ee.ethz.ch VIENNA Rectifier & Beyond... J. W. Kolar, L.
More informationExperimental Verification of High Frequency Link DC-AC Converter using Pulse Density Modulation at Secondary Matrix Converter.
Experimental erification of High Frequency Link DC-AC Converter using Pulse Density Modulation at Secondary Matrix Converter. Jun-ichi Itoh, Ryo Oshima and Hiroki Takahashi Dept. of Electrical, Electronics
More informationReduction in Radiation Noise Level for Inductive Power Transfer System with Spread Spectrum
216963 Reduction in Radiation Noise Level for Inductive Power Transfer System with Spread Spectrum 16mm Keisuke Kusaka 1) Kent Inoue 2) Jun-ichi Itoh 3) 1) Nagaoka University of Technology, Energy and
More informationPower Electronics for Inductive Power Transfer Systems
Power Electronics for Inductive Power Transfer Systems George Kkelis g.kkelis13@imperial.ac.uk Power Electronics Centre Imperial Open Day, July 2015 System Overview Transmitting End Inductive Link Receiving
More informationWhite Paper. Gate Driver Optocouplers in Induction Cooker. Load Pot. Control. AC Input. Introduction. What is Induction Cooking?
Gate Driver Optocouplers in Induction Cooker White Paper Introduction Today, with the constant search for energy saving devices, induction cookers, already a trend in Europe, are gaining more popularity
More informationPC Krause and Associates, Inc.
Common-mode challenges in high-frequency switching converters 14 NOV 2016 Nicholas Benavides, Ph.D. (Sr. Lead Engineer) 3000 Kent Ave., Suite C1-100 West Lafayette, IN 47906 (765) 464-8997 (Office) (765)
More informationAn Experimental Verification and Analysis of a Single-phase to Three-phase Matrix Converter using PDM Control Method for High-frequency Applications
An Experimental Verification and Analysis of a Single-phase to Three-phase Matrix Converter using PDM Control Method for High-frequency Applications Yuki Nakata Nagaoka University of Technology nakata@stn.nagaokaut.ac.jp
More informationPIEZOELECTRIC TRANSFORMER FOR INTEGRATED MOSFET AND IGBT GATE DRIVER
1 PIEZOELECTRIC TRANSFORMER FOR INTEGRATED MOSFET AND IGBT GATE DRIVER Prasanna kumar N. & Dileep sagar N. prasukumar@gmail.com & dileepsagar.n@gmail.com RGMCET, NANDYAL CONTENTS I. ABSTRACT -03- II. INTRODUCTION
More informationMiniaturized High-Frequency Integrated Power Conversion for Grid Interface
Massachusetts Institute of Technology Laboratory for Electromagnetic and Electronic Systems Miniaturized High-Frequency Integrated Power Conversion for Grid Interface David J. Perreault Seungbum Lim David
More informationExperimental Verification of an EMC Filter Used for PWM Inverter with Wide Band-Gap Devices
Experimental Verification of an EMC Filter Used for PWM Inverter with Wide Band-Gap Devices Jun-ichi Itoh, Takahiro Araki and Koji Orikawa Department of Electrical, Electronics and Information Engineering
More informationModeling of Conduction EMI Noise and Technology for Noise Reduction
Modeling of Conduction EMI Noise and Technology for Noise Reduction Shuangching Chen Taku Takaku Seiki Igarashi 1. Introduction With the recent advances in high-speed power se miconductor devices, the
More informationSiC MOSFETs Based Split Output Half Bridge Inverter: Current Commutation Mechanism and Efficiency Analysis
SiC MOSFETs Based Split Output Half Bridge Inverter: Current Commutation Mechanism and Efficiency Analysis Helong Li, Stig Munk-Nielsen, Szymon Bęczkowski, Xiongfei Wang Department of Energy Technology
More informationUnlocking the Power of GaN PSMA Semiconductor Committee Industry Session
Unlocking the Power of GaN PSMA Semiconductor Committee Industry Session March 24 th 2016 Dan Kinzer, COO/CTO dan.kinzer@navitassemi.com 1 Mobility (cm 2 /Vs) EBR Field (MV/cm) GaN vs. Si WBG GaN material
More informationUnderstanding and Optimizing Electromagnetic Compatibility in Switchmode Power Supplies
Understanding and Optimizing Electromagnetic Compatibility in Switchmode Power Supplies 1 Definitions EMI = Electro Magnetic Interference EMC = Electro Magnetic Compatibility (No EMI) Three Components
More informationHighly-Reliable Fly-back-based PV Micro-inverter Applying Power Decoupling Capability without Additional Components
Highly-Reliable Fly-back-based P Micro-inverter Applying Power Decoupling Capability without Additional Components Hiroki Watanabe, Nagaoka University of technology, Japan, hwatanabe@stn.nagaopkaut.ac.jp
More informationIN THE high power isolated dc/dc applications, full bridge
354 IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 21, NO. 2, MARCH 2006 A Novel Zero-Current-Transition Full Bridge DC/DC Converter Junming Zhang, Xiaogao Xie, Xinke Wu, Guoliang Wu, and Zhaoming Qian,
More informationExperimental Verification of EMC Filter Used for PWM Inverter with Wide Band-Gap Devices
IEEJ Journal of Industry Applications Vol.4 No.3 pp.212 219 DOI: 10.1541/ieejjia.4.212 Paper Experimental Verification of EMC Filter Used for PWM Inverter with Wide Band-Gap Devices Jun-ichi Itoh a) Member,
More informationGate Drive Optimisation
Gate Drive Optimisation 1. Background Driving of gates of MOSFET, IGBT and SiC/GaN switching devices is a fundamental requirement in power conversion. In the case of ground-referenced drives this is relatively
More informationTwo-output Class E Isolated dc-dc Converter at 5 MHz Switching Frequency 1 Z. Pavlović, J.A. Oliver, P. Alou, O. Garcia, R.Prieto, J.A.
Two-output Class E Isolated dc-dc Converter at 5 MHz Switching Frequency 1 Z. Pavlović, J.A. Oliver, P. Alou, O. Garcia, R.Prieto, J.A. Cobos Universidad Politécnica de Madrid Centro de Electrónica Industrial
More informationSystem Design of Electric Assisted Bicycle using EDLCs and Wireless Charger
System Design of Electric Assisted Bicycle using EDLCs and Wireless Charger Jun-ichi Itoh, Kenji Noguchi and Koji Orikawa Department of Electrical, Electronics and Information Engineering Nagaoka University
More informationDesigning High density Power Solutions with GaN Created by: Masoud Beheshti Presented by: Xaver Arbinger
Designing High density Power Solutions with GaN Created by: Masoud Beheshti Presented by: Xaver Arbinger Topics Why GaN? Integration for Higher System Performance Application Examples Taking GaN beyond
More informationDetermination of EMI of PWM fed Three Phase Induction Motor. Ankur Srivastava
Abstract International Journal of Technical Innovation in Modern Engineering & Science (IJTIMES) Impact Factor: 3.45 (SJIF-2015), e-issn: 2455-2584 Volume 3, Issue 05, May-2017 Determination of EMI of
More informationPerformance Evaluation of GaN based PFC Boost Rectifiers
Performance Evaluation of GaN based PFC Boost Rectifiers Srinivas Harshal, Vijit Dubey Abstract - The power electronics industry is slowly moving towards wideband semiconductor devices such as SiC and
More informationGate drive card converts logic level turn on/off commands. Gate Drive Card for High Power Three Phase PWM Converters. Engineer R&D
Gate Drive Card for High Power Three Phase PWM Converters 1 Anil Kumar Adapa Engineer R&D Medha Servo Drive Pvt. Ltd., India Email: anilkumaradapa@gmail.com Vinod John Department of Electrical Engineering
More informationIntroduction to Rectifiers and their Performance Parameters
Electrical Engineering Division Page 1 of 10 Rectification is the process of conversion of alternating input voltage to direct output voltage. Rectifier is a circuit that convert AC voltage to a DC voltage
More informationConventional Single-Switch Forward Converter Design
Maxim > Design Support > Technical Documents > Application Notes > Amplifier and Comparator Circuits > APP 3983 Maxim > Design Support > Technical Documents > Application Notes > Power-Supply Circuits
More informationGaN Power ICs at 1 MHz+: Topologies, Technologies and Performance
GaN Power ICs at 1 MHz+: Topologies, Technologies and Performance PSMA Industry Session, Semiconductors Dan Kinzer, CTO/COO dan.kinzer@navitassemi.com March 2017 Power Electronics: Speed & Efficiency are
More informationThe First Step to Success Selecting the Optimal Topology Brian King
The First Step to Success Selecting the Optimal Topology Brian King 1 What will I get out of this session? Purpose: Inside the Box: General Characteristics of Common Topologies Outside the Box: Unique
More informationHigh-Power-Density 400VDC-19VDC LLC Solution with GaN HEMTs
High-Power-Density 400VDC-19VDC LLC Solution with GaN HEMTs Yajie Qiu, Lucas (Juncheng) Lu GaN Systems Inc., Ottawa, Canada yqiu@gansystems.com Abstract Compared to Silicon MOSFETs, GaN Highelectron-Mobility
More informationA Highly Versatile Laboratory Setup for Teaching Basics of Power Electronics in Industry Related Form
A Highly Versatile Laboratory Setup for Teaching Basics of Power Electronics in Industry Related Form JOHANN MINIBÖCK power electronics consultant Purgstall 5 A-3752 Walkenstein AUSTRIA Phone: +43-2913-411
More informationImprovement of Light Load Efficiency for Buck- Boost DC-DC converter with ZVS using Switched Auxiliary Inductors
Improvement of ight oad Efficiency for Buck- Boost DC-DC converter with ZVS using Switched Auxiliary Inductors Hayato Higa Dept. of Energy Environment Science Engineering Nagaoka University of Technology
More informationPower of GaN. Enabling designers to create smaller, more efficient and higher-performing AC/DC power supplies
Power of GaN Enabling designers to create smaller, more efficient and higher-performing AC/DC power supplies Steve Tom Product Line Manager, GaN Products stom@ti.com Solving power and energy-management
More informationIn Search of Powerful Circuits: Developments in Very High Frequency Power Conversion
Massachusetts Institute of Technology Laboratory for Electromagnetic and Electronic Systems In Search of Powerful Circuits: Developments in Very High Frequency Power Conversion David J. Perreault Princeton
More informationEfficiency Improvement of High Frequency Inverter for Wireless Power Transfer System Using a Series Reactive Power Compensator
IEEE PEDS 27, Honolulu, USA 2-5 December 27 Efficiency Improvement of High Frequency Inverter for Wireless Power Transfer System Using a Series Reactive Power Compensator Jun Osawa Graduate School of Pure
More informationHardware Implementation of MOSFET Based High Frequency Inverter for Induction Heating
Hardware Implementation of MOSFET Based High Frequency Inverter for Induction Heating 1# Prof. Ruchit R. Soni, 1* Prof. Hirenkumar D. Patel, 2 Mr. N. D. Patel, 3 Mahendra Rathod 1 Asst. Prof in EEE Department,
More informationGaN Power ICs: Integration Drives Performance
GaN Power ICs: Integration Drives Performance Stephen Oliver, VP Sales & Marketing stephen.oliver@navitassemi.com Bodo s Power Conference, Munich December 5 th, 2017 Navitas Semiconductor Inc. World s
More informationA Dual Half-bridge Resonant DC-DC Converter for Bi-directional Power Conversion
A Dual Half-bridge Resonant DC-DC Converter for Bi-directional Power Conversion Mrs.Nagajothi Jothinaga74@gmail.com Assistant Professor Electrical & Electronics Engineering Sri Vidya College of Engineering
More informationChapter 1: Introduction
1.1. Introduction to power processing 1.2. Some applications of power electronics 1.3. Elements of power electronics Summary of the course 2 1.1 Introduction to Power Processing Power input Switching converter
More informationLecture 19 - Single-phase square-wave inverter
Lecture 19 - Single-phase square-wave inverter 1. Introduction Inverter circuits supply AC voltage or current to a load from a DC supply. A DC source, often obtained from an AC-DC rectifier, is converted
More informationPOWER INVERTERS IN FORM OF MICROMODULE WITH DIRECT LIQUID COOLING.
POWER INVERTERS IN FORM OF MICROMODULE WITH DIRECT LIQUID COOLING Alexander Krainyukov 1, Rodions Saltanovs 2 1 SIA ElGoo Tech, Latvia; 2 Riga Technical University, Latvia krainukovs.a@tsi.lv Abstract.
More informationGaN is Crushing Silicon. EPC - The Leader in GaN Technology IEEE PELS
GaN is Crushing Silicon EPC - The Leader in GaN Technology IEEE PELS 2014 www.epc-co.com 1 Agenda How egan FETs work Hard Switched DC-DC converters High Efficiency point-of-load converter Envelope Tracking
More informationApplication Note AN- 1094
Application Note AN- 194 High Frequency Common Mode Analysis of Drive Systems with IRAMS Power Modules Cesare Bocchiola Table of Contents Page Section 1 : Introduction...2 Section 2 : The Conducted EMI
More informationA Double ZVS-PWM Active-Clamping Forward Converter: Analysis, Design, and Experimentation
IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 16, NO. 6, NOVEMBER 2001 745 A Double ZVS-PWM Active-Clamping Forward Converter: Analysis, Design, and Experimentation René Torrico-Bascopé, Member, IEEE, and
More informationTopologies for Optimizing Efficiency, EMC and Time to Market
LED Power Supply Topologies Topologies for Optimizing Efficiency, EMC and Time to Market El. Ing. Tobias Hofer studied electrical engineering at the ZBW St. Gallen. He has been working for Negal Engineering
More informationDevelopment of Inductive Power Transfer System for Excavator under Large Load Fluctuation
Development of Inductive Power Transfer System for Excavator under Large Load Fluctuation -Consideration of relationship between load voltage and resonance parameter- Jun-ichi Itoh, Kent Inoue * and Keisuke
More informationClass D Audio Amplifier Design
Class D Audio Amplifier Design Class D Amplifier Introduction Theory of Class D operation, topology comparison Gate Driver How to drive the gate, key parameters in gate drive stage MOSFET How to choose,
More informationDesign considerations for a Half- Bridge LLC resonant converter
Design considerations for a Half- Bridge LLC resonant converter Why an HB LLC converter Agenda Configurations of the HB LLC converter and a resonant tank Operating states of the HB LLC HB LLC converter
More informationWide Band-Gap (SiC and GaN) Devices Characteristics and Applications. Richard McMahon University of Cambridge
Wide Band-Gap (SiC and GaN) Devices Characteristics and Applications Richard McMahon University of Cambridge Wide band-gap power devices SiC : MOSFET JFET Schottky Diodes Unipolar BJT? Bipolar GaN : FET
More informationDevelopment of 13-V, 5000-A DC Power Supply with High-Frequency Transformer Coupling Applied to Electric Furnace
Development of 13-V, 5-A DC Power Supply with High-Frequency Transformer Coupling Applied to Electric Furnace Toshihiko Noguchi, Senior Member, Kosuke Nishiyama Department of Electric, Electronics, and
More informationBreaking Speed Limits with GaN Power ICs March 21 st 2016 Dan Kinzer, COO/CTO
Breaking Speed Limits with GaN Power ICs March 21 st 2016 Dan Kinzer, COO/CTO dan.kinzer@navitassemi.com 1 Efficiency The Need for Speed Tomorrow? Today 100kHz 1MHz 10MHz Bulky, Heavy Small, Light & Expensive
More informationPitch Pack Microsemi full SiC Power Modules
Pitch Pack Microsemi full SiC Power Modules October 2014 SiC Main Characteristics vs. Si Characteristics SiC vs. Si Results Benefits Breakdown field (MV/cm) Electron sat. velocity (cm/s) Bandgap energy
More informationEMBEDDED CONTROLLED ZVS DC-DC CONVERTER FOR ELECTROLYZER APPLICATION
International Journal on Intelligent Electronic Systems, Vol. 5, No.1, January 2011 6 Abstract EMBEDDED CONTROLLED ZVS DC-DC CONVERTER FOR ELECTROLYZER APPLICATION Samuel Rajesh Babu R. 1, Henry Joseph
More information2.8 Gen4 Medium Voltage SST Development
2.8 Gen4 Medium Voltage SST Development Project Number Year 10 Projects and Participants Project Title Participants Institution Y10ET3 Gen4 Medium Voltage SST Development Yu, Husain NCSU 2.8.1 Intellectual
More informationMulti-Modular Isolated Three-Phase AC-DC Converter for Rapid Charging with Autonomous Distributed Control
Multi-Modular Isolated Three-Phase AC-DC Converter for Rapid Charging with Autonomous Distributed Control Masakazu Adachi ) Keisuke Kusaka ) Jun-ichi Itoh ) ) Nagaoka University of Technology, Electrical,
More informationPower Matters Microsemi SiC Products
Microsemi SiC Products James Kerr Director of Marketing Power Discrete Products Microsemi Power Products MOSFETs (100V-1200V) Highest Performance SiC MOSFETs 1200V MOSFETs FREDFETs (MOSFET with fast body
More informationGeneralized Multilevel Current-Source PWM Inverter with No-Isolated Switching Devices
Generalized Multilevel Current-Source PWM Inverter with No-Isolated Switching Devices Suroso* (Nagaoka University of Technology), and Toshihiko Noguchi (Shizuoka University) Abstract The paper proposes
More informationA NEW SINGLE STAGE THREE LEVEL ISOLATED PFC CONVERTER FOR LOW POWER APPLICATIONS
A NEW SINGLE STAGE THREE LEVEL ISOLATED PFC CONVERTER FOR LOW POWER APPLICATIONS S.R.Venupriya 1, Nithyananthan.K 2, Ranjidharan.G 3, Santhosh.M 4,Sathiyadevan.A 5 1 Assistant professor, 2,3,4,5 Students
More informationDesign Considerations of Highly-Efficient Active Clamp Flyback Converter Using GaNFast Power ICs
Design Considerations of Highly-Efficient Active Clamp Flyback Converter Using GaNFast Power ICs Lingxiao (Lincoln) Xue March 29 th 2017 How to Improve Power Adapter Density? Traditional Travel Adapter
More informationDesigning reliable and high density power solutions with GaN. Created by: Masoud Beheshti Presented by: Paul L Brohlin
Designing reliable and high density power solutions with GaN Created by: Masoud Beheshti Presented by: Paul L Brohlin What will I get out of this presentation? Why GaN? Integration for System Performance
More informationAN003. Basic Terms Used for DC Power Supplies. Elaborated by: Marco Geri (R&D Manager - NEXTYS SA.)
AN003 Elaborated by: Marco Geri (R&D Manager - NEXTYS SA.) Rev.1.0 Page 1/5 1 Introduction DC (Direct Current) power supplies are used in various applications related to automation, telecom, industry,
More informationINVESTIGATION OF GATE DRIVERS FOR SNUBBERLESS OVERVOLTAGE SUPPRESSION OF POWER IGBTS
INVESTIGATION OF GATE DRIVERS FOR SNUBBERLESS OVERVOLTAGE SUPPRESSION OF POWER IGBTS Alvis Sokolovs, Iļja Galkins Riga Technical University, Department of Power and Electrical Engineering Kronvalda blvd.
More informationDesigning Reliable and High-Density Power Solutions with GaN
Designing Reliable and High-Density Power Solutions with GaN 1 Detailed agenda Why is GaN Exciting GaN Fundamentals Cost and Reliability Totem Pole PFC Isolated LLC Motor Drive LiDAR Driving GaN Choosing
More informationDesigning buck chopper converter by sliding mode technique
International Research Journal of Applied and Basic Sciences 2014 Available online at www.irjabs.com ISSN 2251-838X / Vol, 8 (9): 1289-1296 Science Explorer Publications Designing buck chopper converter
More informationA 2-MHz 6-kVA voltage-source inverter using low-profile MOSFET modules for low-temperature plasma generators
Engineering Electrical Engineering fields Okayama University Year 1999 A 2-MHz 6-kVA voltage-source inverter using low-profile MOSFET modules for low-temperature plasma generators Hideaki Fujita Okayama
More informationMeasurement and Analysis for Switchmode Power Design
Measurement and Analysis for Switchmode Power Design Switched Mode Power Supply Measurements AC Input Power measurements Safe operating area Harmonics and compliance Efficiency Switching Transistor Losses
More informationCHAPTER 3 DC-DC CONVERTER TOPOLOGIES
47 CHAPTER 3 DC-DC CONVERTER TOPOLOGIES 3.1 INTRODUCTION In recent decades, much research efforts are directed towards finding an isolated DC-DC converter with high volumetric power density, low electro
More informationApplication of GaN Device to MHz Operating Grid-Tied Inverter Using Discontinuous Current Mode for Compact and Efficient Power Conversion
IEEE PEDS 2017, Honolulu, USA 12-15 December 2017 Application of GaN Device to MHz Operating Grid-Tied Inverter Using Discontinuous Current Mode for Compact and Efficient Power Conversion Daichi Yamanodera
More informationA Novel Single-Stage Push Pull Electronic Ballast With High Input Power Factor
770 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 48, NO. 4, AUGUST 2001 A Novel Single-Stage Push Pull Electronic Ballast With High Input Power Factor Chang-Shiarn Lin, Member, IEEE, and Chern-Lin
More informationCHAPTER 1 INTRODUCTION
1 CHAPTER 1 INTRODUCTION 1.1 GENERAL Induction motor drives with squirrel cage type machines have been the workhorse in industry for variable-speed applications in wide power range that covers from fractional
More informationElectrical, Electronic and Communications Engineering Technology/Technician CIP Task Grid
Secondary Task List 100 SAFETY 101 Describe OSHA safety regulations. 102 Identify, select, and demonstrate proper hand tool use for electronics work. 103 Recognize the types and usages of fire extinguishers.
More informationLesson Plan. Week Theory Practical Lecture Day. Topic (including assignment / test) Day. Thevenin s theorem, Norton s theorem
Name of the faculty: GYANENDRA KUMAR YADAV Discipline: APPLIED SCIENCE(C.S.E,E.E.ECE) Year : 1st Subject: FEEE Lesson Plan Lesson Plan Duration: 31 weeks (from July, 2018 to April, 2019) Week Theory Practical
More informationUnit/Standard Number. LEA Task # Alignment
1 Secondary Competency Task List 100 SAFETY 101 Demonstrate an understanding of State and School safety regulations. 102 Practice safety techniques for electronics work. 103 Demonstrate an understanding
More informationPower Electronics for Inductive Power Transfer Systems. George Kkelis, PhD Student (Yr2) 02 Sept 2015
Power Electronics for Inductive Power Transfer Systems George Kkelis, PhD Student (Yr) g.kkelis13@imperial.ac.uk Sept 15 Introduction IPT System Set-Up: TX DC Load Inverter Power Meter ectifier Wireless
More informationInternational Journal of Engineering Science Invention Research & Development; Vol. II Issue VIII February e-issn:
ANALYSIS AND DESIGN OF SOFT SWITCHING BASED INTERLEAVED FLYBACK CONVERTER FOR PHOTOVOLTAIC APPLICATIONS K.Kavisindhu 1, P.Shanmuga Priya 2 1 PG Scholar, 2 Assistant Professor, Department of Electrical
More informationAN ABSTRACT OF THE THESIS OF
AN ABSTRACT OF THE THESIS OF Ean A. Amon for the degree of Master of Science in Electrical and Computer Engineering presented on January 8, 2007. Title: Hybrid Electric Vehicle Active Rectifier Performance
More informationSwitches And Antiparallel Diodes
H-bridge Inverter Circuit With Transistor Switches And Antiparallel Diodes In these H-bridges we have implemented MOSFET transistor for switching. sub-block contains an ideal IGBT, Gto or MOSFET and antiparallel
More informationRevised April Unit/Standard Number. Proficiency Level Achieved: (X) Indicates Competency Achieved to Industry Proficiency Level
Unit/Standard Number Electrical, Electronic and Communications Engineering Technology/Technician CIP 15.0303 Task Grid Secondary Competency Task List 100 SAFETY 101 Demonstrate an understanding of state,
More informationGet Your GaN PhD in Less Than 60 Minutes!
Get Your GaN PhD in Less Than 60 Minutes! 1 Detailed agenda Why is GaN Exciting GaN Fundamentals Cost and Reliability Totem Pole PFC Isolated LLC Motor Drive LiDAR Driving GaN Choosing a GaN Tools 4 Why
More informationApplication of Random PWM Technique for Reducing EMI
International Research Journal of Applied and Basic Sciences 2013 Available online at www.irjabs.com ISSN 2251-838X / Vol, 6 (9): 1237-1242 Science Explorer Publications Application of Random PWM Technique
More informationAll-SiC Modules Equipped with SiC Trench Gate MOSFETs
All-SiC Modules Equipped with SiC Trench Gate MOSFETs NAKAZAWA, Masayoshi * DAICHO, Norihiro * TSUJI, Takashi * A B S T R A C T There are increasing expectations placed on products that utilize SiC modules
More informationSIMULATION of EMC PERFORMANCE of GRID CONNECTED PV INVERTERS
SIMULATION of EMC PERFORMANCE of GRID CONNECTED PV INVERTERS Qin Jiang School of Communications & Informatics Victoria University P.O. Box 14428, Melbourne City MC 8001 Australia Email: jq@sci.vu.edu.au
More informationGaN on Silicon Technology: Devices and Applications
The egan FET Journey Continues GaN on Silicon Technology: Devices and Applications Alex Lidow Efficient Power Conversion Corporation EPC - The Leader in egan FETs May, 2013 PCIM 2013 www.epc-co.com 1 Agenda
More informationZero Voltage Switching Scheme for Flyback Converter to Ensure Compatibility with Active Power Decoupling Capability
Zero oltage Switching Scheme for Flyback Converter to Ensure Compatibility with Active Power Decoupling Capability Hiroki Watanabe 1*, Jun-ichi toh 1 1 Department of Electrical, Electronics and nformation
More informationA FULLY INTEGRATED THREE LEVEL ISOLATED SINGLE STAGEAC-DC POWER FACTOR CORRECTION CONVERTER
A FULLY INTEGRATED THREE LEVEL ISOLATED SINGLE STAGEAC-DC POWER FACTOR CORRECTION CONVERTER S.Banumathi Professor, Department of Electrical and Electronics Engineering, M.Kumarasamy College of Engineering,
More informationAnnouncements. Outline. Power Electronics Circuits. malfunctioning, for report. Experiment 1 Report Due Tuesday
Power Electronics Circuits Prof. Daniel Costinett ECE 482 Lecture 3 January 26, 2017 Outline 1. Motor Back EMF Shape 2. Power Converter Layout 3. Loss Analysis and Design Low Frequency Conduction Losses
More informationThe FMMT718 Range, Features and Applications
The Range, Features and Applications Replacing SOT89, SOT223 and D-Pak Products with High Current SOT23 Bipolar Transistors. David Bradbury Neil Chadderton Designers of surface mount products wishing to
More informationOther Electronic Devices
Other Electronic Devices 1 Contents Field-Effect Transistors(FETs) - JFETs - MOSFETs Insulate Gate Bipolar Transistors(IGBTs) H-bridge driver and PWM Silicon-Controlled Rectifiers(SCRs) TRIACs Device Selection
More informationFrequency, where we are today, and where we need to go
Frequency, where we are today, and where we need to go Ionel Dan Jitaru Rompower Energy Systems Inc. 6262 N. Swan Rd., Suite 200 Tucson, Arizona 85718 OUTLINE Directions in topologies and operation frequency
More informationResearch Paper ELECTROMAGNETIC INTERFERENCE REDUCTION IN CUK CONVERTER USING MODIFIED PWM TECHNIQUES
Research Paper ELECTROMAGNETIC INTERFERENCE REDUCTION IN CUK CONVERTER USING MODIFIED PWM TECHNIQUES *1 Dr. Sivaraman P and 2 Prem P Address for Correspondence Department of Electrical and Electronics
More informationCHAPTER 5 DESIGN OF SINUSOIDAL PULSE WIDTH MODULATION TECHNIQUES FOR ZETA CONVERTER USING FPGA
82 CHAPTER 5 DESIGN OF SINUSOIDAL PULSE WIDTH MODULATION TECHNIQUES FOR ZETA CONVERTER USING FPGA 5.1 Introduction Similar to the SEPIC DC/DC converter topology, the ZETA converter topology provides a
More informationRevised April Unit/Standard Number. High School Graduation Years 2016, 2017 and 2018
Unit/Standard Number High School Graduation Years 2016, 2017 and 2018 Electrical, Electronic and Communications Engineering Technology/Technician CIP 15.0303 Task Grid Secondary Competency Task List 100
More informationDesigning a 99% Efficient Totem Pole PFC with GaN. Serkan Dusmez, Systems and applications engineer
Designing a 99% Efficient Totem Pole PFC with GaN Serkan Dusmez, Systems and applications engineer 1 What will I get out of this session? Purpose: Why GaN Based Totem-pole PFC? Design guidelines for getting
More informationDC-DC Resonant converters with APWM control
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) ISSN: 2278-1676 Volume 2, Issue 5 (Sep-Oct. 2012), PP 43-49 DC-DC Resonant converters with APWM control Preeta John 1 Electronics Department,
More informationCHAPTER 2 A SERIES PARALLEL RESONANT CONVERTER WITH OPEN LOOP CONTROL
14 CHAPTER 2 A SERIES PARALLEL RESONANT CONVERTER WITH OPEN LOOP CONTROL 2.1 INTRODUCTION Power electronics devices have many advantages over the traditional power devices in many aspects such as converting
More informationCHAPTER 3. SINGLE-STAGE PFC TOPOLOGY GENERALIZATION AND VARIATIONS
CHAPTER 3. SINGLE-STAGE PFC TOPOLOG GENERALIATION AND VARIATIONS 3.1. INTRODUCTION The original DCM S 2 PFC topology offers a simple integration of the DCM boost rectifier and the PWM DC/DC converter.
More informationHigh-power IGBT Modules
High-power IGBT Modules Takashi Nishimura Yoshikazu Takamiya Osamu Nakajima 1. Introduction To help curb global warming, clean energy, rather than fossil fuels, has been used increasingly in recent years.
More information