Publications
(28 total journal publications; 43 total conference publications; *denotes supervised graduate students)
Selected Journal Publications
G. Yang, L. Marepalli, L. Herrera, and X. Yao, "Series Arc Fault detection in DC Microgrids Based on Distributed Unknown Input Observers," accepted for publication in IEEE Transactions on Transportation Electrification, Sept. 2023.
V. Le*, C. Miller, B. -H. Tsao, and X. Yao, "Series Arc Fault Identification in DC Distribution Based on Random Forest Predicted Probability," IEEE Journal of Emerging and Selected Topics in Power Electronics, December, 2022. doi: 10.1109/JESTPE.2022.3228421.
K. Gajula, L. K. Marepalli, X. Yao, and L. Herrera, "Recursive Least Squares and Adaptive Kalman Filter based State and Parameter Estimation for Series Arc Fault Detection on DC Microgrids," in IEEE Journal of Emerging and Selected Topics in Power Electronics, Early Access, 2022.
X. Yao, V. Le*, and I. Lee*, "Unknown Input Observer-Based Series DC Arc Fault Detection in DC Microgrids," in IEEE Transactions on Power Electronics, vol. 37, no. 4, pp. 4708-4718, April 2022.
I. Lee* and X. Yao, "Active Voltage Balancing of Series Connected SiC MOSFET Submodules Using Pulsewidth Modulation," in IEEE Open Journal of Power Electronics, vol. 2, pp. 43-55, 2021.
L. Yang, L. Zhu, P. Fu, L. Yue*, and X. Yao, "A Module-Based Self-Balancing Series Connection for IGBTs," in IEEE Transactions on Industrial Electronics, vol. 68, no. 10, pp. 9410-9419, Oct. 2021.
Z. Hou, R. Guo, C. He, J. Li, and X. Yao, "Synergistic effect of SF6/N2 gas mixtures on surface partial discharge under DC voltage," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 27, no. 2, pp. 692-699, Apr. 2020.
V. Le*, X. Yao, C. Miller, and B. -H. Tsao, "Series DC Arc Fault Detection Based on Ensemble Machine Learning," in IEEE Transactions on Power Electronics, vol. 35, no. 8, pp. 7826-7839, Aug. 2020.
C. He, L. Zhang, J. Li, Q. Zhang, and X. Yao, "Effect of AC and switching impulse superimposed voltage on PD characteristics in SF6 gas," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 26, no. 5, pp. 1394-1402, Oct. 2019.
J. Li, X. Zhang, X. Han, and X. Yao, "A Partial Discharge Detection Method for SF6 Insulated Inverted Current Transformers Adopting Inner Shield Case as UHF Sensor," in IEEE Transactions on Power Delivery, vol. 33, no. 6, pp. 3237-3239, Dec. 2018.
J. Li, L. Zhang, Y. Jin, and X. Yao, "Breakdown characteristics of transformer oil in a uniform field under oscillating impulse voltage," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 24, no. 2, pp. 984-990, April 2017.
J. Li, L. Zhang, X. Han, X. Yao, and Y. Li, "PD detection and analysis of oil-pressboard insulation under pulsed DC voltage," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 24, no. 1, pp. 324-330, Feb. 2017.
J. Li, X. Han, Z. Liu, X. Yao, Y. Li, "PD characteristics of oil-pressboard insulation under AC and DC mixed voltage." in IEEE Transactions on Dielectrics and Electrical Insulation vol. 23, no.1 pp: 444-450, 2016.
J. Li, X. Han, X. Yao, and Y. Li, "PD characteristics of oil-pressboard insulation under AC and DC mixed voltage," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 23, no. 1, pp. 444-450, Feb. 2016.
Selected Conference Publications
A. Sircar*, I. Lee*, Muhammad Saeed*, and X. Yao, "A wide-range input auxiliary power supply based on series-connected SiC MOSFETs with active gate driver," accepted for presentation at IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, Oct. 2022.
I. Lee*, S. Saha, U. Singisetti, and X. Yao, "Reverse Recovery and Rectification Characteristic of β-Ga2 O3 Schottky Barrier Diode," IEEE 8th Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Virtual, Nov. 2021.
K. Gajula, V. Le*, X. Yao, S. Zou and L. Herrera, "Quickest Detection of Series Arc Faults on DC Microgrids," IEEE Energy Conversion Congress and Exposition (ECCE), Virtual, Oct. 2021.
I. Lee* and X. Yao, "Active dv/dt Control with Turn-off Gate Resistance Modulation for Voltage Balancing of Series Connected SiC MOSFETs," IEEE Applied Power Electronics Conference and Exposition (APEC) , Phoenix, AZ, June 2021.
I. Lee* and X. Yao, "Voltage Balancing Control with Capacitor Charging Method for Series Connected SiC MOSFET Submodules," IEEE Energy Conversion Congress and Exposition (ECCE) , Detroit, MI, Oct. 2020.
L. Yue*, M. A. Saeed*, I. Lee*, and X. Yao, "Over-current Protection for Series-connected IGBTs based on Desaturation Detection," IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, Oct. 2020.
V. Le*, X. Yao, C. Miller, and T. -B. Hung, "Series Arc Fault Detection and Localization in DC Distribution Based on Master Controller," IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, Oct. 2020.
K. Gajula*, X. Yao, and L. Herrera, "Dual State - Parameter Estimation for Series Arc Fault Detection on a DC Microgrid," IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, Oct. 2020.
L. Yue* and X. Yao, "Design of a modular multilevel converter for integration of self-balancing series IGBTs," IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, Mar. 2020.
I. Lee*, L. Yue*, and X. Yao, "Active gate driver for voltage balancing control of series connected SiC MOSFETs," IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MA, Sept. 2019.
V. Le*, X. Yao, C. Miller, and B. Tsao, "Arc fault detection in dc distribution using semi-supervised ensemble machine learning," IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MA, Sept. 2019.
L. Yue* and X. Yao, "Sub-modular circuit design for self-balancing series-connected IGBTs in a modular multilevel converter," IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, Mar. 2019.
V. Le* and X. Yao, "Ensemble machine learning based adaptive arc fault detection for dc distribution systems," IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, Mar. 2019.
I. Lee* and X. Yao, "Active gate control for series connected SiC MOSFETs," IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, Mar. 2019.
K. Gajula*, L. Herrera, and X. Yao, "Detection of series dc arc on a distribution node using discrete-time parameter identification techniques," IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, Mar. 2019.
L. Yue* and X. Yao, "Implementation of a self-balancing control for series IGBTs," IEEE Energy Conversion Congress and Exposition (ECCE), Portland, OR, Sept. 2018.
L. Yue*, V. Le*, Z. Yang*, and X. Yao, "A novel series arc fault detection method using sparks in dc microgrids with power electronics interface," IEEE Energy Conversion Congress and Exposition (ECCE), Portland, OR, Sept. 2018.
X. Yao, L. Herrera, L. Yue*, and H. Cai, "Experimental study of series dc arc in distribution systems with constant power loads," IEEE Energy Conversion Congress and Exposition (ECCE), Portland, OR, Sept. 2018.
L. Herrera and X. Yao, "Parameter identification approach to series dc arc fault detection and localization," IEEE Energy Conversion Congress and Exposition (ECCE), Portland, OR, Sept. 2018.
L. Yue* and X. Yao, "A review of voltage sharing control methods for applications of series-connected IGBTs in pulsed power generation," IEEE International Power Modulator and High Voltage Conference (IPMHVC), Jackson Lake, WY, June. 2018.
I. Lee* and X. Yao, "Active gate control for multiple series connected SiC MOSFETs," IEEE International Power Modulator and High Voltage Conference (IPMHVC), Jackson Lake, WY, June 2018.
L. Yue* and X. Yao, "Investigation of control and applications of modular multilevel converter with sub-modular series IGBTs," IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, Mar. 2018.
I. Lee*, K. Avinash, U. Singisetti, and X. Yao, "Mixed-mode circuit simulation to characterize Ga2O3 MOSFET in different device structures," IEEE 5th Workshop on Wide Bandgap Power Devices and Applications (WiPDA), Albuquerque, NM, Oct. 2017.
I. Lee*, K. Zeng, U. Singisetti, and X. Yao, ''Modeling and power loss evaluation of ultra wide band gap Ga2O3 devices for high power applications,'' IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, Oct. 1-5, 2017.
L. Herrera, B. Palmer, X. Yao, and B. Tsao, ''Controller design of dc microgrids with multiple sources and constant power loads," IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, Oct. 2017.
L. Herrera and X. Yao, ''Modeling Ccomputation of stability metrics in dc power systems using sums of squares programming,'' IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, CA, July 2017.
X. Yao, ''Study on dc arc faults in ring bus dc microgrids with constant power load,'' IEEE Energy Conversion Congress and Expo (ECCE), Milwaukee, WI, Sep. 18-22, 2016.
L. Herrera, X. Yao, and J. Wang, ''HIL platform design and controller verification for MMC based HVDC networks," IEEE Energy Conversion Congress and Exposition (ECCE), Milwaukee, WI, Sept. 2016.
L. Yue*, I. Lee*, and X. Yao, ''Tokamak vertical stability coil power supply based on modular multilevel converter," IEEE International Power Modulator and High Voltage Conference (IPMHVC), San Francisco, CA, July 2016.
X. Yao, D. Schweickart, and J. Wang, ''Review and recent developments in dc arc fault detection," IEEE International Power Modulator and High Voltage Conference (IPMHVC), San Francisco, CA, July 2016.
Selected Journal Publications Before Joining UB
S. Yang, M. Wu, X. Yao, and J. Jiang, "Load modeling and identification based on ant colony algorithms for EV charging stations," IEEE Transactions on Power Systems, vol. 30, no. 4, pp. 1997-2003, July 2015.
B. Chen, Y. Chen, C. Tian, J. Yuan, and X. Yao, "Analysis and suppression of circulating harmonic currents in a modular multilevel converter considering the impact of dead time," IEEE Transactions on Power Electronics, vol. 30, no. 7, pp. 3542-3552, July 2015.
L. Herrera, C. Li, X. Yao, and J. Wang, "FPGA based detailed real-time simulation of power converters and electric machines for EV HIL applications," IEEE Transactions on Industry Applications, vol. 51, no. 2, pp. 1702-1712, Mar.-Apr. 2015.
X. Yao, L. Herrera, S. Ji, K. Zou, and J. Wang, "Characteristics study and time domain-discrete wavelet transform based hybrid detection of series dc arc faults," IEEE Transactions on Power Electronics, vol. 29, no. 6, pp. 3101-3115, June 2014.
X. Yao, Y. Huang, F. Guo, and J. Wang, "Advanced concepts for vertical stability power supply in fusion devices," IEEE Transactions on Plasma Science, vol. 40, no. 3, pp. 761-768, March 2012.