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Papers by FEEC Personnel

Journal Publications

  1. J.-S. Lai and Douglas J. Nelson, "Energy Management Power Converters in Hybrid Electric and Fuel Cell Vehicles," invited paper, IEEE Proceedings, Apr. 2007, pp. 766 - 777.
  2. K.P. Louganski and J.-S. Lai, "Current Phase Lead Compensation in Single Phase PFC Boost Converters with a Reduced Switching Frequency to Line Frequency Ratio," IEEE Transactions on Power Electronics, Jan. 2007, pp.113 - 119.
  3. J.-S. Lai, J. Zhang, H. Yu, and H. Kouns, "Source and Load Adaptive Design for a High-Power Soft-Switching Inverter," IEEE Transactions on Power Electronics, Nov. 2006, pp. 1667 - 1675.
  4. C. Liu, A. Ridenour, and J.-S. Lai, "Modeling and Control of a Novel Six-Leg Three-Phase High-Power Converter for Low-Voltage Fuel Cell Applications," IEEE Transactions on Power Electronics, Sep. 2006, pp. 1292 - 1300.
  5. J.-S. Lai, X. Huang, S. Chen, T. Nehl, "Inverter EMI Modeling and Simulation Methodologies," IEEE Transactions on Industrial Electronics, June 2006, pp. 736 - 744.
  6. C. Liu, A. Johnson, Jih-Sheng Lai, "A novel three-phase high-power soft-switched DC/DC converter for low-voltage fuel cell applications," IEEE Transactions on Industry Applications, Dec. 2005, pp. 1691 - 1697.
  7. J.W. Baek, D.W. Yoo, G.H. Rim, and J. Lai, "Solid State Marx Generator Using Series-Connected IGBTs," IEEE Transactions on Plasma Science, Aug. 2005, pp. 1198 - 1204.
  8. X. Huang, X. Wang, T. Nergaard, J. S. Lai, X. Xu, and L. Zhu, "Parasitic Ringing and Design Issues of Digitally Controlled High Power Interleaved Boost Converters," IEEE Transactions on Power Electronics, Sep. 2004, pp.1341 - 1352.
  9. Jih-Sheng Lai, X. Huang, S. Chen, T. Nehl, "EMI Characterization and Simulation with Parasitic Models for a Low-Voltage High Current AC Motor Drive," IEEE Transactions on Industry Applications, Jan. 2004, pp. 178 - 185.
  10. Jih-Sheng Lai, Junhyung Kim, and Charles E. Konrad, "Direct-Soldered Mounting Inverter Modules for Traction Motor Drives," SAE 2002 Transactions Journal of Passenger Cars - Electronic and Electrical Systems, Sept. 2003, pp. 746 - 750.
  11. L. Zhu, K. Wang, Jih-Sheng Lai, F. C. Lee, "New Start-up Schemes for Active-Clamp isolated Full-Bridge Boost Converters," in IEEE Transactions on Power Electronics, July, 2003, pp. 946 - 951.
  12. C. Liu, H. Yu, C. Smith and Jih-Sheng Lai, J. Black, "A High Performance Amplitude/Phase Modulated Digital-To-Synchro Switching Power Converters," IEEE Transactions on Power Electronics, March 2003, pp. 509 - 516.
  13. R. Singh, D. C. Capell, A. R. Hefner, Jr., Jason Lai and J. W. Palmour, "High-Power 4H-SiC JBS Rectifiers," IEEE Transactions on Electron Devices, Nov. 2002, pp. 2054 - 2063.
  14. J. Rodriguez, Jih-Sheng Lai, and F. Z. Peng, "Multilevel Inverters: A Survey of Topologies, Controls, and Applications," IEEE Transactions on Industrial Electronics, August 2002, pp. 724 - 738.
  15. S. Sirisukprasert, Jih-Sheng Lai, and T.-H. Liu, "Optimum Harmonic Reduction with a Wide Range of Modulation Indexes for Multilevel Converters," IEEE Transactions on Industrial Electronics, pp. 875 - 881, August 2002.
  16. H. Yu, B.-M. Song, and Jih-Sheng Lai, "Design of a Novel ZVT Soft-Switching Chopper," IEEE Transactions on Power Electronics, January 2002, pp. 101 - 108.
  17. X. Jia, Qingfu Li, Jih-Sheng Lai, and *B. M. Song, "Analysis of Polyphase Brushless Exciter," IEEE Transactions on Industry Applications, Nov./Dec., 2001, pp. 1720 - 1726.
  18. H. Zhu, Jih-Sheng Lai, A. R. Hefner, Jr., Y. Tang, C. Chen, "Modeling Based Examination of Conducted EMI Emission from Hard- and Soft-Switching PWM Inverters," IEEE Transactions on Industry Applications, Sep./Oct., 2001, pp. 1383 - 1393.
  19. Jih-Sheng Lai, *B. M. Song, R. Zhou, A. Hefner, D. Berning, and C. Shen, "Characteristics and Utilization of a New Class of Low On-Resistance MOS-Gated Power Device," IEEE Transactions on Industry Applications, Sep./Oct., 2001, pp. 1282 - 1289.
  20. B.-M. Song, Jih-Sheng Lai, "A Multilevel Soft-Switching Inverter with Inductor Coupling," IEEE Transactions on Industry Applications, Mar./Apr., 2001, pp. 628 - 636.
  21. A. Hefner, D. Berning, Jih-Sheng Lai, R. Singh, "Silicon Carbide Merged PiN Schottky Diode Switching Characteristics and Evaluation for Power Supply Applications," IEEE Transactions on Power Electronics, Mar. 2001, 273 - 280.
  22. B.-M. Song, Jih-Sheng Lai, "A Novel Two-Quadrant Soft-Switching Converter with One Auxiliary Switch for High Power Applications," IEEE Transactions on Industry Applications, Sept/Oct., 2000, pp. 1388 - 1395.
  23. H. Zhu, A. Hefner, and Jih-Sheng Lai, "Characterization of Power Electronics System Interconnect Parasitics Using Time Domain Reflectomery," IEEE Transactions on Power Electronics, July 1999, pp. 662 - 628.
  24. Jih-Sheng Lai and T. S. Key, "Effectiveness of Harmonic Mitigation Equipment for Commercial Office Buildings," IEEE Transactions on Industry Applications, July/August, 1997, pp. 1104 - 1110.
  25. T. S. Key and Jih-Sheng Lai, "Analysis of Harmonic Mitigation Methods for Building Wiring Systems," IEEE Transactions on Power Systems, PE-086-PWRS-2-06-1997, July 1997, pp. 1 - 9.
  26. F. Z. Peng and Jih-Sheng Lai, "Dynamic Performance and Control of a Static VAR Generator Using Cascade Multilevel Inverters," IEEE Transactions on Industry Applications, May/June, 1997, pp. 748 - 755.
  27. Jih-Sheng Lai, "Resonant Snubber Based Soft-Switching Inverters for Electric Propulsion Drives," IEEE Transactions on Industrial Electronics, Feb., 1997. pp. 71 - 80.
  28. F. Z. Peng and Jih-Sheng Lai, "A Multilevel Voltage-Source Inverter with Separate DC Sources for Static Var Generation," IEEE Transactions on Industry Applications, September/October, 1996, pp. 1130 - 1138.
  29. T. Key and Jih-Sheng Lai, "Cost and Benefits of Harmonic Current Reduction for Switch-Mode Power Supplies in a Commercial Office Building," IEEE Transactions on Industry Applications, September/October, 1996, pp. 1017 - 1025.
  30. Jih-Sheng Lai, et al., "A Delta Configured Auxiliary Resonant Snubber Inverter," IEEE Transactions on Industry Applications, May/June 1996, pp. 518 - 524.
  31. Jih-Sheng Lai and F. Z. Peng, "Multilevel Converters - A New Breed of Power Converters," IEEE Transactions on Industry Applications, May/June 1996, pp. 509-517.

 

Conference Papers

  1. J.-S. Lai, S.-Y. Park, S.-R. Moon, C.-L. Chen, "A High-Efficiency 5-kW Soft-Switched Power Conditioning System for Low-Voltage Solid Oxide Fuel Cells", in Proc. of Power Conversion Conference, Nagoya, April 2007, pp. 463 - 470.
  2. S.-R. Moon and J.-S. Lai, "Multiphase Isolated DC-DC Converter for Low-Voltage High-Power Fuel Cell Applications," in Proceedings of IEEE APEC, Anaheim, CA, Feb. 2007, pp. 654 - 660.
  3. S.-Y. Park, J.-S. Lai, C.-L. Chen, S.-R. Moon and T-W. Chun, "Current Loop Control with Admittance Compensation for a Single-Phase Grid-Tie Fuel Cell Power Conditioning System," in Proceedings of IEEE APEC, Anaheim, CA, Feb. 2007, pp. 1010 - 1016.
  4. K.P. Louganski and J.S. Lai, "Reactive Power Control Realization in Single-Phase Active Front End Converters," in Proceedings of IEEE APEC, Anaheim, CA, Feb. 2007, pp. 797 - 803.
  5. J.S. Lai, A. Maitra, and F. Goodman, "Performance of a Distributed Intelligent Universal Transformer under Source and Load Disturbances," in Conf. Rec. of IEEE IAS Annual Meeting, Tampa, FL, Oct. 2006, pp. 719 - 725.
  6. J.S. Lai, A. Hefner, A. Maitra, and F. Goodman, "Characterization of a Multilevel HV-IGBT Module for Utility Distribution Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Tampa, FL, Oct. 2006, pp. 743 - 753.
  7. K.P. Louganski and J.S. Lai, "A 20-kW, 10-kHz, Single-Phase Multilevel Active Front End Converter with Reactive Power Control," in Conf. Rec. of IEEE IAS Annual Meeting, Tampa, FL, Oct. 2006, pp. 576 - 582.
  8. I.D. Kim, E.C. Nho, S.H. Choi, J.S. Lai, "Simple ZVT PWM Single-Phase Rectifier with Reduced Conduction Loss and Unity Power Factor," in Proc. of IEEE PESC, Jeju, Korea, June 2006, pp. 1900-1906.
  9. J. Zhang, R.Y. Kim, J.S. Lai, "High-Power Density Design of a Soft-Switching High-Power Bidirectional DC-DC Converter," in Proc. of IEEE PESC, Jeju, Korea, June 2006, pp. 2119 - 2125.
  10. T.W. Chun, Q.V. Tran, J.R. Ahn, and J.S. Lai, "AC Output Voltage Control with Minimization of Voltage Stress Across Devices in the Z-Source Inverter Using Modified SVPWM," in Proc. of IEEE PESC, Jeju, Korea, June 2006, pp. 3030 - 3034.
  11. S. Moon, S. Park, C. Liu, and J.S. Lai, "Solid Oxide Fuel Cell Current Ripple Impact and Reduction Techniques," in Proc. of IEEE PESC, Jeju, Korea, June 2006, pp. 2037-2042.
  12. J. Zhang and J.S. Lai, "A Synchronous Rectification Featured Soft-Switching Inverter Using CoolMOS," in Proc. of IEEE Applied Power Electronics Conference, Dallas, TX, March 2006, pp. 810 - 815.
  13. K.P. Louganski and J.S. Lai, "Current Phase Lead Compensation in Single Phase PFC Boost Converters with a Reduced Switching Frequency to Line Frequency Ratio," in Proc. of IEEE Applied Power Electronics Conference, Dallas, TX, March 2006, pp. 261 - 267.
  14. J.-S. Lai and J. Zhang, "Efficiency Design Considerations for a Wide-Range Operated High-Power Soft-Switching Inverter, in Proc. of IEEE Industrial Electronics Conference, Raleigh, NC, Nov. 2005, pp. 604-609.
  15. J.-S. Lai, "Characterization of HV-IGBT for High-Power Inverter Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Hong Kong, Oct. 2005, pp. 377-382.
  16. J.-S. Lai, Arindam Maitra, Arshad Mansoor, and Frank Goodman, "Multilevel Intelligent Universal Transformer for Medium Voltage Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Hong Kong, Oct. 2005, pp. 1893-1899.
  17. J-S. Lai, H. Yu, J. Zhang, Y. Li, K. Sheng, J. H. Zhao, and A. Hefner, and Frank Goodman, "Characterization of Normally-off SiC Vertical JFET Devices and Inverter Circuits," to be appeared in Conf. Rec. of IEEE IAS Annual Meeting, Hong Kong, Oct. 2005, pp. 404-409.
  18. C. Liu and J.S.Lai, "Low Frequency Current Ripple Reduction Technique with Active Control in a Fuel Cell Power System with Inverter Load," in Proc. of IEEE Power Electronics Specialists Conference, Recife, Brazil, June 2005, pp. 2905-2911.
  19. J.S. Lai, "A high-performance V6 converter for fuel cell power conditioning system," in Proc. of IEEE Conference on Vehicle Power and Propulsion, Sept. 2005, pp. 624-630.
  20. K. Stanton and J.S.Lai, "A Temperature Dependent Fuel Cell Model for Power Electronics Design," in Proc. of IEEE Power Electronics Specialists Conference, Recife, Brazil, June 2005, pp.1647-1651.
  21. J. Reichl*, J.S. Lai, A. Hefner, T. McNutt, D. Berning, "Inverter Dynamic Electro-Thermal Modeling and Simulation with Experimental Verification," in Proc. of IEEE Power Electronics Specialists Conference, Recife, Brazil, June 2005, pp. 2208-2215.
  22. J.S. Lai, *J. Zhang, *H. Yu, *X. Huang, *C. Liu, and *H. Kouns, "Source and Load Adaptive Design for a High-Power Soft-Switching Inverter," in Proc. of International Power Electronics Conference, Niigata, Japan, April 2005, pp. 593-598.
  23. M. Schenck, J.S. Lai, and Ken Stanton, "Fuel Cell and Power Conditioning System Interactions," in Proc. of IEEE Applied Power Electronics Conference, Austin, TX, March 2005, pp. 114-120.
  24. *C. Liu, *A. Johnson, and J.S. Lai, "A Novel Phase-shifting Circuit Using Digital First-In-First-Out (FIFO) for Multiphase Power Converter Interleaved Control," in Proc. of IEEE Workshop on Computers in Power Electronics, Champaign, IL, Aug. 2005, pp. 80-85.
  25. *C. Liu, *A. Johnson, and J.S. Lai, "Modeling and Control of a Novel Six-Leg Three-Phase High-Power Converter for Low-Voltage Fuel Cell Applications," in Proc. of IEEE Power Electronics Specialists Conference, Aachen, Germany, June 2004, pp. 4715 - 4721.
  26. *J. Ferrell, Jih-Sheng Lai, *T. Nergaard, *X. Huang, L. Zhu and R. Davis, "The Role of Parasitic Inductance in High-Power Planar Transformer Design and Converter Integration," in Proc. of IEEE Applied Power Electronics Conference, Anaheim, CA, Feb 2004, pp. 510 - 515.
  27. *H. Kouns, Jih-Sheng Lai, C. E. Konrad, Analysis of a Traction Induction Motor Drive Operating under Maximum Efficiency and Maximum Torque per Ampere Conditions," in Proc. of IEEE Applied Power Electronics Conference, Anaheim, CA, Feb 2004, pp. 545 - 551.
  28. *X. Huang, Jih-Sheng Lai, *E. Pepa, "Analytical Evaluation of Modulation Effect on Three-Phase Inverter Differential Mode Noise Prediction," in Proc. of IEEE Applied Power Electronics Conference, Anaheim, CA, Feb 2004, pp. 681 - 687.
  29. *J. Reichl, D. Berning, A. Hefner, and J-S. Lai, "Six-Pack IGBT Dynamic Electro-Thermal Model: Parameter Extraction and Validation," in Proc. of IEEE Applied Power Electronics Conference, Anaheim, CA, Feb 2004, pp. 246 - 251.
  30. *Changrong Liu, *Amy Johnson, and Jih-Sheng Lai, " A Novel Three-Phase High-Power Soft Switched DC/DC Converter for Low Voltage Fuel Cell Applications," in Proc. of IEEE Applied Power Electronics Conference, Anaheim, CA, Feb 2004, pp. 1365 - 1371.
  31. Jih-Sheng Lai, *X. Huang, S. Chen, T. Nehl, "Inverter EMI Modeling and Simulation Methodologies," in Proc. of IEEE Industrial Electronics Conference, Roanoke, VA, Nov. 2003, pp. 1533 - 1539.
  32. Jih-Sheng Lai, "Power Electronics Applications in Renewable Energy Systems," in Proc. of IEEE Industrial Electronics Conference, Roanoke, VA, Nov. 2003, pp. 3025 - 3026.
  33. *C. Smith, *D. Urciuoli, *M. Gilliom, *E. Pepa, *A. McLandrich, Jih-Sheng Lai, "A Novel Three-Phase DC/DC Converter Based Power Conditioning for Solid-Oxide Fuel Cells," in Proceedings of Special Session of 2003 Fuel Cell Seminar, Miami, FL, Nov. 2003, pp. 8 - 15.
  34. *X. Huang, *E. Pepa, Jih-Sheng Lai, S. Chen, T. W. Nehl, "Three-Phase Inverter Differential Mode EMI Modeling and Prediction in Frequency Domain," Conf. Rec. of IEEE IAS Annual Meeting, Salt Lake City, UT, Oct. 2003, pp. 2048 - 2055.
  35. *H. Yu, Jih-Sheng Lai, J. Zhao and B. Wright, "Gate Driver Based Soft-Switching for SiC BJT Inverter," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Acapulco, Mexico, June 2003, pp. 1857 - 1862.
  36. *C. Liu, Jih-Sheng Lai, *C. Smith, H.Yu, J. Black and J. Gander, "Control Design For A High Performance Amplitude/Phase Modulated Digital-To-Synchro Switching Power Converter," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Acapulco, Mexico, June 2003, pp. 1671 - 1676.
  37. Jih-Sheng Lai, "Designing the Next Generation Distribution Transformers: New Power Electronic-Based Hybrid and Solid-State Design Approaches," in IASTED Power and Energy Systems Conference, Palm Spring, CA, Feb. 2003, pp. 262 - 267.
  38. *H. Zhu, B. Arnet, L. Haines, E. Shaffer, J. S. Lai, "Grid Synchronization Control without AC Voltage Sensors," in Conf. Rec. of IEEE Applied Power Electronics Conference, Miami, FL, Feb. 2003, pp. 172 - 178.
  39. *H. Yu, Jih-Sheng Lai, *X. Huang, J. Zhao, J. Zhang, X. Hu, J. Carter, and L. Fursin, "A Gate Driver Based Soft-Switching SiC Bipolar Junction Transistor," in Conf. Rec. of IEEE Applied Power Electronics Conference, Miami, FL, Feb. 2003, pp. 968 - 976.
  40. J. J. Rodriguez, *J. Reichl, A. Hefner, D. Berning, M. Velez-Reyes, and Jih-SHeng Lai, "Thermal Component Models for Electro-thermal Analysis of Multichip Power Modules," in Conf. Rec. of IEEE IAS Annual Meeting, Pittsburgh, PA, Oct. 2002, pp. 234 - 241.
  41. *T. A. Nergaard, *H. E. Kouns, Jih-Sheng Lai, and C. E. Konrad, "Optimal System Efficiency Operation of an Induction Motor Drive," in Conf. Rec. of IEEE IAS Annual Meeting, Pittsburgh, PA, Oct. 2002, pp. 826 - 831.
  42. Jih-Sheng Lai, *H. E. Kouns, J. Bond, "A Low-Inductance DC Bus Capacitor for High Power Traction Motor Drive Inverters," in Conf. Rec. of IEEE IAS Annual Meeting, Pittsburgh, PA, Oct. 2002, pp. 955 - 966.
  43. Jih-Sheng Lai, *Xudong Huang, Shaotang Chen and Thomas Nehl, "EMI Characterization and Simulation with Parasitic Models for a Low-Voltage High Current AC Motor Drive," in Conf. Rec. of IEEE IAS Annual Meeting, Pittsburgh, PA, Oct. 2002, pp. 2548 - 2554.
  44. *Huijie Yu, Jih-Sheng Lai, X. Li, Y. Luo, L. Fursin, J. H. Zhao, P. Alexandrov, B. Wright, and M. Weiner, "A Novel Voltage Driven Base Drive for High Voltage SiC Bipolar Junction Transistor," in Conf. Rec. of IEEE IAS Annual Meeting, Pittsburgh, PA, Oct. 2002, pp. 2609 - 2613.
  45. *X. Huang, *X. Wang, *J. Ferrell, *T. Nergaard, Jih-Sheng Lai, X. Xu, and L. Zhu, "Parasitic Ringing and Design Issues of High Power Interleaved Boost Converters," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Cairns, Australia, June 2002, pp. 30 - 38.
  46. *X. Wang and Jih-Sheng Lai, "Small-Signal Modeling and Control for PWM Control of Switched Reluctance Motor Drives," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Cairns, Australia, June 2002, pp. 546 - 551.
  47. *J. Kim, Jih-Sheng Lai, and C. E. Konrad, "Thermal Interface Void Reduction Techniques for Direct-Soldered Power Modules," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Cairns, Australia, June 2002, pp. 743 - 747.
  48. *C. Liu, *T. Nergaard, *L. Leslie, *J. Ferrell, *X. Huang, *T. Shearer, *J. Reichl and Jih-Sheng Lai, and J. Bates, Power Balance Control And Voltage Conditioning For Fuel Cell Converter With Multiple Sources," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Cairns, Australia, June 2002, pp. 2001 - 2006.
  49. *T. Nergaard, *J. Ferrell, *L. Leslie, and Jih-Sheng Lai, "Design Considerations for a 48 V Fuel Cell to Split Single Phase Inverter System with Ultracapacitor Energy Storage," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Cairns, Australia, June 2002, pp. 2007 - 2012.
  50. *C. Liu, *H. Yu, *C. Smith and Jih-Sheng Lai, "A High Performance Amplitude/Phase Modulated Digital-To-Synchro Switching Power Converters Using ADMC401 DSP," in Proc. of IEEE Workshop on Computers in Power Electronics, June 2002.
  51. P. Duncan, L. G. Leslie, J. F. Ferrell, W. L. Cornwell, J. A. Schoreder, Jih-Sheng Lai, and T. Nergaard, "An Optically Isolated HV-IGBT Based Mega-Watt Cascade Inverter Building Block for DER Applications", in Proc. of Electrical Energy Storage Systems - Applications and Technology (EESAT), San Francisco, CA, April 2002, pp. 52 - 61.
  52. S. Sirisukprasert, Z. Xu, B. Zhang, Jih-Sheng Lai, and A. Q. Huang, "A High-Frequency 1.5 MVA H-Bridge Building Block for Cascaded Multilevel Converters using Emitter Turn-Off Thyristerin," in Proc. of IEEE Applied Power Electronics Conference, Dallas, TX, Feb. 2002, pp. 27 - 32.
  53. A. Hefner, D. Berning, T. McNutt, A. Mantooth, Jih-Sheng Lai, R. Singh, "Characterization and modeling of silicon-carbide power devices," in Proc. of International Semiconductor Device Research Symposium, 2001, pp. 568 - 571.
  54. W. Dong, J-Y. Choi, Y. Li, D. Boroyevich, F. C. Lee, Jih-Sheng Lai, "Comparative Experimental Evaluation of Soft-Switching Inverter Techniques for Electric Vehicle Drive Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Chicago, IL, Sep. 2001, pp. 1469 - 1476.
  55. Huijie Yu, Xudong Huang and Jih-Sheng Lai, "A Novel Load Adaptive Zero Voltage Switching Utilizing Diode Reverse Recovery Current for Soft-Switching Choppers," Conf. Rec. of IEEE IAS Annual Meeting, Chicago, IL, Sep. 2001, pp. 1845 - 1850.
  56. Jih-Sheng Lai, *X. Huang, *H. Yu, A. Hefner, D. Berning, R. Singh, "High Current SiC JBS Diode Characterization for Hard- and Soft-Switching Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Chicago, IL, Sep. 2001, pp. 384 - 390.
  57. *S. Sirisukprasert, Jih-Sheng Lai, T. H. Liu, "Cascade Multilevel Converter with Minimum Voltage Sources," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Vancouver, Canada, June 2001, pp. 1346 - 1350.
  58. *B.-M. Song, S. Gurol, C.-Y. Jeong, D.-W. Yoo, Jih-Sheng Lai, "A Soft-Switching High-Voltage Active Power Filter with Flying Capacitors for Urban Maglev System Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Chicago, IL, Sep. 2001, pp. 1461 - 1469.
  59. W. Dong, J, Choi, H. Yu, F. Lee, D. Boroyevich and J. Lai, "Comprehensive Evaluation of Auxiliary Resonant Commutated Pole lnvcrkr for Electric Vehicle Applications," in Proc. of IEEE Power Electronics Specialists Conference, Vancouver, Canada, June 2001, pp. 625 - 630.
  60. *H. Yu, *X. Huang, Jih-Sheng Lai, "A Load Adaptive Zero Voltage Switching Utilizing Diode Reverse Recovery Current for Soft-Switching Choppers and Inverters," in Proc. of IEEE Power Electronics Specialists Conference, Vancouver, Canada, June 2001, pp. 146 - 151.
  61. *X. Huang, *H. Yu, and Jih-Sheng Lai, A. R. Hefner, Jr., and D. W. Berning, "Characterization of Paralleled Cool MOSFETs under Hard- and Soft-Switching Conditions," in Proc. of IEEE Power Electronics Specialists Conference, Vancouver, Canada, June 2001, pp. 2145 - 2150.
  62. *S. Sirisukprasert, T. H. Liu, Jih-Sheng Lai, "Optimum Harmonic Reduction with a Wide Range of Modulation Indexes for Multilevel Converters," in Conf. Rec. of IEEE IAS Annual Meeting, Rome, Italy, Oct. 2000, pp. 2094 - 2099.
  63. A. Hefner, D. Berning, Jih-Sheng Lai, *C. Liu, "Silicon Carbide Merged PiN Schottky Diode Switching Characteristics and Evaluation for Power Supply Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Rome, Italy, Oct. 2000, pp. 2948 - 2954.
  64. X. Jia, Jih-Sheng Lai, *B. M. Song, "Analysis of Polyphase Brushless Exciter," in Conf. Rec. of IEEE IAS Annual Meeting, Rome, Italy, Oct. 2000, pp. 545 - 551.
  65. *R. Zhou, Jih-Sheng Lai, "Low-Speed Performance Comparison of Induction Motor Sensorless Control Methods," in Proc. of IEEE Workshop on Computers in Power Electronics, Blacksburg, VA, August 2000, pp. 247 - 252.
  66. K. Wang, Jih-Sheng Lai, F. C. Lee, "Design, Implementation, and Experimental Results of Bi-directional Full-bridge DC/DC Converter with Unified Soft-switching Scheme and Soft-starting Capability," in Proc. of IEEE Power Electronics Specialists Conference, Galway, Ireland, June 2000, pp. 1058 - 1063.
  67. Y. Li, F. C. Lee, J. Lai and D. Boroyevich, "A Low Cost Three-Phase Zero-Current-Transition with Three Auxiliary Switches," in Proc. of IEEE Power Electronics Specialists Conference, Galway, Ireland, June 2000, pp. 527-532.
  68. R. Singh, S.-H. Ryu, J. W. Palmour, A. R. Hefner, Jih-Sheng Lai, "1500 V, 4 Amp 4H-SiC JBS Diodes," in Proc. of ISPSD, Toulouse, France, May 2000. pp. 1 - 5.
  69. Jih-Sheng Lai, "Soft-Switching Inverters for Electric Propulsion Drives with Consideration of Motor Types," in Proc. of International Power Electronics Conference, Tokyo, Japan, April 2000, pp. 1973 - 1978.
  70. *B. M. Song, *N. Yadlapalli, Jih-Sheng Lai, "Novel Auxiliary Resonant Snubber Converter for Switched Reluctance Motor Drives," in Proc. of International Power Electronics Conference, Tokyo, Japan, April 2000, pp. 560 - 565.
  71. W. Dong, D. Peng, H. Yu, J. Lai, F.C. Lee, "An Improved Zero-Voltage-Transition Inverter Using Coupled Inductors," in Proc. of International Power Electronics Conference, Tokyo, Japan, April 2000, pp. 1621 - 1626.
  72. W. Dong, H. Yu, F.C. Lee, and J.-S. Lai, "A Novel Load Adaptive Soft-Switching Control for Delta-Configured Resonant Snubber Inverter," in Proc. of International Power Electronics Conference, Tokyo, Japan, April 2000, pp. 2214 - 2219.
  73. K. Wang, F. C. Lee, Jih-Sheng Lai, "Operation Principles of Bi-directional Full-Bridge DC/DC Converter with Unified Soft-Switching Scheme and Soft-Starting Capability," in Proc. of IEEE Applied Power Electronics Conference, New Orleans, LA., Feb. 2000, pp. 111 - 118.
  74. W. Dong, J. Choi, Y. Li, H. Yu, J. Lai, D. Boroyevich and F. C. Lee, "Efficiency Considerations of Load Side Soft-switching lnverters in Electric Vehicle Applications," in Proc. of IEEE Applied Power Electronics Conference, New Orleans, Feb. 2000, pp. 1049-1055.
  75. Y. Li, F. C. Lee, J. Lai and D. Boroyevich, "A Novel Three-phase Zero-Current-Transition and Quasi-Zero-Voltage-Transition (ZCT- QZVT) Invcrtcr/Rcctificr with Reduced Stresses on Devices and Components," in Proc. of IEEE Applied Power Electronics Conference, New Orleans, Feb. 2000, pp. 1030-1036.
  76. L. Zhu, K. Wang, Jih-Sheng Lai, F. C. Lee, "New Start-up Schemes for Active-Clamp isolated Full-Bridge Boost Converters," in Proc. of IEEE Applied Power Electronics Conference, New Orleans, LA., Feb. 2000, pp. 309 - 313.
  77. *B. M. Song, *H. Zhu, J. S. Lai, and A. Hefner, "Switching Characteristics of NPT- and PT- IGBTs under Zero-Voltage Switching Conditions," in Conf. Rec. of IEEE IAS Annual Meeting, Phoenix, AR, Oct. 1999, pp. 722 - 728.
  78. J. Lai, *B. M. Song, *R. Zhou, A. Hefner, D. Berning, and C. Shen, "Characteristics and Utilization of a New Class of Low On-Resistance MOS-Gated Power Device," in Conf. Rec. of IEEE IAS Annual Meeting, Phoenix, AR, Oct. 1999, pp.1073 - 1079.
  79. *B. M. Song and J. S. Lai, "A Novel Two-Quadrant Soft-Switching Converter with One Auxiliary Switch for High Power Applications," in Conf. Rec. of IEEE IAS Annual Meeting, Phoenix, AR, Oct. 1999, pp. 2003 - 2008.
  80. *H. Zhu, J. S. Lai, and A. Hefner, "Modeling Based Examination of Conducted EMI Emissions from Hard- and Soft-Switching PWM Inverters," in Conf. Rec. of IEEE IAS Annual Meeting, Phoenix, AR, Oct. 1999, pp. 1879 - 1886.
  81. *B. M. Song, *H. Zhu, J. S. Lai, and A. Hefner, "Switching Characteristics of NPT- and PT- IGBTs under Zero-Voltage Switching Conditions," in Conf. Rec. of IEEE IAS Annual Meeting, Phoenix, AR, Oct. 1999, pp. 722 - 728.
  82. *H. Yu, *B. M. Song, and J. Lai, "Design of a Novel Soft-Switching Chopper," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Charleston, SC, June 1999, pp. 287 - 292.
  83. *H. Zhu, J. S. Lai, A. Hefner, C. Chen, "Analysis of Conducted EMI Emission from PWM Inverter Based on Empirical Model and Comparative Experiments," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Charleston, SC, June 1999, pp. 861 - 867.
  84. *B. M. Song, J. S. Lai, and S. K. Kwon, " Design Criteria of the Auxiliary Resonant Snubber Inverter Using Load-Side Circuit for Electric Propulsion Drives," in Proc. of International Conference on Power Electronics, Seoul, Korea, Oct. 26-31, 1998, pp. 37 - 42.
  85. K. Wang, *D. Qu, L. Zhu, J. Lai, F. C. Lee, "Bi-directional Full-Bridge DC/DC Converters for Fuel Cell Applications," in Proc. of IEEE Workshop on Power Electronics in Transportation, Dearborn, MI, Oct. 1998, pp. 47 - 52.
  86. *Y. Tang, J. Lai, C. Chen, "EMI Experimental Comparison of PWM Inverters Between Hard- and Soft-Switching Techniques," in Proc. of IEEE Workshop on Power Electronics in Transportation, Dearborn, MI, Oct. 1998, pp. 71 - 78.
  87. *H. Zhu, A. Hefner, and J. Lai, "Characterization of Power Electronics System Interconnect Parasitics Using Time Domain Reflectomery," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Fukuoka, Japan, May 1998, pp. 1937-1943.
  88. *B. M. Song, S. L. Lee, and J. Lai, "An Improved Three-Phase Auxiliary Resonant Snubber Inverter for AC Motor Drive Applications," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Fukuoka, Japan, May 1998, pp. 423-428.
  89. C. C. Chan, J. Lai, et al., "Switching Characteristics and Efficiency Improvement with Auxiliary Resonant Snubber Based Soft-Swtiching Inverters," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Fukuoka, Japan, May 1998, pp. 429-435.
  90. Jih-Sheng Lai, "Fundamental of Resonant Snubber Based Soft-Switching Inverters," in Proc. Of IEEE IECON, New Orleans, LA, Nov. 1997, pp. 640-645.
  91. Tom Key and Jih-Sheng Lai, "IEEE and International Harmonic Standards Impact on Power Electronic Equipment Design, in Proc. of IEEE IECON, New Orleans, LA, November 1997, pp. 430-436.
  92. X. Kun, Jih-Sheng Lai, et al., "Adjustable Speed Drive Neutral Voltage Shifting and Grounding Issues of a DC Distributed System," in Conf. Rec. of IEEE IAS Annual Meeting, New Orleans, LA, Oct. 1997, pp. 517-523.
  93. Jih-Sheng Lai, "Recent Motor Drive Compatibility and Application Issues," in Proc. of Advanced Materials and Related Technologies, invited paper, Taejon, Korea, May 1997, pp. C-26-C-32.
  94. Fang Zheng Peng and Jih-Sheng Lai, "Application Considerations and Compensation Characteristics of Shunt Active and Series Active Filters in Power Systems," in Proc. of IEEE ICHQP, Las Vegas, NV, Oct. 1996, pp. 451-456.
  95. Fang Zheng Peng and Jih-Sheng Lai, "Reactive Power and Harmonic Compensation Based on the Generalized Instantaneous Reactive Power Theory for Three-Phase Power Systems," in Proc. Of IEEE ICHQP, Las Vegas, NV, Oct. 1996, pp. 961-967.
  96. Jih-Sheng Lai and Tom Key, "Effectiveness of Harmonic Mitigation Methods for Building Wiring Systems," in Conf. Rec. of IEEE IAS Annual Meeting, San Diego, CA, October 1996, pp. 2244-2250.
  97. Fang Zheng Peng and Jih-Sheng Lai, "Dynamic Performance and Control of a Static VAR Generator Using Cascade Multilevel Inverters," in Conf. Rec. of IEEE IAS Annual Meeting, San Diego, CA, Oct. 1996, pp. 967-972.
  98. Jih-Sheng Lai, "Resonant Snubber Based Soft-Switching Inverters for Electric Propulsion," in Proc. of IEEE Industrial Electronics Conference, Taipei, Taiwan, Aug. 1996, pp. 47-52.
  99. Jih-Sheng Lai, "Practical Design Methodology of Auxiliary Resonant Snubber Inverter," in Conf. Rec. of IEEE Power Electronics Specialists Conference, Baveno, Italy, June 1996, pp. 432-437.

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