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A high step down multiple output converter with wide input voltage range based on quasi two-stage architecture and dual-output llc resonant converter

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Final Year IEEE Projects for BE, B.Tech, ME, M.Tech,M.Sc, MCA & Diploma Students latest Java, .Net, Matlab, NS2, Android, Embedded,Mechanical, Robtics, VLSI, Power Electronics, IEEE projects are given absolutely complete working product and document providing with real time Software & Embedded training......
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A high step down multiple output converter with wide input voltage range based on quasi two-stage architecture and dual-output llc resonant converter

  1. 1. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT A HIGH STEP-DOWN MULTIPLE OUTPUT CONVERTER WITH WIDE INPUT VOLTAGE RANGE BASED ON QUASI TWO-STAGE ARCHITECTURE AND DUAL- OUTPUT LLC RESONANT CONVERTER By A PROJECT REPORT Submitted to the Department of electronics & communication Engineering in the FACULTY OF ENGINEERING & TECHNOLOGY In partial fulfillment of the requirements for the award of the degree Of MASTER OF TECHNOLOGY IN ELECTRONICS & COMMUNICATION ENGINEERING APRIL 2016
  2. 2. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT CERTIFICATE Certified that this project report titled “A HIGH STEP-DOWN MULTIPLE OUTPUT CONVERTER WITH WIDE INPUT VOLTAGE RANGE BASED ON QUASI TWO- STAGE ARCHITECTURE AND DUAL-OUTPUT LLC RESONANT CONVERTER” is the bonafide work of Mr. _____________Who carried out the research under my supervision Certified further, that to the best of my knowledge the work reported herein does not form part of any other project report or dissertation on the basis of which a degree or award was conferred on an earlier occasion on this or any other candidate. Signature of the Guide Signature of the H.O.D Name Name
  3. 3. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT DECLARATION I hereby declare that the project work entitled “A HIGH STEP-DOWN MULTIPLE OUTPUT CONVERTER WITH WIDE INPUT VOLTAGE RANGE BASED ON QUASI TWO- STAGE ARCHITECTURE AND DUAL-OUTPUT LLC RESONANT CONVERTER ” Submitted to BHARATHIDASAN UNIVERSITY in partial fulfillment of the requirement for the award of the Degree of MASTER OF APPLIED ELECTRONICS is a record of original work done by me the guidance of Prof.A.Vinayagam M.Sc., M.Phil., M.E., to the best of my knowledge, the work reported here is not a part of any other thesis or work on the basis of which a degree or award was conferred on an earlier occasion to me or any other candidate. (Student Name) (Reg.No) Place: Date:
  4. 4. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ACKNOWLEDGEMENT I am extremely glad to present my project “A HIGH STEP-DOWN MULTIPLE OUTPUT CONVERTER WITH WIDE INPUT VOLTAGE RANGE BASED ON QUASI TWO- STAGE ARCHITECTURE AND DUAL-OUTPUT LLC RESONANT CONVERTER ” which is a part of my curriculum of third semester Master of Science in Computer science. I take this opportunity to express my sincere gratitude to those who helped me in bringing out this project work. I would like to express my Director, Dr. K. ANANDAN, M.A.(Eco.), M.Ed., M.Phil.,(Edn.), PGDCA., CGT., M.A.(Psy.) of who had given me an opportunity to undertake this project. I am highly indebted to Co-Ordinator Prof. Muniappan Department of Physics and thank from my deep heart for her valuable comments I received through my project. I wish to express my deep sense of gratitude to my guide Prof. A.Vinayagam M.Sc., M.Phil., M.E., for her immense help and encouragement for successful completion of this project. I also express my sincere thanks to the all the staff members of Computer science for their kind advice. And last, but not the least, I express my deep gratitude to my parents and friends for their encouragement and support throughout the project.
  5. 5. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ABSTRACT: In this letter, a quasi two-stage architecture is proposed for wide input voltage range (voltage ranges _ 1:2) and high step-down multiple output conversion. A dc-DCX, which operates as a dc–dc converter with regulated output when the input voltage is low and as a dc–dc transformer with unregulated output when the input voltage is high, is adopted in the first stage to provide optimized intermediate dc-bus voltages for the second-stage pointof- load converters. The input and output of the dc-DCX are in series and connected to the total input voltage. Hence, part of the input power is directly transferred to the intermediate bus without conversion. The devices’ voltage stresses and the transformer turns ratio of the dc-DCX are reduced by using the proposed quasi two-stage architecture. Thus, the conversion efficiency is improved significantly. Furthermore, a dual-output LLC resonant converter with hybrid center-tapped and full-bridge rectifier is proposed for the dc-DCX to achieve high efficiency and high power density. A 100-W prototype with three outputs is built and tested to verify the analysis.
  6. 6. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT INTRODUCTION: The two-stage architecture is a good candidate for the wide and-high input, multiple-and- low output applications. It has been proven that, although additional loss is introduced by the first-stage bus converter, the efficiency can still be improved with a very-high-frequency second- stage point-of-load (PoL) converter by reducing the intermediate bus voltage and using low- voltage-rating devices. If the input voltage range is narrow, a very high efficiency unregulated dc–dc transformer (DCX) can be employed as the front-end converter, because the unregulated converter can be designed at its optima operation point to achieve the highest efficiency. The two-stage architecture is a good candidate for the wideand- high input, multiple-and- low output applications . It has been proven that, although additional loss is introduced by the first-stage bus converter, the efficiency can still be improved with a very-high-frequency second- stage point-of-load (PoL) converter by reducing the intermediate bus voltage and using low- voltage-rating devices. If the input voltage range is narrow, a very high efficiency unregulated dc–dc transformer (DCX) can be employed as the front-end converter, because the unregulated converter can be designed at its optima operation point to achieve the highest efficiency .However, if the bus voltage range is wide, the output voltage regulation is required for the bus converter to provide an optimized intermediate dc bus voltage for the PoL converters. Otherwise, the intermediate bus voltage will vary within a wide range, and hence high efficiencywould not be achieved for the second-stage PoL converters. However, high efficiency within a wide input voltage range is difficult to achieve for a dc–dc converter with full voltage regulation .
  7. 7. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT A tradeoff between the efficiency of the two stages is necessary to implement optimized efficiency of the whole system. In, a sigma converter based on a DCX and a dc–dc converter is proposed for high step-down PoL converter. The sigma converter seems to be a good solution for the bus converter because voltage regulation and high efficiency can be achieved .
  8. 8. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT EXISTING SYSTEM: Synchronous rectifiers are used to improve the efficiency. Considering the voltage stresses on the switches, a full-bridge rectifier is used for the VBus1, and a center-tapped rectifier is used for the VBus2. Therefore, two secondary windings and six synchronous-rectifying switches have to be used in the front-end converter
  9. 9. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT PROPOSED SYSTEM: A multiple output dc–dc converter based on quasi two-stage architecture has been proposed in this letter. By connecting the input and output of the dc-DCX in series, 20%–25% ratio of the total input power is directly fed to the intermediate bus without conversion. Hence, the devices’ voltage stresses and transformer turns ratio of the dc-DCX can be reduced and high efficiency achieved for the front-end bus converter. By adopting the semi regulation control scheme, optimized intermediate bus voltages are provided for the second-stage PoL converters while considering the tradeoff between the efficiencies of the frontend converter and PoL converters.
  10. 10. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ADVANTAGES:  Less number of switches.
  11. 11. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT BLOCK DIAGRAM: BUFFER circuit 5VDC PIC controller circuit Gate driver circuit 12 V DC Output 1 Output 2 resonant Circuit Synchronous rectifier Centre tapped transformer Full bridge inverter INPUT DC supply
  12. 12. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT TOOLS AND SOFTWARE USED:  MPLAB – microcontroller programming.  ORCAD – circuit layout.  MATLAB/Simulink – Simulation
  13. 13. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT APPLICATIONS:  Aerospace and telecommunication applications.  Satellite power system
  14. 14. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT CONCLUSION: A multiple output dc–dc converter based on quasi two-stage architecture has been proposed in this letter. By connecting the input and output of the dc-DCX in series, 20%–25% ratio of the total input power is directly fed to the intermediate bus without conversion. Hence, the devices’ voltage stresses and transformer turns ratio of the dc-DCX can be reduced and high efficiency achieved for the front-end bus converter. By adopting the semiregulation control scheme, optimized intermediate bus voltages are provided for the second-stage PoL converters while considering the tradeoff between the efficiencies of the frontend converter and PoL converters. To improve the power density and reduce the cost, a hybrid center-tapped and full- bridge rectifier has been proposed for the dual-output LLC resonant converter. Experimental results on a 48–85 V input and three outputs (10 V/8A, 5 V/2A, and 3.3 V/2A) prototype indicate that high efficiency within wide input voltage (voltage ranges _1:2) and load ranges has been achieved with the proposed solution.
  15. 15. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT REFERENCES: [1] S. Luo and I. Batarseh, “A review of distributed power systems part I: DC distributed power system,” IEEE Aerosp. Electron. Syst. Mag., vol. 20, no. 8, pp. 5–16, Aug. 2005. [2] Z. Varadi, V. Gorocz, and J. Szabo, “Power subsystem for small satellites with unified operational mode controller,” in Proc. 2nd IEEE Int. Conf. Space Technol., 2011, pp. 1–4. [3] F.Musavi, M. Craciun, D. S. Gautam,W. Eberle, andW. G. Dunford, “An LLC resonant DC– DC converter for wide output voltage range battery charging applications,” IEEE Trans. Power Electron., vol. 28, no. 12, pp. 5437–5445, Dec. 2013. [4] K. Lee, F.C. Lee, J. Wei, and M. Xu, “Analysis and design of adaptive bus voltage positioning system for two-stage voltage regulators,” IEEE Trans. Power Electron., vol. 24, no. 12, pp. 2735–2745, Dec. 2009. [5] J. Y. Zhu and B. Lehman, “Control loop design for two-stage DC–DC converter with lowvoltage/high current output,” IEEE Trans. Power Electron., vol. 20, no. 1, pp. 44–55, Jan. 2005
  16. 16. OUR OFFICES @CHENNAI/ TRICHY/ KARUR / ERODE / MADURAI / SALEM / COIMBATORE / BANGALORE / HYDRABAD CELL: 9894917187 | 875487 1111 / 2111 / 3111 / 4111 / 5111 / 6111 Visit: www.ecwaytechnologies.com | www.ecwayprojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT

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