Conference Publications

  1. Kanathipan, K., Cheema, M. A., Lam, J. “Medium Voltage grid-Connected PV Inverter with a New Modular High Voltage Gain Converter Featuring Internal Modified Voltage Doubling Balancers” accepted for presentation in the 2025 IEEE Applied Power Electronics Conference and Exposition (APEC 25).
  2. X, Xia., Lam, J. “A New Three-Phase Multi-Mode AC/DC LLC Converter with Output-Controlled Active Rectifier (with V2G and G2V functions) for Fast DC Charging Application” accepted for presentation in the 2025 IEEE Applied Power Electronics Conference and Exposition (APEC 25).
  3. Derakhshan, S., Lam, J. “A New Half-Bridge/Dual-Stacked-Switches Structured Electrolytic Capacitor-less AC/DC Bi-Directional On-Board Charger for High Voltage EV Battery” accepted for presentation in the 2024 IEEE Energy Conversion Congress and Exposition (ECCE 24).
  4. Kanathipan, K., Abbasi, M., Cheema, M. A., Lam, J. “Modular LLC Resonant Converters with New Active Voltage Doublers Based Output Voltage Balancers for MVDC Distributed PV Systems” accepted for presentation in the 2024 IEEE Energy Conversion Congress and Exposition (ECCE 24).
  5. Molaei, A., Lam, J. “A Photovoltaic Interleaved Boost Integrated CL Resonant Converter for Magnetron Application” accepted for presentation in the 2024 IEEE Energy Conversion Congress and Exposition (ECCE 24).
  6. Beshara, M., Lam, J. “A Medium Voltage Bidirectional Modular LLC Converter With An Extendable Stacked-Switches Leg” accepted for presentation in the 2024 IEEE Energy Conversion Congress and Exposition (ECCE 24).
  7. Kanathipan, K., Lam, J. “A Modular Soft-switched PV Converter With An Efficiency Optimization Scheme for High Frequency Linking Power Balancers” in Proceedings of the 2024 IEEE Applied Power Electronics Conference and Exposition (APEC 24), pp. 1403 – 1408.
  8. Derakhshan, S., Lam, J. “A New Bridge-less AC-DC Stacked-switches Structured Bi-directional On-board High Voltage EV Charger with Minimal Storage Capacitances” in Proceedings of the 2024 IEEE Applied Power Electronics Conference and Exposition (APEC 24), pp. 1700 – 1705.
  9. Kanathipan, K., Lam, J. “New Interlinking PV Converter Modules with Individual MPPT and Integrated Power Balancing Units” in Proceedings of the 2023 IEEE Energy Conversion Congress and Exposition (ECCE 23), pp. 6574 – 6576.
  10. Derakhshan, S., Lam, J. “A Bridgeless Stacked-switches Based AC/DC Converter with Reduced Storage Capacitances And Low-Frequency Voltage Ripple For HV EV Systems” in Proceedings of the 2023 IEEE Energy Conversion Congress and Exposition (ECCE 23), pp. 6577 – 6579.
  11. Beshara, M., Moury, S., Kanathipan, K., Lam, J. “A LLC Step-up PV Micro-converter With An Integrated High-frequency AC Inter-connected Energy Storage Uni-directional Power Interface” in Proceedings of the 2023 IEEE Energy Conversion Congress and Exposition (ECCE 23), pp. 523 – 530.
  12. Bakalian and J. Lam, "Dual CL/LLC DC/DC Resonant Circuit Modules For Step-up Power Interface in Microwave Magnetron Application," in Proceedings of the 2022 IEEE Industrial Electronics Society Annual On-Line Conference (ONCON 22), pp. 1 – 5 .
  13. Derakhshan, S., Lam, J. “A Single-stage AC/DC Bridge-less Converter With An Adaptive Control Scheme And Reduced DC-link And Output Capacitances For High Voltage EV System” in Proceedings of the 2023 IEEE Applied Power Electronics Conference and Exposition (APEC 23), pp. 2037 – 2042.
  14. Abbasi, M., Kanathipan, K., Cheema, M. A., Lam, J. “A Line-frequency Transformer-less High Frequency Medium Voltage PV Grid Connected Inverter With Extended High Voltage Gain Range” in Proceedings of the 2023 IEEE Applied Power Electronics Conference and Exposition (APEC 23), pp. 127 – 132.
  15. Kanathipan, K., Lam, J. “A Modular Step-up PV Converter With Coupled Output Power Balancers Utilizing A New Fully Soft-switched Active Voltage Quadruper (AVQ)” in Proceedings of the 2022 IEEE Energy Conversion Congress and Exposition (ECCE 22), pp. 1 – 6.
  16. Derakhshan, S., Lam, J. “A Multi-mode Three-phase Step-up AC/DC Soft-Switched Converter With An Adaptive Active-controlled Auxiliary Circuit and Constant Output Voltage” in Proceedings of the 2022 IEEE Energy Conversion Congress and Exposition (ECCE 22), pp. 1 – 6.
  17. Kanathipan, K., Lam, J. “A Modular Single-stage PV Step-up Converter With Integrated Power Balancing Feature Using Inter-coupled Active Voltage Quadruplers” in Proceedings of the 2022 IEEE Applied Power Electronics Conference and Exposition (APEC 22), pp. 2086 – 2091.
  18. Emamalipour, R., Lam, J. “Voltage Balancing Feature And Output Regulation in A Multi-mode Inverter/rectifier Leg” in Proceedings of the 2022 IEEE Applied Power Electronics Conference and Exposition (APEC 22), pp. 369 – 373.
  19. Kanathipan, K., Cheema, M. A., Lam, J. “Five-level Inverter With A Combined DC Voltage Balancing and Fault-voltage Mitigation Technique for Grid-connected PV Energy Systems” in Proceedings of the 2021 IEEE PES Innovative Smart Grid Technologies Conference – Asia (PES IGST Asia 21), pp. 1 – 5.
  20. Emamalipour, R., Lam, J. “Open Circuit Fault-tolerant Operation of A Modified Hybrid String Inverter/rectifier Leg” in Proceedings of the 2021 Annual Conference of the IEEE Industrial Electronics Society (IECON 21), pp. 1 – 5.
  21. Bakalian, M., Lam, J. “A Double-output Soft-switched Step-up AC/DC Bridgeless Converter for Microwave Energy Application” in Proceedings of the 2021 Annual Conference of the IEEE Industrial Electronics Society (IECON 21), pp. 1 – 6.
  22. Abbasi, M and Lam, J. “An Interleaved Bridgeless AC/DC LLC Resonant Converter with Stacked Switches Configuration And Semi-Active Voltage Doublers for High Voltage EV Battery Systems” in Proceedings of the 2021 IEEE Energy Conversion Congress and Exposition (ECCE 21), pp. 1853 – 1859
  23. Mohammadi, P and Lam, J. “A New Single-stage Bidirectional AC/DC Isolated Resonant Converter With an Active Voltage Ripple Reduction Scheme for Hybrid AC or DC Micro-grid Application” in Proceedings of the 2021 IEEE Energy Conversion Congress and Exposition (ECCE 21), pp. 632 – 638.
  24. Abbasi, M., Emamalipour, R., Cheema, M. A., Lam, J. “A Constant Frequency Step-up Resonant Converter Module with Re-structural Feature And A Novel Semi-active PWM Voltage Multiplier” in Proceedings of the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC 21), pp. 343 – 348.
  25. Emamalipour, R and Lam, J. “Built-in Circuit Redundancy And Fault-tolerant Operation of A New Multi-mode Hybrid String Inverter/Rectifier Leg” in Proceedings of the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC 21), pp. 626 – 631.
  26. Ahmadian, S., Kanathipan, K., Lam, J. “A MHz High Voltage Gain PV Micro-converter Featuring Extended ZVS Operation and Natural Continuous Input Current With Coupled Magnetics” in Proceedings of the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC 21), pp. 1775 – 1780.
  27. Mohammadi, P and Lam, J. “A New Fully Soft-switched, Single-stage LLC Resonant Based Grid-connected Inverter” in Proceedings of the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC 21), pp. 1438 – 1443.
  28. Abbasi, M., Emamalipour, R., Cheema, M. A., Lam, J. “An Interchangeable Soft-switched Voltage Boosting Circuit for A Multi-mode LLC Step-up Converter Module In Medium Voltage Applications” in Proceedings of the 2020 IEEE Energy Conversion Congress and Exposition (ECCE 20), pp. 393 – 398.
  29. Abbasi, M and Lam, J. “An SiC-based AC/DC CCM Bridgeless On-board EV Charger with Coupled Active Voltage Doubler Rectifiers for 800-V Battery Systems” in Proceedings of the 2020 IEEE Applied Power Electronics Conference and Exposition (APEC 20), pp. 905 – 910.
  30. Abbasi, M, Emamalipour, R, Cheema, M. A, Lam, J. “An Extended Describing Function Model for a Hybrid Frequency/Phase-shift Controlled SiC-based High-Gain DC-DC Resonant Converter Module” in Proceedings of the 2019 IEEE Energy Conversion Congress and Exposition (ECCE 19), pp. 695 – 701.
  31. Moury, S and Lam, J. “An Integrated PV-Battery Soft-switched Power Converter with MPPT and Voltage Regulation” in Proceedings of the 2019 IEEE Energy Conversion Congress and Exposition (ECCE 19), pp. 3433 – 3440.
  32. Emamalipour, R and Lam, J. “A New AC/DC Half-Bridge/String-Inverter Hybrid-Structured Isolated Bi-Directional Converter” in Proceedings of the 2019 IEEE Energy Conversion Congress and Exposition (ECCE 19), pp. 2713 – 2718.
  33. Abbasi, M and Lam, J. “A Multi-Mode Bridgeless SiC-based AC/DC Step-up Converter with a Dual Active Auxiliary Circuit for Wind Energy Conversion Systems with MVDC Grid” in Proceedings of the 2019 IEEE Energy Conversion Congress and Exposition (ECCE 19), pp. 2731 – 2736.
  34. Abbasi, M, Emamalipour, R, Cheema, M. A, Lam, J. “A New Fully Magnetically Coupled SiC-based DC/DC Step-up LLC Resonant Converter with Inherent Balanced Voltage Sharing for Renewable Energy Systems with a Medium Voltage DC Grid” in Proceedings of the 2019 IEEE Energy Conversion Congress and Exposition (ECCE 19), pp. 5542 – 5547.
  35. Emamalipour, R and Lam, J. “A New Non-Multi-Level Structured, H-bridgeless Bidirectional DC/DC Converter with Low Voltage Stress and Complete Soft-switching Operation”  in Proceedings of the 2019 IEEE Applied Power Electronics Conference and Exposition (APEC 19), pp. 2322 - 2328. 
  36. Kanathipan, K and Lam, J.  “A New Single-switch, Electrolytic Capacitor-less Step-up DC/DC Converter Topology with Complete Soft-switching Operation for Photovoltaic Application” in Proceedings of the 2019 IEEE Applied Power Electronics Conference and Exposition (APEC 19), pp.  147 - 153. (Best Presentation Award at APEC 19)
  37. Abbasi, M and Lam, J. “A Balanced, Unity Power Factor, 3-Phase Bridgeless AC/DC Step-Up Transformer-Less Converter with Magnetic-Coupled Soft-Switched Step-Up Rectifiers for Wind Farm with a MVDC Grid”  in Proceedings of the 2019 IEEE Applied Power Electronics Conference and Exposition (APEC 19), pp. 1212 - 1219.
  38. Moury, S and Lam, J. “A Novel Soft-switched Power Converter Architecture with an Integrated Energy Storage Interface Compatible with DC and AC Energy Sources” in Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 18), pp. 6660 - 6667.
  39. Abbasi, M , Emamalipour, R, Cheema, M. A, and Lam, J. “A Modular Soft-switched Silicon-Carbide Step-up Converter with a Dual Coupled LCL Resonant Network and Primary-Hybrid Variable Frequency/Phase Shift-Control” in Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 18), pp. 5974 - 5980.
  40. Abbasi, M and Lam, J. “A Novel SiC-based Bridgeless AC/DC High Voltage Gain Converter with Voltage Quadrupler Modules for Wind Energy Conversion System With a MVDC Grid” in Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 18) , pp. 5974 - 5980.
  41. Aggarwal, D, Moury, S and Lam, J. “A New Quasi-Resonant Soft-switched Bidirectional DC/DC Converter for Energy Storage Application” in Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 18) , pp. 6654 - 6659.
  42. Abbasi, M and Lam, J. “A New Three-Phase Soft-Switched Bridge-less AC/DC Step-Up Converter with Current Fed Voltage Doubler Modules for Medium Voltage DC Grid in Wind Systems” in Proceedings of the 2018 IEEE  Applied Power Electronics Conference and Exposition (APEC 18), pp. 44 - 51.
  43. Kanathipan, K., Lam, J. “A New Modified Maximum Power Extraction Technique for Wind And Hybrid Renewable Energy Systems” in Proceedings of the 2017 IEEE Electrical Power and Energy Conference (EPEC 17), pp. 1 – 6.  
  44. Abbasi, M., Lam, J. “Dynamic Performance and Small-signal Analysis of A DC/DC Step-up Converter With High-gain Output Rectifier For Offshore Wind Turbines” in Proceedings of the 2017 IEEE Electrical Power and Energy Conference (EPEC 17), pp. 1 – 6.
  45. Moury, S and Lam, J. “A New Soft-switched High Frequency Multi-input Step-up/down Converter for High Voltage DC Distributed Hybrid Renewable Systems” in Proceedings of the 2017 IEEE Energy Conversion Congress and Exposition (ECCE 17), pp. 4136 - 4143.
  46. Abbasi, M and Lam, J. “An Improved Voltage Balancing Technique for a Modular DC/DC Soft-switched High-gain Converter for Wind Energy Application” in Proceedings of the 2017 IEEE Energy Conversion Congress and Exposition (ECCE 17), pp.  5537 - 5544.
  47. Abbasi, M and Lam, J. “A Modular Silicon Carbide-based Single-stage Three-phase AC/DC Step-up Medium Voltage Converter With Extended Soft-switching Operations for DC Grid in Wind Systems” in Proceedings of the 2017 IEEE Applied Power Electronics Conference and Exposition (APEC 17), pp. 3005 –3012.
  48. Kanathipan, K, Moury, S and Lam, J. “A Fast and Accurate Maximum Power Point Tracker for a Multi-input Converter with Wide Range of Soft-switching Operation for Solar Energy Systems” in Proceedings of the 2017 IEEE Applied Power Electronics Conference and Exposition (APEC 17), pp. 2076 – 2083.
  49. Abbasi, M  and Lam, J. “A New Three-phase AC/DC High Power Factor Soft-switched Step-up Converter with High Gain Rectifier Modules for Medium Voltage Grid in Wind Systems” in Proceedings of the 2016 IEEE Energy Conversion Congress and Exposition (ECCE 16), pp.  1 - 8.
  50. Moury, S, Lam, J., Srivastava V, Church R. “New Soft-switched Multi-input Converter Topologies with Integrated Active Power Factor Correction for Hybrid Renewable Energy Applications” in Proceedings of the 2016 IEEE Energy Conversion Congress and Exposition (ECCE 16), pp. 1 - 8.
  51. Moury, S, Lam, J., Srivastava V, Church R. “A Novel Multi-input Converter Using Soft-switched Single-switch Input Modules with Integrated Power Factor Correction Capability for Hybrid Renewable Energy Systems” in Proceedings of the 2016 IEEE Applied Power Electronics Conference and Exposition (APEC 16), pp. 786 – 793.  (Best Presentation Award at APEC 16)
  52. El Taweel, N, and Lam, J.  “A ZV-ZCS Electrolytic Capacitor-less AC/DC Isolated LED Driver with Continuous Energy Regulation” in Proceedings of the 2016 IEEE Applied Power Electronics Conference and Exposition (APEC 16), pp. 830 – 837.
  53. Moury, S, and Lam, J. “Modular Isolated High Frequency Medium Voltage (MV) Step-up Resonant DC/DC Converters with High-gain Rectifier for Wind Energy Systems” in Proceedings of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE 15), pp. 4789 - 4796.
  54. Lam, J and Jain, P. K. “A New Step-up DC/DC Resonant Converter with a Capacitive Output Filter for Medium Voltage DC Grid in High Power Wind Energy Systems” in Proceedings of the 2014 IEEE Industrial Electronics Society Annual Conference (IECON 14), pp. 1 - 7.
  55. Lam, J and Jain, P. K. “An Asymmetrical PWM (APWM) Controlled Multi-input Isolated Resonant Converter with Zero Voltage Switching (ZVS) for Hybrid Wind-Solar Energy Systems” in Proceedings of the 2014 IEEE International Energy and Telecommunication Conference (INTELEC’14), pp. 1 - 6.
  56. Lam, J and Jain, P. K. “Single-Stage Three-phase AC/DC Step-up Medium Voltage Resonant Converter for Offshore Wind Power Systems” in Proceedings of the 2014 IEEE Energy Conversion Congress and Exposition (ECCE’14), pp. 4612 - 4619.
  57. Lam, J and Jain, P. K. “A Novel Single-stage Multi-level ZVS Transformer-less AC/DC Converter with High Voltage Gain and Power Factor Correction for Megawatts Wind Turbines” in Proceedings of the 2014 IEEE European Conference on Power Electronics and Applications (EPE’14 ECCE Europe), pp. 1 - 8.
  58. Lam, J and Jain, P. K. “A High Efficient Step-up DC/DC Converter With ZVS and Low Voltage Stress for High Power Wind Turbines in Offshore Wind Energy Systems” in Proceedings of the 2014 IEEE European Conference on Power Electronics and Applications (EPE’14 ECCE Europe), pp. 1 - 10.
  59. Lam, J and Jain, P. K. “A Novel Multi-input Step-down Electrolytic Capacitor-less Converter With Soft-Switching for Hybrid Wind-Solar Energy Systems” in Proceedings of the 2014 IEEE European Conference on Power Electronics and Applications (EPE’14 ECCE Europe), pp. 1 - 10.
  60. Lam, J and Jain, P. K. “A Novel Isolated Electrolytic Capacitor-less Single-Switch AC-DC Offline LED Driver with Power Factor Correction” in Proceedings of the 2014 IEEE Applied Power Electronics Conference and Exposition (APEC 14), pp. 1356 – 1361.
  61. Lam, J. and Jain, P. K. “A Novel Pulse Current Driving; High Input Power Factor LED Driver without Using Electrolytic Capacitor for Output Low-Frequency Ripple Reduction” in Proceedings of the 2013 IEEE Energy Conversion Congress and Exposition (ECCE 13), pp. 3459-3464.
  62. Hao, T. Lam, J., and Jain, P. K. “A New High Power Factor, Soft-Switched LED Driver without Electrolytic Capacitors” in Proceedings of the 2013 IEEE Applied Power Electronics Conference and Exposition (APEC 13), pp. 823-828.
  63. Lam, J. and Jain, P. K. “A Simple Single Switch Electronic Ballast for Compact Fluorescent Lamps with Passive Power Factor Correction (PFC) and Soft Switching Capability” in Proceedings of the 2012 IEEE Industrial Electronics Society Annual Conference (IECON 12), pp. 4503-4508.
  64. Lam, J. and Jain, P. K. “A Constant Power Single-Switch Electronic Ballast with Power Factor Correction” in Proceedings of the 2012 IEEE Energy Conversion Congress and Exposition (ECCE 12), pp. 1214-1219.
  65. Lam, J., and Jain, P. K. “A Boost-Type High Power Factor Single Switch Electronic Ballast for Compact Fluorescent Lamps (Energy-Saving Lamps)” in Proceedings of the 2011 IEEE Industrial Electronics Society Annual Conference (IECON 11), pp. 2854-2859.
  66. Lam, J., Hui, J. and Jain, P. K. “A Multi-functional Digital Controller for a High Power Factor Electronic Ballast Dimmable With Standard Phase-Cut Dimmers” in Proceedings of the 2011 IEEE Energy Conversion Congress and Exposition (ECCE 11), pp. 2850-2856.
  67. Lam, J., and Jain, P. K. “A Novel Dimmable Electronic Ballast for Compact Fluorescent Lamps Using Phase-cut Incandescent Lamp Dimmers with Wide Dimming Range and Low Dimming Level Lamp Ignition Capability” in Proceedings of the 2010 IEEE Applied Power Electronics Conference and Exposition (APEC10), pp. 2321-2327.
  68. Lam, J., and Jain, P. K. “A New Dimmable High Power Factor Electronic Ballast System for Compact Fluorescent Lamps with Standard Incandescent Phase-cut Dimmers” in Proceedings of the 2009 IEEE Energy Conversion Congress and Exposition (ECCE 09), pp. 472-478.
  69. Lam, J., Agarwal, V. and Jain, P. K. “A novel SEPIC type single-stage single switch electronic ballast with very high power factor and high efficiency” in Proceedings of the 2008 IEEE Power Electronics Specialists Conference (PESC 08), pp. 2861 - 2866.
  70. Lam, J., and Jain, P. K. “Single Switch Electronic Ballast with Unity Power Factor for Compact Fluorescent Lightings Based on a Single-Stage Current Fed Resonant Inverter” in Proceedings of the 2007 IEEE Industry Applications Society Conference (IAS 07), pp. 819-825.
  71. Lam, J., and Jain, P. K. “A Low Cost Single-Stage Electronic Ballast with Unity Power Factor Using a Novel Single Switch Current Fed Resonant Inverter Topology” in Proceedings of the 2007 IEEE Power Electronics Specialists Conference (PESC 07), pp. 3106-3111.
  72. Lam, J., and Jain, P. K. “A Novel Single Stage Dimmable Electronic Ballast with High Efficiency and Unity Power Factor Using an Integrated Buck-Boost Current Source Resonant Inverter” in Proceedings of the 2007 IEEE Applied Power Electronics Conference (APEC 07), pp.1309-1315.
  73. Lam, J., and Jain, P. K. “A New Passive Valley Fill Dimming Electronic Ballast with Extended Line Current Conduction Angle” in Proceedings of the 2006 IEEE International Telecommunications Energy Conference (INTELEC 06), pp. 156-162.
  74. Lam, J., and Jain, P. K. “A Novel Dimming Electronic Ballast with Improved Crest Factor Using Valley Fill Current Source Resonant Inverter” in Proceedings of the 2006 International Symposium on Industrial Electronics (ISIE 06) Conference, pp. 1100-1105.
  75. Lam, J., and Jain, P. K. “A Novel Concept of Employing Current Source Inverter in Electronic Ballasts with Dimming Capability and Low Crest Factor” in Proceedings of the 2006 IEEE Power Electronics Specialists Conference (PESC 06), pp. 2429-2435.
  76. Lam, J., and Jain, P. K. “A Novel Valley Fill High Power Factor Electronic Ballast with Dimming Feature And Low Crest Factor.  Part II: Controller Circuit Design” in Proceedings of the 2005 IEEE Industrial Electronics Society Annual Conference (IECON 05), pp. 820-825.
  77. Lam, J., and Jain, P. K. “A Novel Valley Fill High Power Factor Electronic Ballast with Dimming Feature and Low Crest Factor. Part I: Design and Performance” in Proceedings of the 2005 IEEE Industrial Electronics Conference (IECON 05), pp. 809-814.