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A bridgeless bhb zvs pwm ac-ac converter for high-frequency induction heating applications

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A bridgeless bhb zvs pwm ac-ac converter for high-frequency induction heating applications

  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 A BRIDGELESS BHB ZVS-PWM AC-AC CONVERTER FOR HIGH-FREQUENCY INDUCTION HEATING APPLICATIONS 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 ELECTRANICS & 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 “A BRIDGELESS BHB ZVS-PWM AC-AC CONVERTER FOR HIGH-FREQUENCY INDUCTION HEATING APPLICATIONS ” 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 “A BRIDGELESS BHB ZVS-PWM AC-AC CONVERTER FOR HIGH-FREQUENCY INDUCTION HEATING APPLICATIONS” Submitted to BHARATHIDASAN UNIVERSITY in partial fulfillment of the requirement for the award of the Degree of APPLIED ELECTROINCS 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 “A BRIDGELESS BHB ZVS-PWM AC-AC CONVERTER FOR HIGH-FREQUENCY INDUCTION HEATING APPLICATIONS ” 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: A new prototype of a zero voltage soft-switching (ZVS) utility frequency ac to high- frequency ac resonant power converter for induction heating (IH) applications is presented in this paper. The series resonant ac–ac converter proposed herein can process the frequency conversion without any diode bridge rectifier, thereby reducing the relevant conduction power losses. In addition, power factor correction (PFC) can be naturally achieved by the inductor-based boost half-bridge circuit with the non-smoothed dc-link. The operation principle together with an IH load power regulation scheme is described, and the converter performances including ZVS operations and PFC are demonstrated in an experiment with a 3.0-kW–30-kHz prototype by comparing it with the previously developed converter. Finally, the feasibility of the proposed ac– ac converter is evaluated from a practical point of view.
  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: Induction heating (IH) power supplies for domestic and industry applications have been advanced with a wide variety of circuit topologies featuring soft-switching technologies in the past decades and now are getting into a new phase of research and development pursuing for high-efficiency and cost-effective electric power conversion and processing. High efficiency, low harmonics, and high power factor are essentially demanded for the single-phase utility frequency ac (UFAC)–high-frequency ac (HFAC) power converter suitable for commercial power IH applications. The typical power conversion architecture for single-phase IH applications. consists of three-stage power converters: UFAC–dc diode bridge rectifier (DBR), power factor correction (PFC) converter (boost dc–dc converter), and dc–HF ac inverter. This circuit configuration is supported by the well-established power converter topologies and has now been the basic power processing scheme in the domestic and consumer IH appliances. However, the multiple power conversion stages might lead to efficiency deterioration; consequently, the further development of the ac–ac converter for attaining a higher power density could be obstructed. In order to improve the efficiency with a cost-effective circuit configuration, the two- stage DBR-assisted boost half bridge (BHB) zero voltage soft-switching (ZVS)-PWM ac–ac converter, as illustrated in Fig. 2, has been proposed and commercialized [10]. In this two-stage ac–ac converter, the non-smoothed dc (NSDC)–HFAC power processing can be performed simultaneously in the HF inverter stage; therefore, high efficiency and cost reduction can be attained. However, the DBR connecting the UFAC power source with the HF resonant inverter is still demanded; thus, further improvement of the total efficiency cannot be expected in the DBR- BHB ac–ac converter. A non-boost-type single-stage ac–ac converter has been proposed; however, the DBR is necessary, and cost effectiveness is still in a challenge. Other types of the single-stage ac–ac converter have been proposed by using bidirectional switches, but the reliability of this new type of power device is not up to the practical level. The capacitor-boosted ac–ac converter that is free of the DBR, named as “bridgeless,” has been proposed; however, no active voltage regulation can be performed.
  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 As a solution for the technical challenge of the DBR-assisted BHB topology as well as the other existing converters for domestic and industrial IH applications, the innovative and cost effective single-stage ZVS-PWM ac–ac converter with a series resonant tank-applied IH load is proposed in this paper. The proposed ac–ac converter adopts the bridgeless BHB topology with the NSDC-link, whereby the UFAC–HFAC power conversion can be achieved with the passive PFC and the inductor assisted voltage boost functions using insulated-gate bipolar transistors (IGBTs). An ac–ac converter with similar functions to the circuit topology proposed herein has been presented. However, this ac–ac converter is based on the series resonant HF inverter by using the dc-link divided capacitors as resonant elements, thereby possibly inducing larger current ripples in the HF inverter stage and relevant power losses of capacitors. On top of that, there is no concept of the NSDC-link, and the essential performances such as an actual power conversion efficiency, PFC operation, and ZVS range depending on the input-side source voltage level are not discussed in detail in the literature.
  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: In order to improve the efficiency with a cost-effective circuit configuration, the two- stage DBR-assisted BHB ZVS- PWM ac-ac converter have been proposed and commercialized. In this two-stage ac-ac converter, the NSDC–HFAC power processing can be performed simultaneously in the HF inverter stage, thereby the high efficiency and cost reduction can be attained. However, the DBR connecting the UFAC power source with the HF resonant inverter is still demanded, thus further improvement of the total efficiency cannot be expected in the DBR- BHB ac-ac 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.ecwayp rojects.com Mail to: ecwaytechnologies@gmail.com ECWAY TECHNOLOGIES IEEE SOFTWARE | EMBEDDED | MECHANICAL | ROBOTICS PROJECTS DEVELOPMENT PROPOSED SYSTEM: As a solution for the technical challenge of the DBR assisted BHB topology as well as the other existing converters for the domestic and industrial IH applications, the innovative and cost-effective single-stage ZVS-PWM ac-ac converter with a series-resonant tank-applied IH load is proposed in this paper. The proposed ac-ac converter adopts the bridgeless BHB topology with the NSDC-link, whereby the UFAC-HFAC power conversion can be achieved with the passive PFC and the inductor-assisted voltage boost functions using insulated-gate-bipolar- transistors (IGBTs
  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:  Low distortion utility current
  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: INPUT AC SUPPLY EMI FILTER DRIVERCIRCUIT PICCONTROLLER WITH BUFFER 5V DC 12V DC HALF BRIDGE RESONANT INVERTER BRIDGELESS BOOSTING CIRCUIT LOAD
  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:  Domestic and industry applications.
  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: The practical effectiveness of the newly proposed ZVSPWM UFAC–HFAC converter has been demonstrated in this paper. The operation principle of the single-stage ac–ac conversion with voltage boost and PFC operations by BHB has been explained in detail, and the ZVS characteristics have beendescribed. The design methodology of the circuit parameters has been presented by taking the wide range of ZVS and NSDClink- assisted PFC operations into account.
  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] T. Mishima and M. Nakaoka, “A load-power adaptive dual pulse modulated current phasor- controlled ZVS high-frequency resonant inverter for induction heating applications,” IEEE Trans. Power Electron., vol. 29, no. 6, pp. 3864–3880, Aug. 2014. [2] T. Mishima, C. Takami, and M. Nakaoka, “A new current phasorcontrolled ZVS twin half- bridge high-frequency resonant inverter for induction heating,” IEEE Trans. Ind. Electron., vol. 61, no. 5, pp. 2531–2545, May 2014. [3] B. Saha and R.-Y. Kim, “High power density series resonant inverter using an auxiliary switched capacitor cell for induction heating applications,” IEEE Trans. Power Electron., vol. 29, no. 4, pp. 1909–1918, Apr. 2014. [4] S. Wang et al., “Induction-heated cooking appliance using new quasiresonant ZVS-PWM inverter with power factor correction,” IEEE Trans. Ind. Appl., vol. 34, no. 4, pp. 705–712, Jul./Aug. 1998. [5] A. Okuno et al., “Feasible development of soft-switched SIT inverter with load-adaptive frequency-tracking control scheme for induction heating,” IEEE Trans. Ind. Appl., vol. 34, no. 4, pp. 713–718, Jul./Aug. 1998

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