Recent News:
Jason Lai leads solar energy course for Bluefield State College (Oct. 2012)
Jason Lai named Virginia Tech Scholar of the Week (May 2012)
Jason Lai, inventor of energy savings devices, receives Tucker Professorship (March 2012)
Commercializing photovoltaic inverters (2012 Annual Report)
Lai receives grant from Center for Innovative Technology (Dec. 2011)
Making solar energy affordable, efficient (2011 Annual Report)
Jason Lai receives the Dean's Award for Excellence in Research (May 2010)
The new solar: Making solar energy affordable, efficient & user-friendly (2010 Annual Report)
ECE faculty receive $3.2 million Solar Award Grant (Oct. 2009)
FreedomCAR: Seeking 98.5% efficiency (2008 Annual Report)
Seeking 20x cost savings for fuel cell inverter (Feb. 2003)
A powerful dream, but it needs EEs to make it work (2003 Annual Report)
Blue diamond transistor (2003 Annual Report)
Office: 106 Plantation Road
Mailing Address: 302 Whittemore (0111)
Virginia Tech
Blacksburg, VA 24061
Tel: (540) 231-4741
Fax: (540) 231-3362
vt.edu Email: laijs
Affiliated Research Group
Future Energy Electronics Center
Title: James S. Tucker Professor
Education:
Ph.D., Univ. of Tennessee at Knoxville, 1989
M.S., Univ. of Tennessee at Knoxville, 1985
B.S., National Taiwan Norman Univ., 1975
Teaching Interests:
Power electronics
Research Interests:
High-power converters for utility applications
- DC Fast Charger, sponsored by Princeton Power.
- PM Motor Drive Control Development, sponsored by Industrial Technology Research Institute
- Wind Generation Control for Smart Grid, sponsored by Institute of Nuclear Energy Research
- Photovoltaic Inverter Development, sponsored by Virginia CIT
- Field Verification of High-Penetration Levels of PV into the Distribution Grid, Sponsored by DOE HiPen PV Program
- Y. Cho, T. LaBella, and J.-S. Lai,, “A Three-Phase Current Reconstruction Strategy With Online Current Offset Compensation Using a Single Current Sensor,” IEEE Trans. on Industrial Electronics, pp. 2924-2933, July 2012.
- H. Ma, J.-S. Lai, Q. Feng, W. Yu, C. Zheng, and Z. Zhao, “A Novel Valley-Fill SEPIC-derived Power Supply without Electrolytic Capacitor for LED Lighting Application,” IEEE Trans. on Power Electronics, pp. 3057-3071, June 2012.
- P. Sun, J.-S. Lai, C. Liu, and W. Yu, “A 55kW Three-Phase Inverter Based on Hybrid-Switch Soft-Switching Modules for High Temperature Hybrid Electric Vehicle Drives Application,” IEEE Trans. on Industry Applications, pp. 962–969, May 2012.
- P. Sun, J.-S. Lai, C. Liu, and C.-L. Chen, “Grid-Tie Control of Cascade Dual-Buck Inverter with Wide-Range Power Flow Capability for Renewable Energy Applications,” IEEE Trans. on Power Electronics, pp. 1839 – 1849, April 2012.
- Z. Zhao, M. Xu, Q. Chen, Y. Cho, and J.-S. Lai, “Derivation of Boost-Buck Converter Based High-Efficiency Robust PV Inverter,” IEEE Trans. on Power Electronics, pp. 1304 – 1313, March 2012.
- Y. Cho, A. Koran, H. Miwa, B. York, and J.-S. Lai, “An Active Current Reconstruction and Balancing Strategy with DC Link Current Sensing for a Multi-Phase Coupled-Inductor Converter,” IEEE Trans. on Power Electronics, pp. 1697-1705, April 2012.
- P. Sun, C. Liu, J.-S. Lai, and C.-L. Chen, “Cascade Dual Buck Inverter with Phase-Shift Control,” IEEE Trans. on Power Electronics, pp. 2067 – 2077, April 2012.
- P. Sun, C. Liu, J.-S. Lai, C.-L. Chen, and N. Kees, “Three-Phase Dual-Buck Inverter with Unified Pulse Width Modulation,” IEEE Trans. on Power Electronics, pp. 1159 – 1167, March 2012.
- W. Yu, J.-S. Lai, G. Lisi, H. Ma and C. Zheng, “High Efficiency DC-DC Converter with Twin-Bus for Dimmable LED Lighting,” IEEE Trans. on Power Electronics, pp. 2095-2100, August 2011.
- C. Liu, P. Sun, J.-S. Lai, Y. Ji, M. Wang, C.-L. Chen, G, Cai, “Cascade dual-boost/buck active-front-end converter for intelligent universal transformer,” IEEE Trans. on Industrial Electronics, pp. 4671–4680, December 2012.