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Analytical model of the half bridge series resonant inverter for improved power conversion efficiency and performance

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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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Analytical model of the half bridge series resonant inverter for improved power conversion efficiency and performance

  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ANALYTICAL MODEL OF THE HALF-BRIDGE SERIES RESONANT INVERTER FOR IMPROVED POWER CONVERSION EFFICIENCY AND PERFORMANCE 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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT CERTIFICATE Certified that this project report titled “ANALYTICAL MODEL OF THE HALF-BRIDGE SERIES RESONANT INVERTER FOR IMPROVED POWER CONVERSION EFFICIENCY AND PERFORMANCE” 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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT DECLARATION I hereby declare that the project work entitled “ANALYTICAL MODEL OF THE HALF- BRIDGE SERIES RESONANT INVERTER FOR IMPROVED POWER CONVERSION EFFICIENCY AND PERFORMANCE” 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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ACKNOWLEDGEMENT I am extremely glad to present my project “ANALYTICAL MODEL OF THE HALF- BRIDGE SERIES RESONANT INVERTER FOR IMPROVED POWER CONVERSION EFFICIENCY AND PERFORMANCE” 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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ABSTRACT: Resonant power conversion is a key enabling technology of dc–dc conversion, inverters and contactless energy transfer systems. This paper presents an analyticalmodel of the series resonant half-bridge topology aimed at improving the design, control, and efficiency of resonant power converters. The main contribution is a closed-form expression of the main converter waveforms as well as output power and efficiency. This model enables a fast design-space exploration, as well as the implementation of advanced control techniques using adaptive control or real-time emulation, significantly improving the converter operation. The analytical expressions presented have been applied and verified through a half-bridge series resonant inverter applied to induction heating applications, proving the accuracy and effectiveness of the proposed model.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT INTRODUCTION: Among the available topologies, the series resonant full/half-bridge topology is one of the most used topologies due to its good balance between cost, performance, and control complexity. In the past, several research works have reported analyses of the series resonant half-bridge topology. Most of them provide steady-state results based on the Fourier transform, but in the form of an infinite sum of terms. As a consequence, it is not possible to obtain certain conclusions, such as the required modulation parameters to obtain some modulation profile, without carrying out a massive parameter-variation simulation. Other analyses make some assumptions, such as considering the fundamental harmonic approximation. However, this approach may not be accurate enough when high load variability is considered, typical of IH and CET systems. The nonresonant version of the half-bridge inverter, that is, considering infinite capacitance, is also analyzed. The objective of this paper is to develop an analytical model for the resonant inverter operation and the power converter losses. It enables a rapid evaluation of both transient and steadystate converter operation, including the resonant converterwaveforms, devices stress, power losses, and efficiency. By using the proposed model, the impact of the power devices in the converter efficiency can be directly computed, enabling a further devices optimization process for a given set of restrictions. Consequently, the proposed model enables an easier and fast design space exploration taking into account important parameters of CET systems such as load coupling and variability, power converter operating point, and their influence on the efficiency and performance of the converter.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT Besides, having closed-form expression improves the converter operating point awareness and enables the implementation of real-time adaptive control schemes and/or real- time emulation taking advantage of modern digital control techniques. Consequently, both the design process and the operation of the resonant power converter can be significantly improved.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT EXISTING SYSTEM: Classical IH solutions are based on two separated stages: a rectifier plus a resonant inverter. First, a four-diode full bridge rectifier is commonly used to rectify the mains ac voltage. A small value dc-link capacitor is used to ensure an input power factor close to 1. Thus, a high- ripple dc-link voltage is used to supply an inverter stage. Consequently, the switching devices must withstand higher current levels, whereas the required filter stage is minimized. Considering the typical output power level and the operating frequency range, the half-bridge series resonant inverter (HB-SRI) featuring insulated-gate bipolar transistors (IGBTs) is commonly used for the domestic IH applications
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT PROPOSED SYSTEM: The objective of this paper is to develop an analytical model for the resonant inverter operation and the power converter losses. It enables a rapid evaluation of both transient and steady stat converter operation, including the resonant converter wave forms, devices stress, power losses, and efficiency. By using the proposed model, the impact of the power devices in the converter efficiency can be directly computed, enabling a further devices optimization process for a given set of restrictions. Consequently, the proposed model enables an easier and fast design space exploration taking into account important parameters of CET systems such as load coupling and variability, power converter operating point, and their influence on the efficiency and performance of the converter. Besides, having closed-form expression improves the converter operating point awareness and enables the implementation of real-time adaptive control schemes and/or real- time emulation taking advantage of modern digital control techniques. Consequently, both the design process and the operation of the resonant power converter can be significantly improved. The proposed analytical model is based on a two-steps description model. In a first step, the resonant behavior of the converter is described in order to model the converter operation, neglecting the effect of the switching devices and the snubber network. Then, in a second step, the influence of the power devices on the converter efficiency, including snubber network, is analyzed.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT ADVANTAGES:  Lower switching loss
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT BLOCK DIAGRAM:
  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.ecwayp rojects.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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT APPLICATIONS:  High efficiency and power density dc-dc conversion.  High-frequency inverters.  Induction heating (IH).  Contactless energy transfer (CET) systems.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT CONCLUSION: In this paper, an analytical model of the half-bridge series resonant inverter has been proposed. One of the most important contributions of this model is that results are directly obtained from closed-form expressions, reducing simulation time and enabling real-time control and emulation techniques. The main waveforms of the converter are directly calculated, allowing extract control parameters required to operate the desired switching mode. In addition, a closed- form expression of the output power has been also obtained as a function of the main control parameters, valid for any modulation profile. The main converter power loss has been studied. On the one hand, an analytical model has been obtained for conduction losses, proving that conduction efficiency is constant with output power and only depends on the load, supply voltage, and conduction parameters of the switching devices. On the other hand, an analytical model for the switching losses, focused on the ZVS mode, has also been obtained. The analytical model presented in this paper has been verified experimentally through an induction heating inverter, showing a good agreement between theoretical and experimental results. Besides, a design example of a resonant inverter for induction heating applications taking advantage of the proposed model has been detailed. These results prove the accuracy of the proposed model and its suitability as a tool to improve both the design process and the converter operation.
  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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT REFERENCES: [1] F. Weiyi, F. C. Lee, and P. Mattavelli, “Optimal trajectory control of LLC resonant converters for LED PWM dimming,” IEEE Trans. Power Electron., vol. 29, no. 2, pp. 979–987, Feb. 2014. [2] H. Sarnago, O. Luc´ıa, A. Mediano, and J. M. Burd´ıo, “Multi-MOSFETbased series resonant inverter for improved efficiency and power density induction heating applications,” IEEE Trans. Power Electron., vol. 29, no. 8, pp. 4301–4312, Aug. 2014. [3] J. Jordan, V. Esteve, E. Sanchis-Kilders, E. J. Dede, E. Maset, J. B. Ejea, andA. Ferreres, “A comparative performance study of a 1200VSi and SiC MOSFET intrinsic diode on an induction heating inverter,” IEEE Trans. Power Electron., vol. 29, no. 5, pp. 2550–2562, May 2014. [4] F.Weiyi, F. C. Lee, and P.Mattavelli, “Simplified optimal trajectory control (SOTC) for LLC resonant converters,” IEEE Trans. Power Electron.,a vol. 28, no. 5, pp. 2415–2426, May 2013. [5] H. Sarnago, O. Lucia Gil, A. Mediano, and J. Burdio, “Class-D/DE dualmode- operation resonant converter for improved-efficiency domestic induction heating system,” IEEE Trans. Power Electron., vol. 28, no. 3, pp. 1274–1285, Mar. 2013

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