Zheyu Zhang

Electrical, Computer, and Systems Engineering

About

Dr. Zheyu Zhang is an assistant professor at Rensselaer Polytechnic Institute. He was a Research Assistant Professor in the Department of Electrical Engineering and Computer Science at the University of Tennessee, Knoxville from 2015 to 2018; Lead Power Electronics Engineer of General Electric Research at Niskayuna, NY, USA from 2018 to 2019; and Warren H. Owen – Duke Energy Assistant Professor of Engineering at Clemson University from 2019 to 2023. 

He has published 100+ papers in the most prestigious journals and conference proceedings, filed 10+ patent applications, authored one book and one book chapter, and presented 10+ IEEE tutorial seminars and webinars. His research interests include wide bandgap-based power electronics characterization and applications. Dr. Zhang is currently the Standard Vice-Chair of IEEE IAS Power Electronics Devices and Components Committee, Associate Editors for IEEE Transactions on Power Electronics and IEEE Transactions on Industry Applications. He was the recipient of four prize paper awards from the IEEE Industry Applications Society and IEEE Power Electronics Society, 2021 IEEE IAS Andrew W. Smith Outstanding Young Member Achievement Award and 2022 NASA Early Career Faculty Award. He is a senior member of IEEE.

Education & Training

University of Tennessee, Knoxville, TN.   Electrical Engineering, Ph.D., 2015.

Huazhong University of Science and Technology, Wuhan, China. Electrical Engineering, M.Sc., 2011.

Huazhong University of Science and Technology, Wuhan, China. Electrical Engineering, B.Sc., 2008.

Research

  •      Wide bandgap (WBG) semiconductors and WBG-based power electronics
  •      Cryogenic power electronics     
  •      Power electronics reliability and system protection
  •      Applications on electrified transportation, space power, energy storage, and renewables
Primary Research Focus
Power Electronics, Power Semiconductors

Teaching

Current Courses

ECSE 4080 - Semiconductor Power Electronics

Recognition

Awards & Honors
  • First Place Prize Paper Award, IEEE Power Electronics Letters, 2023
  • NASA Early Career Faculty Award, 2022
  • Outstanding Presentation Award, PV Reliability Workshop, 2022
  • Andrew W. Smith Outstanding Young Member Achievement Award, IEEE Industry Applications Society, 2021
  • Second Place Prize Paper Award, IEEE Transactions on Power Electronics, 2020
  • Spotlight Paper, October 2019 issue, IEEE Transactions on Power Electronics, 2019
  • Warren H. Owen – Duke Energy Assistant Professor of Engineering, Clemson University, 2019 – 2023
  • Senior Member of IEEE, 2019
  • Outstanding UT Inventor, UT Research Foundation Innovation Award, The University of Tennessee (UT), Knoxville, 2018
  • Outstanding Presentation Award, IEEE Applied Power Electronics Conference and Exposition, 2018
  • Outstanding Reviewer Award, IEEE Transactions on Power Electronics, 2016
  • Second Place Prize Paper Award, IEEE Transactions on Power Electronics, 2016
  • William Portnoy Paper Award (First Place Prize) of the IEEE Industry Applications Society Power Electronics Devices and Components Committee, 2015
  • Finalist, Google’s Little Box Challenge, 2015
  • Outstanding Achievement Award, Electric Power Research Institute (EPRI), 2015
  • Chancellor’s Citation for Extraordinary Professional Promise, The University of Tennessee, Knoxville, 2015
  • Outstanding Presentation Award, IEEE Applied Power Electronics Conference and Exposition, 2015
Presentations & Appearances

Educational Seminars (10)

  1. IEEE ECCE 2023 Tutorial, “Understanding of observed switching waveform for high-speed SiC devices: from application perspectives with analytical insights,” with X. She, October 2023.
  2. IEEE ECCE 2023 Tutorial, “Cryogenic power electronics design,” with F. Wang, R. Chen, and S. K. Dam, October 2023.
  3. Center for Advanced Power Engineering Research (CAPER) 2022 Fall Conference Tutorial, “Inverter-based resources (IBR) technology, modeling integration and standards,” with J. Enslin, November 9, 2022
  4. IEEE ECCE 2021 Tutorial, “Cryogenic power electronics design for electrified aircraft propulsion,” with F. Wang, R. Chen, and S. Liu, October 10, 2021.
  5. IEEE ECCE-Asia Tutorial, “Design of high-frequency SiC converter for medium voltage high-power applications,” with D. Dong, November 28, 2021.
  6. IEEE ECCE 2020 Tutorial, “High-efficient, High-reliable Energy Storage Power Conversion Systems (PCS) for Increased Renewable Energy and Electric Vehicle Integration,” with J. Enslin, October 11, 2020.
  7. IEEE APEC 2019 Professional Education Seminar, “WBG device characterization for converter design: challenges and solutions,” with F. Wang and E. Jones, March 17, 2019. 
  8. IEEE APEC 2019 Professional Education Seminar, “Design issues for high power and high performance SiC converters,”with J. He, J. Sabate, M. Schutten, and Y. Singh, March 17, 2019. 
  9. IEEE APEC 2016 Professional Education Seminar, “Wide bandgap device characterization,” with F. Wang and E. Jones, March 20, 2016. 
  10. IEEE WiPDA2014 Tutorial, “Driving and characterization of wide bandgap semiconductors for voltage source converter applications,” with F. Wang, October 13, 2014.

Webinars (2)

  1. IEEE IAS Webinar, “Cryogenic power electronics for electrified aircraft propulsion,” March 17, 2021.
  2. IEEE PELS Webinar, “Driving, monitoring and protection technology for SiC devices using intelligent gate drive,” November 6, 2019.

Short Course (1)

  1. AIAA/IEEE TEC Online Short Course, “Cryogenic Power Electronics,” Electrified Aircraft Propulsion: Powering the Future of Air Transportation with F. Wang and R. Chen, November 4, 2020.

Publications
Google Scholar

Book (1)

  1. F. Wang, Z. Zhang, E. Jones, “Characterization of Wide Bandgap Power Semiconductor Devices,” Institution of Engineering and Technology, Sept. 2018

Book Chapter (1)

  1. Z. Zhang, F. Wang, R. Chen, and H. Gui, “Chapter 6 ― Cryogenic Power Electronics,” for an edited book entitled “Electrified Aircraft Propulsion,” Cambridge University Press, 2022

Journal Papers (36)

  1. D. Zhang, Y. Xu, B. Jonathan, Z. Zhang, D. Qin*, and D. Dong, “A solid-state circuit breaker without current limiting inductor,” in IEEE Transactions on Industry Applications, early access. 
  2. Z. Dong, C. H. Yang, S. K. Dam, D. Qin*, R. Chen, F. Wang, K. Bai, and Z. Zhang, “A current limiting strategy for WBG based solid-state circuit breakers with series connected switching cells,” in IEEE Transactions on Power Electronics, vol. 37, no. 12, pp. 14062-14066, Dec. 2022.
  3. R. Singh, P. Paniyil and Z. Zhang, “Transformative role of power electronics: in solving climate emergency,” in IEEE Power Electronics Magazine, vol. 9, no. 2, pp. 39-47, June 2022.
  4. L. Ravi, D. Zhang, D. Qin*, Z. Zhang, Y. Xu and D. Dong, “Electronic MOV based voltage clamping circuit for DC solid-state circuit breaker applications," in IEEE Transactions on Power Electronics, vol. 37, no. 7, pp. 7561-7565, July 2022. (Prize paper award)
  5. T. Shahsavarian, D. Zhang, P. McGinnis, S. Walker, Z. Zhang and Y. Cao, “Altitude readiness of high-voltage IGBTs subjected to the partial discharge at harsh environmental conditions for hybrid electric aircraft propulsion,” in IEEE Transactions on Power Electronics, vol. 37, no. 4, pp. 3733-3736, April 2022.
  6. Z. Zhang, H. Tu, X. She, T. Sadilek, R. Ramabhadran, H. Hu, and W. Earls, “High-efficiency silicon carbide (SiC) based buck-boost converter in energy storage system,” in IEEE Industry Applications Magazine, vol. 27, no. 3, pp. 51-62, May-June 2021.
  7. H. Gui, R. Rui, Z. Zhang, J. Niu, L. M. Tolbert, F. Wang, D. J. Costinett, B. J. Blalock, and Benjamin Choi, “Methodology of low inductance busbar design for three-level converters,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 3, pp. 3468-3478, June 2021.
  8. W. Zhang, Z. Zhang, F. Wang, E. V. Brush and N. Forcier, “High-bandwidth low-inductance current shunt for wide-bandgap devices dynamic characterization,” in IEEE Transactions on Power Electronics, vol. 36, no. 4, April 2021, pp. 4522-4531.
  9. H. Gui, Z. Zhang, R. Chen, J. Niu, L. M. Tolbert, F. Wang, D. J. Costinett, B. J. Blalock, and B. Choi, “Gate drive technology evaluation and development to maximize switching speed of SiC discrete devices and power modules in hard switching applications,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 4, Dec. 2020, pp. 4160-4172.
  10. H. Gui, R. Chen, Z. Zhang, J. Niu, R. Ren, B. Liu, L. M. Tolbert, F. Wang, D. J. Costinett, B. J. Blalock, and Benjamin Choi, “Modeling and mitigation of multi-loops related device overvoltage in three level active neutral point clamped converter,” in IEEE Transactions on Power Electronics, vol. 35, no. 8, Aug. 2020, pp. 7947-7959.
  11. H. Gui, Z. Zhang, R. Rui, R. Ren, J. Niu, H. Li, Z. Dong, C. Timms, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, and Benjamin Choi, “Development of high power high switching frequency cryogenically-cooled inverter for aircraft applications,” in IEEE Transactions on Power Electronics, vol. 35, no. 6, June 2020, pp. 5670-5682. (Prize paper award)
  12. H. Gui, R. Rui, J. Niu, Z. Zhang, L. M. Tolbert, F. Wang, B. J. Blalock, D. J. Costinett, and Benjamin Choi, “Review of power electronics components at cryogenic temperature,” in IEEE Transactions on Power Electronics, vol. 35, no. 5, May 2020, pp. 5144-5156.
  13. R. Rui, J. Niu, H. Gui, Z. Zhang, F. Wang, L. M. Tolbert, D. J. Costinett, and B. J. Blalock, “Modeling, analysis, and reduction of harmonics in paralleled and interleaved three-level neutral point clamped inverters with space vector modulation,” in IEEE Transactions on Power Electronics, vol. 35, no. 4, April 2020, pp. 4411-4425.
  14. R. Ren, H. Gui, Z. Zhang, R. Rui, J. Niu, F. Wang, L. M. Tolbert, D. J. Costinett, B. J. Blalock, and B. B. Choi, “Characterization and failure analysis of 650 V enhancement-mode GaN HEMT for cryogenically-cooled power electronics,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 1, March 2020, pp. 66-76.
  15. B. Liu, R. Ren, F. Wang, D. Costinett, and Z. Zhang, “Capacitive coupling in EMI filters containing T-shaped joint: mechanism, effects, and mitigation,” in IEEE Transactions on Power Electronics, vol. 35, no. 3, March 2020, pp. 2534-2547.
  16. B. Liu, R. Ren, F. Wang, D. Costinett, and Z. Zhang, “Winding scheme with fractional layer for differential-mode toroidal inductor,” in IEEE Transactions on Industrial Electronics, vol. 67, no. 2, Feb. 2020, pp. 1592-1604.
  17. Z. Zhang, L. M. Tolbert, D. Costinett, F. Wang, and B. J. Blalock, “A new hands-on course in characterization of wide bandgap Devices,” in IEEE Transactions on Power Electronics, vol. 34, no. 10, Oct. 2019, pp. 9392-9403. (Spotlight paper)
  18. Z. Zhang, B. Guo, F. Wang, “Evaluation of switching loss contributed by parasitic ringing for fast switching wide band-gap devices,” in IEEE Transactions on Power Electronics, vol. 34, no. 9, Sept. 2019, pp. 9082-9094.
  19. Z. Zhang, J. Dyer, X. Wu, F. Wang, D. Costinett, L. M. Tolbert, and B. J. Blalock, “Online junction temperature monitoring using intelligent gate drive for SiC power devices,” in IEEE Transactions on Power Electronics, vol. 34, no. 8, Aug. 2019, pp. 7922-7932.
  20. F. Yang, Z. Wang, Z. Zhang, S. Campbell, and F. Wang, “Analysis and experimental evaluation of middle point inductance’s effect on switching transients for multiple-chip power module package,” in IEEE Transactions on Power Electronics, vol. 34, no. 7, July 2019, pp. 6613-6627.
  21. B. Liu, R. Ren, E. Jones, H. Gui, Z. Zhang, F. Wang, and D. Costinett, “Effects of junction capacitances and commutation loops associated with line-frequency devices in three-level ac/dc converters,” in IEEE Transactions on Power Electronics, vol. 34, no. 7, July 2019, pp. 6155-6170.
  22. B. Liu, R. Ren, Z. Zhang, B. Guo, F. Wang, and D. Costinett, “Impacts of high frequency, high di/dt, dv/dt environment on sensing quality of GaN based converters and their mitigation,” in CPSS Transactions on Power Electronics and Applications, vol. 3, no. 4, Dec. 2018, pp. 301-312.
  23. B. Liu, R. Ren, F. Wang, D. Costinett, Z. Zhang, “A modulation compensation scheme to reduce input current distortion in GaN based high switching frequency three-phase three-level vienna type rectifiers,” in IEEE Transactions on Power Electronics, vol. 33, no. 1, Jan. 2018, pp. 283-298.
  24. Z. Zhang, J. Dix, F. Wang, B. J. Blalock, L. M. Tolbert, and D. Costinett, “Intelligent gate drive for fast switching and cross-talk suppression of SiC devices,” in IEEE Transactions on Power Electronics, vol. 32, no. 12, Dec. 2017, pp. 9319-9332.
  25. Z. Zhang, B. Guo, F. Wang, E. Jones, L. M. Tolbert, and B. J. Blalock, “Methodology for wide band-gap device dynamic characterization,” in IEEE Transactions on Power Electronics, vol. 32, no. 12, Dec. 2017, pp. 9307-9318.
  26. Z. Zhang, H. Lu, D. Costinett, F. Wang, L. M. Tolbert, B. J. Blalock, “Model-based dead time optimization for voltage-source converters utilizing silicon carbide semiconductors,” in IEEE Transactions on Power Electronics, vol. 32, no. 11, Nov. 2017, pp. 8833-8844.
  27. S. Ji, Z. Zhang, F. Wang, “Overview of high voltage SiC power semiconductor devices: development and application,” in China Electrotechnical Society Transactions on Electrical Machines and Systems, vol. 1, no. 3, Sept. 2017, pp. 254-264. (Invited paper)
  28. B. Liu, Z. Zhang, F. Wang, “Application of GaN in hard-switching converter: challenges and potential solutions,” in China Journal of Power Electronics, vol. 51, no. 9, Sept. 2017, pp. 3-13. (Invited paper)
  29. F. Wang, and Z. Zhang, “Overview of silicon carbide technology: device, converter, system, and application,” in CPSS Transactions on Power Electronics and Applications, vol.1, no.1, Dec. 2016, pp.13-32. (Invited paper)
  30. R. Ren, B. Liu, E. Jones, F. Wang, Z. Zhang, and D. Costinett, “Capacitor-clamped, three-level GaN-Based dc–dc converter with dual voltage outputs for battery charger applications,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 3, Sept. 2016, pp. 841-853.
  31. C. Zhao, B. Trento, L. Jiang, E. Jones, B. Liu, Z. Zhang, D. Costinett, F. Wang, L. Tolbert, J. Jansen, R. Kress, R. Langley “Design and implementation of a GaN-Based, 100-kHz, 102-W/in3 single-phase inverter,” in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 3, Sept. 2016, pp. 824-840.
  32. F. Wang, Z. Zhang, T. Ericsen, R. Raju, R. Burgos and D. Boroyevich, “Advances in power conversion and drives for shipboard systems,” in Proceedings of the IEEE, vol. 103, no. 12, Dec. 2015, pp. 2285-2311. (Invited paper)
  33. Z. Zhang, F. Wang, L.M. Tolbert, B.J. Blalock, D. Costinett, “Evaluation of switching performance of SiC devices in PWM inverter fed induction motor drives,” in IEEE Transactions on Power Electronics, vol.30, no.10, Oct. 2015, pp. 5701-5711. (Prize paper award)
  34. Z. Zhang, F. Wang, L.M. Tolbert, B.J. Blalock, “Active gate driver for crosstalk suppression of SiC devices in a phase-leg configuration,” IEEE Transactions on Power Electronics, vol.29, no.4, April 2014, pp. 1986-1997.
  35. Z. Wu, X. Zou, Q Huang, Z. Zhang, Y. Zou, “Research on grid connection converter of three-phase power electronic load,” in Proceedings of the Chinese Society for Electrical Engineering, vol. 30, no. 24, 2012, pp. 2622-2628. 
  36. Z. Wu, Y. Zou, Z. Zhang, Y. Zhang, “Adaptive predictive controller of supply current applied in single-phase PWM rectifier,” in Transactions of China Electrotechnical Society, 2010.

Refereed Conference Papers (95)

  1. Y. Xu, D. Zhang, K. Brandon, R. Lakshmi, D. Qin*, and Z. Zhang, “The analysis design and optimization of an electronic MOV circuit for the solid-state circuit breaker applications,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  2. C. H. Yang, S. K. Dam, Z. Dong, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “A high efficiency 750V, 100A cryogenically cooled SSCB module for aviation application,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  3. S. K. Dam, C. H. Yang, Z. Dong, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “Module development of a high-power-density high-efficiency cryogenic solid state circuit breaker for electrified aircraft propulsion,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  4. S. K. Dam, C. H. Yang, Z. Dong, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “Module development of a high-power-density high-efficiency cryogenic solid state circuit breaker for electrified aircraft propulsion,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  5. A. Siraj*, C. Wan, D. Qin*, Y. Li*, Z. Zhang, M. Russell, and M. Ursino, “Integrated AC power cycling platform with automated characterization for T-Type power module,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  6. Y. Li*, Z. Zhang, S. Jin, and C. S. Edrington, “Accelerating switching model-based simulation through parallel computing,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct.-Nov. 2023, accepted.
  7. A. Moghassemi, C. S. Edrington, G. Ozkan, Z. Zhang, G. Muriithi, “Active thermal control of AC/DC power converter considering health monitoring of power modules,” in Electric Ship Technology Symposium, August 2023, accepted.
  8. L. Wang*, A. Reeves, B. Brown*, D. Clemens, J. Hodges, J. Ozbeytemur, S. Jin, and Z. Zhang, “Integrated large-scale data management platform for photovoltaic PCE reliability data,” in Proc. IEEE Photovoltaic Specialists Conference (PVSC), June 2022, accepted.
  9. B. Brown*, Z. Zhang, “Universal short-circuit and open-circuit fault detection for an inverter,” in International Conference on Power Electronics – ECCE Asia, May 2023, accepted.
  10. Z. Zhang, “Reliability assessment of power semiconductors in PV inverters,” in Proc. PV Reliability Workshop, February 2023.
  11. D. Qin*, Z. Zhang, S. K. Dam, C. H. Yang, Z. Dong, R. Chen, H. Bai, and F. Wang, “Intelligent gate drive for cryogenic solid-state circuit breaker with current limitation capability for aviation application,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2023, pp. 318-323.
  12. D. Zhou, C. H. Yang, S. K. Dam, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “High current turn-off of GaN HEMT for solid-state circuit breaker at cryogenic temperatures,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2023, pp. 656-660.
  13. C. H. Yang, D. Zhou, S. K. Dam, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “Paralleling 650V/150A a GaN HEMTs for cryogenically cooled solid-state circuit breaker applications,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2023, pp. 2520-2525.
  14. S. K. Dam, C. H. Yang, Z. Dong, D. Qin*, R. Chen, F. Wang, H. Bai, and Z. Zhang, “Experimental evaluation of cryogenic performances of electronic components for signal isolation in medium voltage power converters,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2023, pp. 3196-3200.
  15. D. Zhang, Y. Xu, B. Jonathan, Z. Zhang, D. Qin*, and D. Dong, “A solid-state circuit breaker without current limiting inductor,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct. 2022, pp. 1-7.
  16. A. Siraj*, M. McKinney, Z. Zhang, M. Ursino, and M. Russell, “Design and implementation of automated characterization of T-type based power module for PV inverter reliability assessment,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct. 2022, pp. 1-8.
  17. D. Qin*, Z. Zhang, D. Zhang, Y. Xu, R. Lakshmi, S. Tohid, D. Dong, and Y. Cao, “Analysis and suppression of voltage oscillation of solid-state circuit breaker entering active region,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct. 2022, pp. 1-5.
  18. Y. Men, X. Lu, Z. Zhang, and R. Thiagarajan, “Metal Oxide Varistor (MOV) lifetime estimation with impulse-based testing in PV inverter systems,” in IEEE International Symposium on Power Electronics for Distributed Generation Systems, Chicago, June 2022, pp. 1-4.
  19. L Wang*, R. Thiagarajan, S. Jin, and Z. Zhang, “Accelerating simulation for high-fidelity PV inverter system reliability assessment with high-performance computing,” in Proc. IEEE Photovoltaic Specialists Conference (PVSC), June 2022, pp. 0178-0182.
  20. B. Brown*, Z. Zhang, J. Enslin, S. Jin, R. Hadidi, J, Tan, P. Hacke, R. Thiagarajan, S. Dong, X. Lu, M. Russell, M. Ursino, J. Hodges, B. Ford, and D. Clemens, “Failure mode and effects analysis for a photovoltaic inverter,” in Proc. PV Reliability Workshop, February 2022. (Outstanding Presentation Award)
  21. Y. Li*, C. Wanger, C. Edrington, S. Jin, and Z. Zhang, “Quantitative analysis of accelerated power electronics simulation using advanced computing technology,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2022, pp. 274-278.
  22. C. Li, D. Qin*, M. A. Baferani, T. Shahsavarian, P. McGinnis, D. Dong, S. Walker, Z. Zhang, D. Zhang, Y. Cao, “Flashover characteristics of printed circuit boards at low pressures,” in IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP 2021), Oct. 2021, pp. 567-569.
  23. S. Gao*, Z. Zhang, “Linearly scalable cost-efficient parallel method for high-power wide-bandgap-based converters,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct. 2021, pp. 5578-5584.
  24. D. Qin*, D. Zhang, D. Dong, Y, Cao, Z. Zhang, “Modeling of solid-state circuit breaker during current interruption phase,” in Proc. IEEE Energy Conversion Congress and Exposition, Oct. 2021, pp. 618-623.
  25. D. Qin*, G. Ozkan, C. S. Edrington, Z. Zhang, “Electrothermal management using in-situ junction temperature monitoring for enhanced reliability of SiC-based power electronics,” in Electric Ship Technology Symposium, August 2021, pp. 1-7.
  26. D. Qin*, Y. Chen, Z. Zhang, and J. Enslin, “A hierarchical microgrid protection scheme using hybrid breakers,” in IEEE International Symposium on Power Electronics for Distributed Generation Systems, Chicago, June 2021, pp. 1-6.
  27. D. Qin*, L. Wang, S. Jin, and Z. Zhang, “Data-driven model-based smart control of intelligent gate drive for converter operational performance improvement,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2021, pp. 2405-2411.     
  28. Z. Zhang, “Driving, monitoring and protection technology for SiC devices using intelligent gate drive: an overview,” in International Conference on Power Electronics – ECCE Asia, Nov. 2020, pp. 735-740. (Invited paper)
  29. Q. Liang, F. Wang, J. Dyer, Z. Zhang, “Online junction temperature monitoring for SiC MOSFETs using turn-on delay time,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2020.
  30. Z. Zhang, T. Hao, X. She, T. Sadilek, R. Ramabhadran, H. Huan, W. Earls, “High-efficiency silicon carbide (SiC) converter using paralleled discrete devices in energy storage systems,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2019, pp. 2471-2477.
  31. R. Chen, J. Niu, H. Gui, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, B. B. Choi, “Harmonic analysis of common-mode reduction modulation for three-level inverter,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2019, pp. 2286-2293.
  32. H. Gui, R. Chen, J. Niu, Z. Zhang, F. Wang, L. Tolbert, D. Costinett, B. Blalock, and B. Choi, “Design of low inductance busbar for 500 kVA three-level ANPC converter,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2019, pp. 7130-7137.
  33. W. Zhang, Z. Zhang, and F. Wang, “Review and bandwidth measurement of coaxial shunt resistors for wide-bandgap devices dynamic characterization,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2019, pp. 3259-3264.
  34. W. Zhang, F. Wang, Z. Zhang, and Bernhard Holzinger, “Fast wide-bandgap device overcurrent protection with direct current measurement,” in International Conference on Power Electronics – ECCE Asia, May 2019.
  35. B. Liu, R. Ren, Z. Zhang, D. Costinett, and F. Wang, “A variable frequency ZVS control of a three-level buck without zero crossing detection for wide-range output voltage battery chargers,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 2311-2316.
  36. R. Chen, J. Niu, H. Gui, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, B. B. Choi, “Investigation of fourth-leg for common-mode noise reduction in three-level active neutral point camped inverter fed motor drive,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 2582-2588.
  37. R. Chen, J. Niu, H. Gui, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, B. B. Choi, “Coupled inductor design for interleaved three-level active neutral point clamped inverters considering EMI noise reduction,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 257-264.
  38. R. Chen, J. Niu, H. Gui, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, B. B. Choi, “Analytical analysis of AC and DC side harmonics of three-level active neutral point clamped inverter with space vector modulation,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 112-119.
  39. J. Niu, R. Chen, Z. Zhang, H. Gui, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett and B. B. Choi, “Analysis of circulating harmonic currents in paralleled three level ANPC inverters using SVM,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 2481-2487.
  40. J. Niu, R. Chen, Z. Zhang, H. Gui, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett and B. B. Choi, “Design of a single controller for multiple paralleled inverters,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 2524-2530.
  41. H. Gui, Z. Zhang, R. Chen, J. Niu, L M. Tolbert, F. Wang, B J. Blalock, D J. Costinett, and B B. Choi, “Current source gate drive to reduce switching loss for SiC MOSFETs,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 972-978.
  42. H. Gui, Z. Zhang, R. Chen, J. Niu, L M. Tolbert, F. Wang, B J. Blalock, D J. Costinett, and B B. Choi, “A simple control to reduce the voltage stress of non-conducting switches in three-level ANPC converter,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2019, pp. 1337-1343.
  43. R. Chen, J. Niu, Z. Zhang, H. Gui, R. Ren, F. Wang, L. Tolbert, D. Costinett, B. Blalock, B. Choi and G. Brown, “Zero sequence circulating current analysis and reduction in paralleled three-level active neutral point clamped inverters,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 3024-3031.
  44. R. Chen, Z. Dong, Z. Zhang, H. Gui, J. Niu, R. Ren, F. Wang, L. Tolbert, D. Costinett, B. Blalock, B. Choi and G. Brown, “Core characterization and inductor design investigation at low temperature,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 4218-4225.
  45. C. Timms, L. Qiao, F. Wang, Z. Zhang, and D. Dong, “Oscillatory false triggering of parallel Si and SiC MOSFETs during short-circuit turn-off,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 383-386.
  46. C. Timms, L. Qiao, F. Wang, Z. Zhang, and D. Dong, “New boundary condition for decoupling capacitance selection in SiC phase legs considering short-circuit events,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 1837-1840.
  47. R. Ren, Z. Zhang, H. Gui, R. Chen, J. Niu, F. Wang, L. Tolbert, D. Costinett, B. Blalock, B. Choi and G. Brown, “Multi-commutation loop induced over-voltage in high frequency and switching speed three-level active neutral point clamped phase leg,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 1328-1333.
  48. R. Ren, H. Gui, Z. Zhang, R. Chen, J. Niu, F. Wang, L. Tolbert, D. Costinett, B. Blalock, B. Choi and G. Brown, “Characterization of 650 V enhancement GaN HEMT under cryogenic temperature,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 891-897.
  49. H. Gui, R. Ren, Z. Zhang, R. Chen, J. Niu, F. Wang, L. Tolbert, B. Blalock, D. Costinett, B. Choi and G. Brown, “Characterization of the state-of-the-art 1.2 kV SiC power MOSFETs at cryogenic temperatures,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, 7010-7015.
  50. H. Gui, Z. Zhang, R. Ren, R. Chen, J. Niu, L. Tolbert, F. Wang, B. Blalock, D. Costinett, B. Choi and G. Brown, “SiC MOSFET versus CoolMOS - switching loss comparison in different switching cell configurations,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, 6146-6151.
  51. W. Zhang, Z. Zhang, F. Wang, D. Costinett, L. Tolbert, and B. Blalock, “Characterization and modeling of a SiC MOSFET's turn-on overvoltage,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 7003-7009.
  52. B. Liu, R. Ren, F. Wang, D. Costinett, and Z. Zhang, “Capacitive coupling in T-shape related EMI filters: mechanism, effects, and mitigation,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2018, pp. 6404-6409.
  53. Z. Zhang, H. Gui, R. Chen, F. Wang, L. Tolbert, D. Costinett, and B. Blalock, “Characterization of wide bandgap device for cryogenically-cooled power electronics in aircraft applications,” in AIAA/IEEE Electric Aircraft Technologies Symposium, AIAA Propulsion and Energy Forum, July 2018.
  54. B. Liu, R. Ren, Z. Zhang, F. Wang, and D. Costinett, “Extra device capacitance in three-level converters and loss re-evaluation via conventional DPT data,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Asia, May 2018.
  55. Z. Zhang, H. Gui, J. Niu, R. Chen, F. Wang, L. Tolbert, D. Costinett, B. Blalock, “High precision gate signal timing control based active voltage balancing scheme for series-connected fast switching field-effect transistors,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 925-930.
  56. J. Dyer, Z. Zhang, F. Wang, D. Costinett, L. M. Tolbert, and B. J. Blalock, “Online condition monitoring based dead-time compensation for high frequency SiC voltage source converter,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 1854 – 1860.
  57. F. Yang, Z. Wang, Z. Zhang, S. Campbell, F. Wang, and M. Chinthavali, “Understanding middle point inductance’s effect on switching transients for multiple-chips module design with P-N-Cell concept,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 1742 – 1749.
  58. B. Liu, R. Ren, Z. Zhang, F. Wang, and D. Costinett, “A sampling scheme for three-phase high switching frequency and speed converter,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 3031 – 3035.
  59. R. Chen, Z. Zhang, R. Ren, J. Niu, H. Gui, F. Wang, L. Tolbert, D. Costinett, and B. Blalock, “Common mode noise reduction with impedance balancing in DC-fed motor drives,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 2515 – 2520.
  60. R. Chen, Z. Zhang, R. Ren, J. Niu, H. Gui, F. Wang, L. Tolbert, D. Costinett, and B. Blalock, “Common mode inductor saturation analysis and design optimization based on spectrum concept,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2018, pp. 2583 – 2588.
  61. J. Dyer, Z. Zhang, F. Wang, D. Costinett, L. M. Tolbert, and B. J. Blalock, “Dead-time optimization for SiC based voltage source converters using online condition monitoring,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Nov. 2017, pp. 15 – 19.
  62. S. Ji, X. Shi, Z. Zhang, W. Cao, and F. Wang, “Benefits of high voltage SiC applications in medium Voltage power distribution grids,” in International Conference on Silicon Carbide and Related Materials, September 2017
  63. W. Zhang, Z. Zhang, F. Wang, L. Tolbert, D. Costinett, and B. Blalock, “Characterization and modeling of a SiC MOSFET’s turn-off overvoltage,” in International Conference on Silicon Carbide and Related Materials, September 2017
  64.  Z. Zhang, C. Timms, J. Tang, R. Chen, J. Sangid, F. Wang, L. Tolbert, B. Blalock, and D. Costinett, “Characterization of high-voltage high-speed switching power semiconductors for high frequency cryogenically-cooled application,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2017, pp.1964-1969. 
  65. E. Jones, Z. Zhang, and F. Wang, “Analysis of the dv/dt transient of enhancement-mode GaN FETs,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2017, pp. 2692 – 2699.
  66. S. Ji, S. Zheng, Z. Zhang, F. Wang, and L. Tolbert, “Protection and temperature-dependent switching characterization of latest generation 10 kV SiC MOSFETs,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2017, pp. 783 – 788.
  67. W. Zhang, Z. Zhang, F. Wang, D. Costinett, L. Tolbert, B. Blalock, “Common source inductance introduced self-turn-on in MOSFET turn-off transient,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2017, pp. 837 – 842.
  68. J. Dyer, Z. Zhang, F. Wang, D. Costinett, L. Tolbert, B. Blalock, “Online condition monitoring of SiC devices using intelligent gate drive for converter performance improvement,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Nov. 2016, pp. 182-187.
  69.  Z. Zhang, X. Wu, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, “Online junction temperature monitoring using turn-off delay time for silicon carbide power devices,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2016, pp. 1-7.
  70. R. Ren, B. Liu, E. Jones, F. Wang, D. Costinett, and Z. Zhang, “Accurate ZVS boundary in high switching frequency LLC converter,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2016, pp. 1-6.
  71. B. Liu, R. Ren, E. Jones, F. Wang, D. Costinett, and Z. Zhang, “A modulation compensation scheme to reduce input current distortion in GaN based high switching frequency three-phase Vienna type rectifiers,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2016, pp. 1-7.
  72. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, and D. Costinett “Decoupling of interaction between WBG converter and motor load for switching performance improvement,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2016, pp.1569-1576.
  73. J. Dix, Z. Zhang, and B. J. Blalock, “CMOS gate drive IC with embedded cross talk suppression circuitry for SiC devices,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2016, pp. 684-691.
  74. E. A. Jones, F. Wang, D. Costinett, Z. Zhang and B. Guo, “Temperature-dependent turn-on loss analysis for GaN HFETs,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2016, pp. 1010-1017.
  75. R. Ren, B. Liu, E. A. Jones, F. Wang, Z. Zhang and D. Costinett, “Dual-output, three-level GaN-based DC-DC converter for battery charger applications,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2016, pp. 2441-2448.
  76. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, and D. Costinett, “Realization of high speed switching of SiC power devices in voltage source converters,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Nov. 2015, pp.28-33.
  77. E. A. Jones, F. Wang, D. Costinett, Z. Zhang and B. Guo, “Cross conduction analysis for enhancement-mode 650-V GaN HFETs in a phase-leg topology,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Nov. 2015, pp. 98-103.
  78. E. Jones, F. Wang, D. Costinett, Z. Zhang, B. Guo, B. Liu and R. Ren, “Characterization of an enhancement-mode 650-V GaN HFET,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2015, pp. 400-407.
  79. Z. Zhang, Z. Wang, F. Wang, L. M. Tolbert, B. J. Blalock, “Reliability-oriented design of gate driver for SiC devices in voltage source converter,” in IEEE International Workshop on Integrated Power Packaging (IWIPP), May 2015, pp.20-23. (Invited paper)
  80. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, “Active gate driver for fast switching and cross-talk suppression of SiC devices in a phase-leg configuration,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2015, pp. 774-781.
  81. Z. Zhang, D. J. Costinett, H. Lu, F. Wang, L. M. Tolbert, B. J. Blalock, “Dead-time optimization of SiC devices for voltage source converter,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2015, pp. 1145-1152.
  82. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, “Understanding the limitations and impact factors of wide bandgap devices' high switching-speed capability in a voltage source converter,” in IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Oct. 2014, pp. 7-12.
  83. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, “Evaluation of switching performance of SiC devices in PWM inverter fed induction motor drives,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2014, pp. 1597-1604.
  84. Z. Zhang, B. Guo, F. Wang, L. M. Tolbert, B. J. Blalock, “Impact of ringing on switching losses of Wide Band-Gap devices in a phase-leg configuration,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2014, pp. 2542-2549.
  85. Z. Zhang, B. Guo, F. Wang, L. M. Tolbert, B. J. Blalock, Z. Liang, P. Ning “Methodology for switching characterization evaluation of Wide Band-Gap devices in a phase-leg configuration,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2014, pp. 2534- 2541.
  86. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, “A gate assist circuit for cross talk suppression of SiC power devices in a phase-leg configuration,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2013, pp. 2536-2543.
  87. W. Zhang, Z. Xu, Z. Zhang, F. Wang, L. M. Tolbert, and B. J. Blalock, “Evaluation of 600 V cascode GaN HEMT in device characterization and all-GaN-based LLC resonant converter,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2013, pp. 3571-3578.
  88. Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, “A novel gate assist circuit for cross talk mitigation of SiC power devices in a phase-leg configuration,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2013, pp. 1259-1265.
  89. B. Guo, F. Xu, Z. Zhang, Z. Xu, F. Wang, L. M. Tolbert, B. J. Blalock, “Compensation of input current distortion in three-phase buck rectifier,” in Proc. IEEE Applied Power Electronics Conference and Exposition, March 2013, pp. 930-938.
  90. Z. Zhang, W. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, “Analysis of the switching speed limitation of wide band-gap devices in a phase-leg configuration,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2012, pp. 3950-3955.
  91. W. Zhang, Y. Long, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, S. Henning, C. Wilson, R. Dean, “Evaluation and comparison of silicon and gallium nitride power transistors in LLC resonant converter,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2012, pp. 1362-1366.
  92. L. Zhu, Y. Zou, X. Zou, S. Chao, J. Tang, X. She, and Z. Zhang, “A novel 3-D space vector modulation scheme for three-level three-leg NPC converter in three-phase four-wire APF system,” in Proc. IEEE Energy Conversion Congress and Exposition, Sept. 2012, pp. 1527-1532.
  93. Z. Zhang, X. Zou, Z. Wu, Y. Zou, “Analysis on harmonics current of three-phase bridge uncontrolled rectifier,” in Proc. IEEE Power and Energy Engineering Conference, March 2010, pp. 1-4.
  94. Z. Zhang, Y. Zou, Z. Wu, J. Tang, “Design and research of three-phase power electronic load,” in Proc. IEEE Power Electronics and Motion Control Conference, Sept. 2009, pp. 1798-1802.
  95. Z. Wu, Y. Zou, C. Wang, Y. Zhang, and Z. Zhang, “A performance improvement technique for single-phase PWM rectifier,” in Proc. IEEE Power Electronics and Motion Control Conference, Sept. 2009, pp. 1638-1642.

Patent Applications (12)

  1. R. Wang, Z. Zhang, “DC-DC power converter,” Patent Application 507908-US-1/71966-1762, Filed 2020
  2. Z. Zhang, H. Tu, L. Tonini, K. Rush, “Control circuit and method for bus voltage variation in power converters,” Patent Application 89452843, 62/865,776, 507317-US-1, Filed 06/24/2019
  3. Z. Zhang, H. Tu, L. Tonini, K. Rush, “Paralleled dc-dc converters with circulating current suppression circuit,” Patent Application 89451427, 62/865,786, 507167-US-1, Filed 06/24/2019
  4. Z. Zhang, H. Tu, L. Tonini, K. Rush, “Short-circuit protection systems and methods for flying capacitor based buck-boost converters,” Patent Application 89451448, 62/865,790, 507087-US-1, Filed 06/24/2019
  5. Z. Zhang, H. Tu, R. Ramabhadran, T. Sadilek, “Voltage balance strategy for multi-level converter,” Patent Application 89368783, PCT/US2019/037508, 502532-WO-1, Filed 06/17/2019
  6. Z. Zhang, S. Prabhakaran, “Cost effective, noise free, scalable method for discrete SiC devices based on fully decoupled phase-leg unit,” Patent Application 89368797, PCT/US2019/034852, 502849-WO-1, Filed 05/31/2019
  7. Z. Zhang, R. Wang, A. Gowda, “Device current sharing improvement with common source inductance (Defensive Publication),” 04/01/2019
  8. Z. Zhang, R. Ramabhadran, A. Elasser, D. Hofer, “Customizable power converter and customizable power conversion system,” Patent Application 89328674, PCT/US2019/022537, 502233-WO-1, Filed 03/15/2019
  9. Wen Zhang, Zheyu Zhang, and Fred Wang, “Test fixture for observing current flow through a set of resistors,” US20190187175A1, Filed 12/15/2017
  10. Zheyu Zhang, Daniel Costinett, Leon Tolbert, Fred Wang, Benjamin Blalock, “Fully decoupled intelligent phase-leg power module using wide bandgap (WBG) power semiconductors,” Provisional Patent 62/449,282, Filed 01/23/2017
  11. Zheyu Zhang, Fred Wang, Leon Tolbert, Benjamin Blalock, and Daniel Costinett, “Online junction temperature monitoring using turn-off delay time for wide band-gap power semiconductors,” Provisional Patent 62/394,546, Filed 9/14/2016
  12. Zheyu Zhang, Fred Wang, Leon Tolbert, and Benjamin Blalock, “A novel gate driver circuit for wide band-gap devices in a phase-leg configuration,” Provisional Patent 61/847,449, Filed 7/17/2013

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Professional Activities

  • Special Session Co-Chair, Organizing Committee, IEEE Energy Conversion Congress and Exposition, Nashville, TN, 2023
  • Topic Editor, Frontiers in Electronics Special Issue on Advances in Power Converter Design for Electrified Transportation, 2022
  • Track Chair, Technical Program Committee, IEEE Applied Power Electronics Conference and Exposition, 2022
  • Publicity Co-Chair, Organizing Committee, IEEE Energy Conversion Congress and Exposition, Detroit, MI, 2022
  • Proposal Review, Swiss National Science Foundation, 2022
  • Co-Organizing Committee Chair, IEEE Workshop on the Electronic Grid (eGRID), 2021 
  • Award Paper Review Committee, Power Electronics Devices and Components Committee, IEEE Industry Applications Society, 2021
  • Education Digital Media Steering Committee, IEEE Power Electronics Society, 2021–present
  • Sub-Committee on New Initiatives and Conferences, TC6: Emerging Power Electronic Technologies, IEEE Power Electronics Society, 2020–present
  • Standard Vice-Chair, Power Electronics Devices and Components Committee, IEEE Industry Applications Society, 2020–present
  • Guest Associate Editor, IEEE Journal of Emerging and Selected Topics in Power Electronics Special Issue on Failure Mechanisms, Fault Characterization and Condition Monitoring of Power Electronics Components and Systems Modular Multi-level Converters, 2020
  • Secretary, IEEE P3114 Standard for “Datasheet Parameters and Tests for UVC LED air disinfection chambers,” Power Electronics Devices and Components Committee, IEEE Industry Applications Society, 2020–present
  • Member, IEEE P2943 Standard for “Energy Efficiency Test Methods for Three-phase Variable Frequency Drive Systems”, Industrial Power Conversion Systems Department, IEEE Industry Applications Society, 2020-present
  • Merit Review Panel, DOE Solar Energy Technologies Office (SETO) FY21 FOA 2378, 2021
  • Publicity Co-Chair, Organizing Committee, IEEE Energy Conversion Congress and Exposition, Vancouver, Canada, 2021
  • Co-Chair, IEEE International Conference on DC Microgrids, 2021
  • Merit Review Panel, NSF Energy, Power, Control, and Networks (EPCN) Program, 2021
  • Guest Associate Editor, CSEE Journal of Power and Energy Systems Special Issue on Modeling and Control of Power Electronics Systems, 2020
  • Professional Education Seminar Committee, IEEE Applied Power Electronics Conference and Exposition, 2020–present
  • Topic Chair, Technical Program Committee, IEEE Energy Conversion Congress and Exposition, 2018–2022
  • Proposal Review, NSF Small Business Innovation Research (SBIR), 2020
  • Vice-Chair, IEEE P2964 Standard for “Datasheet Parameters and Tests for Integrated Gate Drivers”, Power Electronics Devices and Components Committee, IEEE Industry Applications Society, 2020–present
  • Co-Editor-In-Chief, SAE International Journal of Alternative Powertrain Special Issue on Applications of Wide-bandgap Devices for Electric Vehicles, 2020
  • Student Activities Co-Chair, ECCE Logo Competition Initiative, Organizing Committee, IEEE Energy Conversion Congress and Exposition, Detroit, MI, 2020
  • Faculty Research Grants Proposal Review, NASA North Carolina Space Grant, 2020
  • Session Chair, IEEE Applied Power Electronics Conference and Exposition, 2017, 2020, 2021
  • Panelist Organization Committee, IEEE Power System Conference, Clemson, SC, March 2020
  • Guest Associate Editor, CPSS Transactions on Power Electronics and Applications Special Issue on Modular Multi-level Converters, 2019
  • Session Chair, IEEE Workshop on Wide Bandgap Power Devices and Applications, 2015, 2019
  • Technical Program Committee, IEEE Workshop on Wide Bandgap Power Devices and Applications, 2015, 2016, 2019
  • Session Chair, IEEE Energy Conversion Congress and Exposition, 2017–2020
  • Associate Editor, IEEE Transactions on Power Electronics, 2019–present
  • Guest Associate Editor, CPSS Transactions on Power Electronics and Applications Special Issue on Applications of Wide Bandgap Devices, 2018
  • Mentorship Steering Committee, IEEE Power Electronics Society, 2018–present
  • General Chair of IEEE PELS Mentorship Round Tables’ Event, IEEE Energy Conversion Congress and Exposition, Portland, OR, 2018
  • Co-Chair on Utility Applications Topic of SiC Application Group, The International Technology Roadmap for Wide Band-gap Power Semiconductors (ITRW), IEEE Power Electronics Society, 2018–present
  • Associate Editor, IEEE Transactions on Industry Applications, 2017–present
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