Power Management for Computer Systems. Prof. C Wang
|
|
- Aubrie Morgan
- 5 years ago
- Views:
Transcription
1 ECE 5990 Power Management for Computer Systems Prof. C Wang Fall 2010
2 Course Outline Fundamental of Power Electronics cs for Computer Systems, Handheld Devices, Laptops, etc More emphasis in DC DC converter design Use textbook Fundamental of Power Electronics Second edition by R. Erickson and D. Maksimovic Course Syllabus and schedule are posted in course website: bit eceweb.uccs.edu/wang/ece5990 /ECE5990
3 Course Outline Fundamental of Power Electronics cs for Computer Systems, Handheld Devices, Laptops, etc More emphasis in DC DC converter design Use textbook Fundamental of Power Electronics Second edition by R. Erickson and D. Maksimovic Course Syllabus and schedule are posted in course website: bit eceweb.uccs.edu/wang/ece5990 /ECE5990
4 1.1. Introduction to power processing 1.2. Some applications of power electronics 1.3. Elements of power electronics Summary of the course 2
5 1.1 Introduction to Power Processing Power input Switching converter Power output Control input Dc-dc conversion: Change and control voltage magnitude Ac-dc rectification: Possibly control dc voltage, ac current Dc-ac inversion: Produce sinusoid of controllable magnitude and frequency Ac-ac cycloconversion: Change and control voltage magnitude and frequency 3
6 Control is invariably required Power input Switching converter Power output feedforward Control input Controller feedback reference 4
7 High efficiency is essential 1 η = P out P in η 0.8 P loss = P in P out = P out 1 η 1 High efficiency leads to low power loss within converter Small size and reliable operation is then feasible Efficiency is a good measure of converter performance P loss / P out 5
8 A high-efficiency converter P in Converter P out A goal of current converter technology is to construct converters of small size and weight, which process substantial power at high efficiency 6
9 Devices available to the circuit designer Linearmode Switched-mode Resistors Capacitors Magnetics Semiconductor devices DT s T s 7
10 Devices available to the circuit designer Linearmode Switched-mode Resistors Capacitors Magnetics Semiconductor devices DT s T s Signal processing: avoid magnetics 8
11 Devices available to the circuit designer Linearmode Switched-mode Resistors Capacitors Magnetics Semiconductor devices DT s T s Power processing: avoid lossy elements 9
12 Power loss in an ideal switch Switch closed: v(t) = 0 Switch open: i(t) = 0 In either event: p(t) = v(t) i(t) = 0 v(t) i(t) Ideal switch consumes zero power 10
13 A simple dc-dc converter example V g 100V Dc-dc R converter 5Ω I 10A V 50V Input source: 100V Output load: 50V, 10A, 500W How can this converter be realized? 11
14 Dissipative realization Resistive voltage divider V g 100V P in = 1000W 50V P loss = 500W R 5Ω I 10A V 50V P out = 500W 12
15 Dissipative realization Series pass regulator: transistor operates in active region 50V I 10A V g 100V P in 1000W linear amplifier R and base driver 5Ω P loss 500W V ref V 50V P out = 500W 13
16 Use of a SPDT switch 1 I 10 A V g 100 V 2 v s (t) R v(t) 50 V v s (t) V g DT s (1 D) T s t switch position: V s = DV g 14
17 The switch changes the dc voltage level v s (t) V g V s = DV g D = switch duty cycle 0 D 1 DT s (1 D) T s t switch position: T s = switching period f s = switching frequency = 1 / T s DC component of v s (t) = average value: V s = 1 T s 0 T s v s (t) dt = DV g 15
18 Addition of low pass filter Addition of (ideally lossless) L-C low-pass filter, for removal of switching harmonics: V g 100 V P in 500 W 1 2 v R s (t) C Choose filter cutoff frequency f 0 much smaller than switching frequency f s This circuit is known as the buck converter L P loss small i(t) v(t) P out = 500 W 16
19 Addition of control system for regulation of output voltage Power input Switching converter Load i v g v H(s) Sensor gain δ(t) Transistor gate driver δ Pulse-width modulator v c G c (s) Compensator Error signal v e Hv dt s T s t Reference input v ref 17
20 The boost converter 2 V g L 1 C R V 5V g 4V g V 3V g 2V g V g D
21 A single-phase inverter 1 v s (t) 2 V g 2 v(t) load 1 v s (t) H-bridge t Modulate switch duty cycles to obtain sinusoidal low-frequency component 19
22 1.2 Several applications of power electronics Power levels encountered in high-efficiency converters less than 1 W in battery-operated portable equipment tens, hundreds, or thousands of watts in power supplies for computers or office equipment kw to MW in variable-speed motor drives 1000 MW in rectifiers and inverters for utility dc transmission lines 20
23 A laptop computer power supply system Inverter Display backlighting v ac (t) i ac (t) Charger PWM Rectifier Buck converter Microprocessor Power management ac line input Vrms Lithium battery Boost converter Disk drive 21
24 Power system of an earth-orbiting spacecraft Dissipative shunt regulator Solar array v bus Battery charge/discharge controllers Dc-dc converter Dc-dc converter Batteries Payload Payload 22
25 An electric vehicle power and drive system ac machine ac machine Inverter Inverter control bus 3øac line 50/60 Hz Battery charger battery v b DC-DC converter µp system controller Low-voltage dc bus Vehicle electronics Inverter Inverter Variable-frequency Variable-voltage ac ac machine ac machine 23
26 1.3 Elements of power electronics Power electronics incorporates concepts from the fields of analog circuits electronic devices control systems power systems magnetics electric machines numerical simulation 24
27 Part I. Converters in equilibrium Inductor waveforms Averaged equivalent circuit v L (t) V g V R L D Ron D' V D D' R D D' : 1 DT s D'T s V t V g I V R switch position: i L (t) I i L (0) V g V L i L (DT s ) V L 0 DT s T s i L t Predicted efficiency 100% 90% 80% 70% % 0.05 η 50% R L /R = 0.1 Discontinuous conduction mode Transformer isolation 40% 30% 20% 10% 0% D 25
28 Part I. Converters in equilibrium 2. Principles of steady state converter analysis 3. Steady-state equivalent circuit modeling, losses, and efficiency 4. Switch realization 5. The discontinuous conduction mode 6. Converter circuits 27
29 Part II. Converter dynamics and control Closed-loop converter system Averaging the waveforms Power input Switching converter Load gate drive v g (t) v(t) R feedback connection t transistor gate driver δ(t) δ(t) pulse-width modulator v c (t) compensator G c (s) v c voltage reference v ref v actual waveform v(t) including ripple averaged waveform <v(t)> Ts with ripple neglected t dt s T s t t Controller Small-signal averaged equivalent circuit v g (t) Id(t) V L g V d(t) 1 : D D' : 1 Id(t) C v(t) R 28
30 Part II. Converter dynamics and control 7. Ac modeling 8. Converter transfer functions 9. Controller design 10. Input filter design 11. Ac and dc equivalent circuit modeling of the discontinuous conduction mode 12. Current-programmed control 29
31 Appendices A. RMS values of commonly-observed converter waveforms B. Simulation of converters C. Middlebrook s extra element theorem D. Magnetics design tables 1 2 L 3 50 µh i LOAD 20 db G vg Open loop, d(t) = constant 0 db 20 db R = 3 Ω 40 db 60 db 80 db Closed loop R = 25 Ω 5 Hz 50 Hz 500 Hz 5 khz 50 khz f V g 28 V V M = 4 V v x CCM-DCM1 3 X switch L = 50 µη f s = 100 kηz v z E pwm value = {LIMIT(0.25 v x, 0.1, 0.9)} 7 v y 6 C 500 µf R 3 C kω LM V.nodeset v(3)=15 v(5)=5 v(6)=4.144 v(8)=0.536 R 2 85 kω 2.7 nf v ref 5 V 4 R 1 R 11 kω C nf 5 R 4 47 kω v 36
Chapter 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 informationChapter 1: Introduction
Second ediion ober W. Erickson Dragan Maksimovic Universiy of Colorado, Boulder.. Inroducion o power processing.. Some applicaions of power elecronics.3. Elemens of power elecronics Summary of he course.
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder 6.3.5. Boost-derived isolated converters A wide variety of boost-derived isolated dc-dc converters
More informationAdvances in Averaged Switch Modeling
Advances in Averaged Switch Modeling Robert W. Erickson Power Electronics Group University of Colorado Boulder, Colorado USA 80309-0425 rwe@boulder.colorado.edu http://ece-www.colorado.edu/~pwrelect 1
More informationLecture 8 ECEN 4517/5517
Lecture 8 ECEN 4517/5517 Experiment 4 Lecture 7: Step-up dcdc converter and PWM chip Lecture 8: Design of analog feedback loop Part I Controller IC: Demonstrate operating PWM controller IC (UC 3525) Part
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder Construction of transfer function v 2 (s) v (s) = Z 2Z Z Z 2 Z = Z out Z R C Z = L Q = R /R 0 f
More informationLecture 6 ECEN 4517/5517
Lecture 6 ECEN 4517/5517 Experiment 4: inverter system Battery 12 VDC HVDC: 120-200 VDC DC-DC converter Isolated flyback DC-AC inverter H-bridge v ac AC load 120 Vrms 60 Hz d d Feedback controller V ref
More informationFundamentals of Power Electronics
Fundamentals of Power Electronics SECOND EDITION Robert W. Erickson Dragan Maksimovic University of Colorado Boulder, Colorado Preface 1 Introduction 1 1.1 Introduction to Power Processing 1 1.2 Several
More informationEEL 646 POWER ELECTRONICS II. Issa Batarseh. January 13, 2015
EEL 646 POWER ELECTRONICS II Issa Batarseh January 13, 2015 Agenda About the course Syllabus Review Course Topics Review of Power Electronics I Questions Introduction (cont d) Introduction (cont d) 5
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder 18.2.2 DCM flyback converter v ac i ac EMI filter i g v g Flyback converter n : 1 L D 1 i v C R
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder 17.1 The single-phase full-wave rectifier i g i L L D 4 D 1 v g Z i C v R D 3 D 2 Full-wave rectifier
More informationFinal Exam. Anyone caught copying or allowing someone to copy from them will be ejected from the exam.
Final Exam EECE 493-101 December 4, 2008 Instructor: Nathan Ozog Name: Student Number: Read all of the following information before starting the exam: The duration of this exam is 3 hours. Anyone caught
More informationLecture 4 ECEN 4517/5517
Lecture 4 ECEN 4517/5517 Experiment 3 weeks 2 and 3: interleaved flyback and feedback loop Battery 12 VDC HVDC: 120-200 VDC DC-DC converter Isolated flyback DC-AC inverter H-bridge v ac AC load 120 Vrms
More informationECEN 5807 Modeling and Control of Power Electronic Systems
ECEN 5807 Modeling and Control of Power Electronic Systems Instructor: Prof. Bob Erickson Office telephone: (303) 492-7003 Fax: (303) 492-2758 Email: rwe@colorado.edu Course web page http://ece.colorado.edu/~ecen5807
More informationELG3336: Power Electronics Systems Objective To Realize and Design Various Power Supplies and Motor Drives!
ELG3336: Power Electronics Systems Objective To Realize and Design arious Power Supplies and Motor Drives! Power electronics refers to control and conversion of electrical power by power semiconductor
More informationEXPERIMENT 4 SWITCHED MODE DC/DC CONVERSION USING BUCK CONVERTER
Introduction: YEDITEPE UNIERSITY ENGINEERING & ARHITETURE FAULTY INDUSTRIAL ELETRONIS LABORATORY EE 432 INDUSTRIAL ELETRONIS EXPERIMENT 4 SWITHED MODE D/D ONERSION USING BUK ONERTER In this experiment,
More informationPower Electronics. Contents
Power Electronics Overview Contents Electronic Devices Power, Electric, Magnetic circuits Rectifiers (1-ph, 3-ph) Converters, controlled rectifiers Inverters (1-ph, 3-ph) Power system harmonics Choppers
More informationLECTURE 3 How is Power Electronics Accomplished:
1 LECTURE 3 How is Power Electronics Accomplished: I. General Power Electronics System A. Overview B. Open Loop No Feedback Case C. Feedback Case and Major Issues D. Duty Cycle VARATION as a Control Means
More informationChapter 3 : Closed Loop Current Mode DC\DC Boost Converter
Chapter 3 : Closed Loop Current Mode DC\DC Boost Converter 3.1 Introduction DC/DC Converter efficiently converts unregulated DC voltage to a regulated DC voltage with better efficiency and high power density.
More informationPublished by: PIONEER RESEARCH & DEVELOPMENT GROUP(www.prdg.org)
A High Power Density Single Phase Pwm Rectifier with Active Ripple Energy Storage A. Guruvendrakumar 1 and Y. Chiranjeevi 2 1 Student (Power Electronics), EEE Department, Sathyabama University, Chennai,
More informationOverview of Linear & Switching Regulators
Overview of Linear & Switching Regulators Vahe Caliskan, Sc.D. Senior Technical Expert Motorola Automotive Government & Enterprise Mobility Solutions September 15, 2005 Vahe Caliskan, Sc.D. (g17823) Overview
More informationVOLTAGE MODE CONTROL OF SOFT SWITCHED BOOST CONVERTER BY TYPE II & TYPE III COMPENSATOR
1002 VOLTAGE MODE CONTROL OF SOFT SWITCHED BOOST CONVERTER BY TYPE II & TYPE III COMPENSATOR NIKITA SINGH 1 ELECTRONICS DESIGN AND TECHNOLOGY, M.TECH NATIONAL INSTITUTE OF ELECTRONICS AND INFORMATION TECHNOLOGY
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder 18.5 RMS values of rectifier waveforms Doubly-modulated transistor current waveform, boost rectifier:
More informationCHAPTER 5 MODIFIED SINUSOIDAL PULSE WIDTH MODULATION (SPWM) TECHNIQUE BASED CONTROLLER
74 CHAPTER 5 MODIFIED SINUSOIDAL PULSE WIDTH MODULATION (SPWM) TECHNIQUE BASED CONTROLLER 5.1 INTRODUCTION Pulse Width Modulation method is a fixed dc input voltage is given to the inverters and a controlled
More informationChapter 2 Buck PWM DC DC Converter
Chapter 2 Buck PWM DC DC Converter H. Wang, Power Management and High-speed I/O in CMOS Systems 1/25 Buck Circuit and Its equivalent circuits CCM: continuous conduction mode DCM: discontinuous conduction
More informationA New Quadratic Boost Converter with PFC Applications
Proceedings of the th WSEAS International Conference on CICUITS, uliagmeni, Athens, Greece, July -, 6 (pp3-8) A New Quadratic Boost Converter with PFC Applications DAN LASCU, MIHAELA LASCU, IOAN LIE, MIHAIL
More informationCHAPTER 2 DESIGN AND MODELING OF POSITIVE BUCK BOOST CONVERTER WITH CASCADED BUCK BOOST CONVERTER
17 CHAPTER 2 DESIGN AND MODELING OF POSITIVE BUCK BOOST CONVERTER WITH CASCADED BUCK BOOST CONVERTER 2.1 GENERAL Designing an efficient DC to DC buck-boost converter is very much important for many real-time
More informationChapter 6: Converter circuits
Chapter 6. Converter Circuits 6.1. Circuit manipulations 6.2. A short list of converters 6.3. Transformer isolation 6.4. Converter evaluation and design 6.5. Summary of key points Where do the boost, buck-boost,
More informationPower Electronics in PV Systems
Introduction to Power Electronics in PV Systems EEN 2060 References: EEN4797/5797 Intro to Power Electronics ece.colorado.edu/~ecen5797 Textbook: R.W.Erickson, D.Maksimovic, Fundamentals of Power Electronics,
More informationIntegration of Two Flyback Converters at Input PFC Stage for Lighting Applications
Integration of Two Flyback Converters at Input PFC Stage for Lighting Applications Anjali.R.N 1, K. Shanmukha Sundar 2 PG student [Power Electronics], Dept. of EEE, Dayananda Sagar College of Engineering,
More informationLecture 7 ECEN 4517/5517
Lecture 7 ECEN 4517/5517 Experiments 4-5: inverter system Exp. 4: Step-up dc-dc converter (cascaded boost converters) Analog PWM and feedback controller to regulate HVDC Exp. 5: DC-AC inverter (H-bridge)
More informationDesigning and Implementing of 72V/150V Closed loop Boost Converter for Electoral Vehicle
International Journal of Current Engineering and Technology E-ISSN 77 4106, P-ISSN 347 5161 017 INPRESSCO, All Rights Reserved Available at http://inpressco.com/category/ijcet Research Article Designing
More informationSINGLE-STAGE HIGH-POWER-FACTOR SELF-OSCILLATING ELECTRONIC BALLAST FOR FLUORESCENT LAMPS WITH SOFT START
SINGLE-STAGE HIGH-POWER-FACTOR SELF-OSCILLATING ELECTRONIC BALLAST FOR FLUORESCENT S WITH SOFT START Abstract: In this paper a new solution to implement and control a single-stage electronic ballast based
More informationECE514 Power Electronics Converter Topologies. Part 2 [100 pts] Design of an RDC snubber for flyback converter
ECE514 Power Electronics Converter Topologies Homework Assignment #4 Due date October 31, 2014, beginning of the lecture Part 1 [100 pts] Redo Term Test 1 (attached) Part 2 [100 pts] Design of an RDC snubber
More informationElements of Power Electronics PART II: Topologies and applications
Elements of Power Electronics PART II: Topologies and applications Fabrice Frébel (fabrice.frebel@ulg.ac.be) September 2 st, 207 PART II: Topologies and applications Chapter 6: Converter Circuits Applications
More informationINSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad
I INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad-000 DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING TUTORIAL QUESTION BANK Course Name : POWER ELECTRONICS Course Code : AEE0
More informationCHAPTER 2 GENERAL STUDY OF INTEGRATED SINGLE-STAGE POWER FACTOR CORRECTION CONVERTERS
CHAPTER 2 GENERAL STUDY OF INTEGRATED SINGLE-STAGE POWER FACTOR CORRECTION CONVERTERS 2.1 Introduction Conventional diode rectifiers have rich input harmonic current and cannot meet the IEC PFC regulation,
More informationSepic Topology Based High Step-Up Step down Soft Switching Bidirectional DC-DC Converter for Energy Storage Applications
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-issn: 2278-1676,p-ISSN: 2320-3331, Volume 12, Issue 3 Ver. IV (May June 2017), PP 68-76 www.iosrjournals.org Sepic Topology Based High
More information11. Define the term pinch off voltage of MOSFET. (May/June 2012)
Subject Code : EE6503 Branch : EEE Subject Name : Power Electronics Year/Sem. : III /V Unit - I PART-A 1. State the advantages of IGBT over MOSFET. (Nov/Dec 2008) 2. What is the function of snubber circuit?
More informationZLED7000 / ZLED7020 Application Note - Buck Converter LED Driver Applications
ZLED7000 / ZLED7020 Application Note - Buck Converter LED Driver Applications Contents 1 Introduction... 2 2 Buck Converter Operation... 2 3 LED Current Ripple... 4 4 Switching Frequency... 4 5 Dimming
More informationResonant Power Conversion
Resonant Power Conversion Prof. Bob Erickson Colorado Power Electronics Center Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder Outline. Introduction to resonant
More informationToday: DCDC additional topics
Today: DCDC additional topics Review voltage loop design Power MOSFET: another power semiconductor switch Emerging power semiconductor devices technologies Introduction to thermal management Conclusions
More informationS. General Topological Properties of Switching Structures, IEEE Power Electronics Specialists Conference, 1979 Record, pp , June 1979.
Problems 179 [22] [23] [24] [25] [26] [27] [28] [29] [30] J. N. PARK and T. R. ZALOUM, A Dual Mode Forward/Flyback Converter, IEEE Power Electronics Specialists Conference, 1982 Record, pp. 3-13, June
More informationD-Σ Digital Control for Improving Stability Margin under High Line Impedance
D-Σ Digital Control for Improving Stability Margin under High Line Impedance Tsai-Fu Wu Professor, National Tsing Hua University, Taiwan Elegant Power Electronics Applied Research Laboratory (EPEARL) Aug.
More informationCHAPTER 7 HARDWARE IMPLEMENTATION
168 CHAPTER 7 HARDWARE IMPLEMENTATION 7.1 OVERVIEW In the previous chapters discussed about the design and simulation of Discrete controller for ZVS Buck, Interleaved Boost, Buck-Boost, Double Frequency
More informationSingle-Stage Power Electronic Converters with Combined Voltage Step-Up/Step-Down Capability
Western University Scholarship@Western Electronic Thesis and Dissertation Repository January 2013 Single-Stage Power Electronic Converters with Combined Voltage Step-Up/Step-Down Capability Navid Golbon
More information55:141 Advanced Circuit Techniques Switching Regulators
55:141 Advanced Circuit Techniques Switching Regulators Material: ecture Notes, Handouts, and Sections of Chapter 11 of Franco A. Kruger 55:141: Advanced Circuit Techniques The University of Iowa Switching
More informationABSTRACT 1. INTRODUCTION
Low Input Voltage Switching Amplifiers for Piezoelectric Actuators Douglas K. Lindner l, Huiyu Zhu, Chunping Song, Weixing Huang, Danling Cheng Department of Electrical and Computer Engineering, Virginia
More informationA High Power Density Drivetrain-Integrated Electric Vehicle Charger
A High Power Density Drivetrain-Integrated Electric Vehicle Charger Usama Anwar, Hyeokjin Kim, Hua Chen, Robert Erickson, Dragan Maksimović and Khurram K. Afridi Colorado Power Electronics Center Department
More informationBridgeless Cuk Power Factor Corrector with Regulated Output Voltage
Bridgeless Cuk Power Factor Corrector with Regulated Output Voltage Ajeesh P R 1, Prof. Dinto Mathew 2, Prof. Sera Mathew 3 1 PG Scholar, 2,3 Professors, Department of Electrical and Electronics Engineering,
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 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 informationA HIGH RELIABILITY SINGLE-PHASE BOOST RECTIFIER SYSTEM FOR DIFFERENT LOAD VARIATIONS. Prasanna Srikanth Polisetty
GRT A HIGH RELIABILITY SINGLE-PHASE BOOST RECTIFIER SYSTEM FOR DIFFERENT LOAD VARIATIONS Prasanna Srikanth Polisetty Department of Electrical and Electronics Engineering, Newton s College of Engineering
More informationDemonstration. Agenda
Demonstration Edward Lee 2009 Microchip Technology, Inc. 1 Agenda 1. Buck/Boost Board with Explorer 16 2. AC/DC Reference Design 3. Pure Sinewave Inverter Reference Design 4. Interleaved PFC Reference
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder Graphical construction of transfer functions 8.3. Graphical construction of impedances and transfer
More informationMICROCONTROLLER BASED BOOST PID MUNAJAH BINTI MOHD RUBAEE
MICROCONTROLLER BASED BOOST PID MUNAJAH BINTI MOHD RUBAEE This thesis is submitted as partial fulfillment of the requirement for the award of Bachelor of Electrical Engineering (Power System) Faculty of
More informationDesign and Simulation of Buck Boost Controller of Solar Wind Hybrid Energy System
Design and Simulation of Buck Boost Controller of Solar Wind Hybrid Energy System Patil S.N. School of Electrical and Electronics. Engg. Singhania University, Rajashthan, India Dr. R. C. Prasad 2 Prof.
More informationImprovement of SBC Circuit using MPPT Controller
Improvement of SBC Circuit using MPPT Controller NOR ZAIHAR YAHAYA & AHMAD AFIFI ZAMIR Electrical & Electronic Engineering Department Universiti Teknologi PETRONAS Bandar Seri Iskandar, 3750 Tronoh, Perak
More informationLinear DC-DC Conversion Topology and Component Selection
ECE 480 Application Note Team 7 November 14, 2014 Linear DC-DC Conversion Topology and Component Selection Jacob Brettrager Compact DC-AC Inverter ABSTRACT It is often necessary to convert direct current
More informationExperiment DC-DC converter
POWER ELECTRONIC LAB Experiment-7-8-9 DC-DC converter Power Electronics Lab Ali Shafique, Ijhar Khan, Dr. Syed Abdul Rahman Kashif 10/11/2015 This manual needs to be completed before the mid-term examination.
More informationLECTURE 4. Introduction to Power Electronics Circuit Topologies: The Big Three
1 LECTURE 4 Introduction to Power Electronics Circuit Topologies: The Big Three I. POWER ELECTRONICS CIRCUIT TOPOLOGIES A. OVERVIEW B. BUCK TOPOLOGY C. BOOST CIRCUIT D. BUCK - BOOST TOPOLOGY E. COMPARISION
More informationSIMULATION WITH THE BOOST TOPOLOGY ECE562: Power Electronics I COLORADO STATE UNIVERSITY. Modified in Fall 2011
SIMULATION WITH THE BOOST TOPOLOGY ECE562: Power Electronics I COLORADO STATE UNIVERSITY Modified in Fall 2011 ECE 562 Boost Converter (NL5 Simulation) Laboratory 2 Page 1 PURPOSE: The purpose of this
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 of step-up converter for a constant output in a high power design
2015; 1(6): 125-129 ISSN Print: 2394-7500 ISSN Online: 2394-5869 Impact Factor: 3.4 IJAR 2015; 1(6): 125-129 www.allresearchjournal.com Received: 25-03-2015 Accepted: 27-04-2015 M. Tech, (VLSI Design and
More informationDigital PWM Controller and Current Estimator for A Low-Power Switching Converter
7 th IEEE Workshop on Computers in Power Electronics, COMPE 000, Blacksburg, VA, July 6-8, 000. Digital PWM Controller and Current Estimator for A ow-power Switching Converter Aleksandar Prodic and Dragan
More informationAnalysis and Simulation of Full-Bridge Boost Converter using Matlab
64 Analysis and Simulation of Full-Bridge Boost Converter using Matlab O. Alavi, and S. Dolatabadi Abstract Improvement of high power and high performance applications causes attention to the DC-DC converter
More information2A, 23V, 380KHz Step-Down Converter
2A, 23V, 380KHz Step-Down Converter General Description The is a buck regulator with a built-in internal power MOSFET. It achieves 2A continuous output current over a wide input supply range with excellent
More informationCONTENTS. Chapter 1. Introduction to Power Conversion 1. Basso_FM.qxd 11/20/07 8:39 PM Page v. Foreword xiii Preface xv Nomenclature
Basso_FM.qxd 11/20/07 8:39 PM Page v Foreword xiii Preface xv Nomenclature xvii Chapter 1. Introduction to Power Conversion 1 1.1. Do You Really Need to Simulate? / 1 1.2. What You Will Find in the Following
More informationIntroduction LED Lamp Review Supplying LEDs Off-Line Power Supplies for LED Lamps Conclusions
efficient energy conversion, industrial electronics and lighting Universidad de Oviedo J. Marcos Alonso Universidad de Oviedo, Spain Campus de Viesques, Edificio 3, Sala 3.2.20 33204 Gijón, Asturias Email:
More informationDriving High Intensity LED Strings in DC to DC Applications D. Solley, ON Semiconductor, Phoenix, AZ
Driving High Intensity LED Strings in DC to DC Applications D. Solley, ON Semiconductor, Phoenix, AZ Abstract Improvements in high brightness LED technology offer enhanced energy efficient lighting solutions
More informationGetting the Most From Your Portable DC/DC Converter: How To Maximize Output Current For Buck And Boost Circuits
Getting the Most From Your Portable DC/DC Converter: How To Maximize Output Current For Buck And Boost Circuits Upal Sengupta, Texas nstruments ABSTRACT Portable product design requires that power supply
More information40V Boost Converter for LED driver / TFT Bias / USB Power
40V Boost Converter for LED driver / TFT Bias / USB Power DESCRIPTION The is a high efficiency step-up converter with an internally integrated 40V power MOSEFT. It runs with an optimal 0.8MHz frequency
More informationCHAPTER IV DESIGN AND ANALYSIS OF VARIOUS PWM TECHNIQUES FOR BUCK BOOST CONVERTER
59 CHAPTER IV DESIGN AND ANALYSIS OF VARIOUS PWM TECHNIQUES FOR BUCK BOOST CONVERTER 4.1 Conventional Method A buck-boost converter circuit is a combination of the buck converter topology and a boost converter
More informationLECTURE 40 Introduction to Converter Dynamics A. AC Model Construction 1. Actual Switch mode Non-Linear System 2. Small AC Models by two Analytical
LECTURE 40 Introduction to Converter Dynamics A. AC Model Construction 1. Actual Switch mode Non-Linear System 2. Small AC Models by two Analytical Paths a. Circuit averaging over T s b. State space Averaging
More informationSwitched-mode power supply control circuit
DESCRIPTION The /SE6 is a control circuit for use in switched-mode power supplies. It contains an internal temperature- compensated supply, PWM, sawtooth oscillator, overcurrent sense latch, and output
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department o Electrical, Computer, and Energy Engineering University o Colorado, Boulder Computation ohase! T 60 db 40 db 20 db 0 db 20 db 40 db T T 1 Crossover requency c 1 Hz 10 Hz 100
More informationA BRUSHLESS DC MOTOR DRIVE WITH POWER FACTOR CORRECTION USING ISOLATED ZETA CONVERTER
A BRUSHLESS DC MOTOR DRIVE WITH POWER FACTOR CORRECTION USING ISOLATED ZETA CONVERTER Rajeev K R 1, Dr. Babu Paul 2, Prof. Smitha Paulose 3 1 PG Scholar, 2,3 Professor, Department of Electrical and Electronics
More informationR. W. Erickson. Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder
R. W. Erickson Department of Electrical, Computer, and Energy Engineering University of Colorado, Boulder Inclusion of Switching Loss in the Averaged Equivalent Circuit Model The methods of Chapter 3 can
More informationLecture 41 SIMPLE AVERAGING OVER T SW to ACHIEVE LOW FREQUENCY MODELS
Lecture 41 SIMPLE AVERAGING OVER T SW to ACHIEVE LOW FREQUENCY MODELS. Goals and Methodology to Get There 0. Goals 0. Methodology. BuckBoost and Other Converter Models 0. Overview of Methodology 0. Example
More informationTSTE25 Power Electronics. Lecture 6 Tomas Jonsson ISY/EKS
TSTE25 Power Electronics Lecture 6 Tomas Jonsson ISY/EKS 2016-11-15 2 Outline DC power supplies DC-DC Converter Step-down (buck) Step-up (boost) Other converter topologies (overview) Exercises 7-1, 7-2,
More informationResearch and design of PFC control based on DSP
Acta Technica 61, No. 4B/2016, 153 164 c 2017 Institute of Thermomechanics CAS, v.v.i. Research and design of PFC control based on DSP Ma Yuli 1, Ma Yushan 1 Abstract. A realization scheme of single-phase
More informationSingle Phase Bridgeless SEPIC Converter with High Power Factor
International Journal of Emerging Engineering Research and Technology Volume 2, Issue 6, September 2014, PP 117-126 ISSN 2349-4395 (Print) & ISSN 2349-4409 (Online) Single Phase Bridgeless SEPIC Converter
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 informationCHAPTER 3 METHODOLOGY
CHAPTER 3 METHODOLOGY 3.1 INTRODUCTION This chapter will explain about the flow chart of project, designing fuzzy logic controller and fuzzy logic algorithms. Next, it will explain electrical circuit design
More informationINTEGRATED CIRCUITS. AN1221 Switched-mode drives for DC motors. Author: Lester J. Hadley, Jr.
INTEGRATED CIRCUITS Author: Lester J. Hadley, Jr. 1988 Dec Author: Lester J. Hadley, Jr. ABSTRACT The purpose of this paper is to demonstrate the use of integrated switched-mode controllers, generally
More informationUsing an automated Excel spreadsheet to compensate a flyback converter operated in current-mode. Christophe Basso, David Sabatié
Using an automated Excel spreadsheet to compensate a flyback converter operated in current-mode Christophe Basso, David Sabatié ON Semiconductor download Go to ON Semiconductor site and enter flyback in
More informationAnalog and Telecommunication Electronics
Politecnico di Torino - ICT School Analog and Telecommunication Electronics G3 - Switching regulators» PWM regulators» Buck,» Boost,» Buck-boost» Flyback 30/05/2012-1 ATLCE - G3-2011 DDC Lesson G3: Switching
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 informationHigh Power Density Drivetrain Integrated Electric Vehicle Charger
University of Colorado, Boulder CU Scholar Electrical, Computer & Energy Engineering Graduate Theses & Dissertations Electrical, Computer & Energy Engineering Spring 1-1-2016 High Power Density Drivetrain
More informationAC-DC battery charger (constant current with voltage limit) using the MC33364 and the MC33341
Order this document by /D Motorola Semiconductor Application Note A-D battery charger (constant current with voltage limit) using the M33364 and the M33341 By Petr Lidak Application Engineer Industrial
More informationInternational Journal of Modern Trends in Engineering and Research. An Effective Wind Energy System based on Buck-boost Controller
International Journal of Modern Trends in Engineering and Research www.ijmter.com e-issn No.:2349-9745, Date: 28-30 April, 2016 An Effective Wind Energy System based on Buck-boost Controller Ansari Nabila
More informationA New Averaged Switch Model Including Conduction Losses for PWM Converters Operating in Discontinuous Inductor Current Mode
FACTA UNIVERSITATIS (NIŠ) SER.: ELEC. ENERG. vol. 19, no. 2, August 2006, 219-230 A New Averaged Switch Model Including Conduction Losses for PWM Converters Operating in Discontinuous Inductor Current
More information6. Explain control characteristics of GTO, MCT, SITH with the help of waveforms and circuit diagrams.
POWER ELECTRONICS QUESTION BANK Unit 1: Introduction 1. Explain the control characteristics of SCR and GTO with circuit diagrams, and waveforms of control signal and output voltage. 2. Explain the different
More informationPOWER FACTOR CORRECTION AND HARMONIC CURRENT REDUCTION IN DUAL FEEDBACK PWM CONTROLLED AC/DC DRIVES.
POWER FACTOR CORRECTION AND HARMONIC CURRENT REDUCTION IN DUAL FEEDBACK PWM CONTROLLED AC/DC DRIVES. 1 RAJENDRA PANDAY, 2 C.VEERESH,ANIL KUMAR CHAUDHARY 1, 2 Mandsaur Institute of Techno;ogy,Mandsaur,
More informationFig.1. A Block Diagram of dc-dc Converter System
ANALYSIS AND SIMULATION OF BUCK SWITCH MODE DC TO DC POWER REGULATOR G. C. Diyoke Department of Electrical and Electronics Engineering Michael Okpara University of Agriculture, Umudike Umuahia, Abia State
More informationA Control Scheme for an AC-DC Single-Stage Buck-Boost PFC Converter with Improved Output Ripple Reduction
Western University Scholarship@Western Electronic Thesis and Dissertation Repository August 2012 A Control Scheme for an AC-DC Single-Stage Buck-Boost PFC Converter with Improved Output Ripple Reduction
More information3A, 23V, 380KHz Step-Down Converter
3A, 23V, 380KHz Step-Down Converter General Description The is a buck regulator with a built in internal power MOSFET. It achieves 3A continuous output current over a wide input supply range with excellent
More informationDigital Control IC for Interleaved PFCs
Digital Control IC for Interleaved PFCs Rosario Attanasio Applications Manager STMicroelectronics Presentation Outline 2 PFC Basics Interleaved PFC Concept Analog Vs Digital Control The STNRGPF01 Digital
More informationUM1660. Low Power DC/DC Boost Converter UM1660S SOT23-5 UM1660DA DFN AAG PHO. General Description
General Description Low Power DC/DC Boost Converter S SOT23-5 DA DFN6 2.0 2.0 The is a PFM controlled step-up DC-DC converter with a switching frequency up to 1MHz. The device is ideal to generate output
More informationDHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING
DHANALAKSHMI COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING Power Diode EE2301 POWER ELECTRONICS UNIT I POWER SEMICONDUCTOR DEVICES PART A 1. What is meant by fast recovery
More information