King Man Siu

Assistant Professor
Discovery Park B233
Kingman.Siu@unt.edu
  • Education
    • Ph.D. degree in Electrical and Computer Engineering, University of Manitoba, 2019.
    • Master degree in Electronic and Information Engineering with Business Management, City University of Hong Kong, 2011.
    • Bachelor degree in Electronic and Communication Engineering, City University of Hong Kong, 2010.
  • Biography

    Dr. King Man (Ken) Siu received his B.Eng. and M.Eng. degree in electronic engineering from City University of Hong Kong, Hong Kong, in 2010 and 2011, respectively, and his Ph.D. degree from University of Manitoba, Canada, in 2019. 

    Before he started his PhD study, he has been a System Application Engineer at Infineon Technologies Hong Kong Ltd. to evaluate the latest power semiconductors and to develop their application platforms for 4 years. From 2019 to 2020, he has been a Postdoctoral Research Fellow at University of Manitoba, Canada, working on the high power converter development in sustainable area. 

    Since 2021, he is an Assistant Professor in the Department of Electrical Engineering at University of North Texas, USA. His research interests include grid-connected power electronics converters, microgrid technique, and renewable energy applications.

  • Research
    Research Interests
    • Power Electronics Technologies- Converter Topologies, Control Algorithms and Efficiency Enhancement 
    • Renewable Energy Conversion Technologies
    • Wide-Bandgap Semiconductor Applications 
    • Smart Grids and Distribution Energy Systems
  • Publications
    Journal Papers
    1. K. Siu, C. Ho, and Dong Li, “Design and Analysis of a Hybrid Circuit Breaker in Dc Microgrid Bidirectional Hybrid DC Circuit Breaker using AC Relays with Long Life Time,” IEEE Trans. on Power Electronics, vol. 36, iss. 3, pp. 2889-2990, Mar. 2021.
    2. K. Siu and C. Ho, “System Model and Performance Evaluation of Single-Stage Buck-Boost Type Manitoba Inverter for PV Applications,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, iss. 4, pp. 3457-3466, Dec. 2020.
    3. K. Siu and C. Ho, “Generalized Design Approach of a Family of Grid-connected Converters Based on Active Virtual Ground Technique for Single-phase Ac Microgrid Applications,” CPSS Transactions on Power Electronics and Applications,vol. 5, iss. 3, pp. 203-212, Sept. 2020.
    4. K. Siu and C. Ho, “A Four-Quadrant Single-Phase Grid-Connected Converter with only Two High Frequency Switches,” IEEE Trans. on Industrial Electronics, vol. 67, iss. 3, pp. 1899-1909, Mar. 2020.
    5. K. Siuand C. Ho, “Manitoba Rectifier - Bridgeless Buck-Boost PFC,” IEEE Trans. on Power Electronics, vol. 35, iss. 1, pp. 403-414, Jan. 2020.
    6. D. Li, C. Ho, and K. Siu, “A Method for Solving Current Unbalance Problem of Paralleled Single-Phase Grid-connected Unipolar-PWM Inverters with Common DC Bus,” IEEE Trans. on Industrial Applications, vol. 55, iss. 6, pp. 7595-7603, Nov.-Dec. 2019. 
    7. Y. Zhou, C. Ho, and K. Siu, “A Fast PV MPPT Scheme using Boundary Control with Second-order Switching Surface,” IEEE Journal of Photovoltaics, vol. 34, iss. 4, pp. 3921 -3926, April 2019.
    8. K. Siu, Y. He, C. Ho, H. Chung, and R. Li, “Advanced Digital Controller for Improving Input Current Quality of Integrated Active Virtual Ground-Bridgeless PFC,    ” IEEE Trans. on Power Electronics, vol. 34, no. 4, pp. 3921-3936, April 2019.
    9. C. Ho and K. Siu, “Manitoba Inverter – Single Phase Single-Stage Buck-Boost VSI Topology,” IEEE Trans. on Power Electronics, vol. 34, no. 4, pp. 3445-3456, April 2019.
    10. C. Ho, R. Li, and K. Siu, “Active Virtual Ground—Bridgeless PFC Topology,” IEEE Trans. on Power Electronics, vol. 32, no. 8, pp. 6206-6218, Aug. 2017. 
    Conference Papers
    1. Y. Xu, C.  Ho, and K. Siu, “The Efficiency Enhancement of a Single-phase Single-stage Buck-boost type Manitoba Inverter Using SiC MOSFETs for Residential PV Applications,” in Proc. IEEE ECCE-Asia 2020, pp. 729-734, Nov. 2020..
    2. K. Siu and C.  Ho, “Reactive Power Control Strategy for a Single-Stage Buck-boost-type Inverter,” in Proc. IEEE ECCE 2020, pp. 2113-2118, Oct. 2020.
    3. A. Ghosh, C.  Ho, and K. Siu,“A Manitoba Converter based Bi-directional On-board charger for Plug-in Electric Vehicles,” in Proc. IEEE ECCE 2020, pp. 1654-1660, Oct. 2020.
    4. D. Li, C. Ho, K. Siu, and M. Pokharel, “A Module-Based Hierarchical Microgrid with a Bottom-Up Building Architecture for Rural Electrification,” in Proc. IEEE APEC 2020, pp. 3384-3390, Mar. 2020.
    5. H. Lawal, C.  Ho and K. Siu, “An Isolated Single-Stage Micro-Inverter Topology with Integrated Magnetic Components,” in Proc. IEEE ECCE 2019, pp.4339-4344, Nov. 2019.
    6. K. Siu and C. Ho, “Transformerless Grid-connected Converters using Active Virtual Ground Technique for Single-phase Microgrids,” in Proc. IEEE SEGE 2019, pp.191-195, Oct. 2019. (Best Paper Award & Best Student Innovation Award)
    7. K. Siu and C. Ho, “Operation of Combined HF and LF Boost Stage Inductors in PFC Design,” in Proc. IEEE PEAC2018,pp.1-5, Nov. 2018.
    8. K. Siu and C. Ho, “Modelling and Stability Study of a Single Stage Buck-Boost Inverter for PV Application,” in Proc. IEEE ECCE2018, pp.7088-7093, Sept. 2018.
    9. K. Siu, C. Ho, D. Li, and R. Li, “A Four-Quadrant Active Virtual Ground Rectifier by using only two High Frequency Switches,” in Proc. IEEE IECON2017, pp.533-538, Nov. 2017.
    10. K. Siu and C. Ho, “Manitoba Rectifier - Bridgeless Buck-Boost PFC,” in Proc. IEEE ECCE2017, pp.5287-5292, Oct. 2017.
    11. C. Ho and K. Siu, “Manitoba Inverter - Single Phase Single-Stage Buck-Boost VSI Topology,” in Proc. IEEE ECCE2017, pp.4576-4581, Oct. 2017. (3rd Prize in IEEE Student Project Demonstration on Emerging Technology Competition)
    12. D. Li, C. Ho, and K. Siu, “A Current Sharing Technique for Parallel-Operated Unipolar-PWM Inverters,” in Proc. IEEE ECCE2017, pp.5752-5759, Oct. 2017. 
    13. K. Siu, Y. He, C. Ho, H. Chung, and R. Li, “Design, Implementation and Analysis of an Advanced Digital Controller for Active Virtual Ground-Bridgeless PFC,” in Proc. IEEE APEC2017, pp.52-59, Mar. 2017.
    14. Y. Zhou, C. Ho, and K. Siu, “A fast and accurate MPPT control technique using boundary controller for PV applications,” in Proc. IEEE APEC2017, pp.2822-2829, Mar. 2017. 
    15. K. Siu and C. Ho, “A Critical Review of Bridgeless Power Factor Correction (PFC) Boost Rectifiers with Common-mode Voltage Mitigation,” in Proc. IEEE IECON2016, pp.3654-3659, Nov. 2016.
    16. C. Ho, R. Li, and K. Siu, “Active Virtual Ground - Bridgeless PFC Topology,” in Proc. IEEE ECCE2016, pp.1-8, Sept. 2016.
    17. K. Siu, M. Cheung, and F. Stückler, “Performance Analysis of Package Parasitic Inductances for Fast Switching MOSFET in Converter,” in Proc. IEEE PEAC2014, pp.314 to 319, Nov, 2014.
  • Professional Experience
    Guest Associate Editor
    • CPSS Transactions on Power Electronics and Applications
      Special Issue on Power Quality Conditioning in Modern Power Grids Integrated Emerging Power Electronic Systems, 2021.
    Reviewer Board Member
    • MPDI Electronics, Since 2020.
    Reviewer
    • IEEE Transactions on Industrial Electronics, Since 2020.
    • IEEE Transactions on Industry Applications, Since 2020.
    • IEEE Access, Since 2020.
    • Journal of Modern Power Systems and Clean Energy, Since 2020 .
    • MPDI Electronics, Since 2020.
    • MPDI Energies, Since 2020.
    • MPDI Applied Sciences, Since 2020.
    • IEEE Transactions on Energy Conversion, Since 2019.
    • IEEE Transactions on Power Electronics, Since 2019.
    • IEEE Journal of Emerging and Selected Topics in Power Electronics, Since 2017.
    • International Power Electronics Conferences (APEC, ECCE, IECON, WiPDA), Since 2016.
  • Patents
    1. Carl Ho and Ken Siu, “Bi-Directional Bridgeless Buck-Boost Converter,” US Patent, No. US10381953 (B2), 12/08/2019
  • Honors and Awards
    • Best Paper Award at IEEE 7th International Conference on Smart Energy Grid Engineering, 2019.
    • Best Student Innovation Award at IEEE International Conference on Smart Energy Grid Engineering, 2019.
    • Best Student Team Regional Award at IEEE Empower a Billion Lives Competition in the Americas Region, 2019.
    • 3rd Prize in IEEE Student Project Demonstration on Emerging Technology Competition at IEEE 9th Annual Energy Conversion Congress & Exposition, 2017.