Status in CURENT:                                          

Li Zhang is a research associate in power electronics research group.

 

Biographic Info -

Hometown: Wuhan, Hubei

Country: People’s Republic of China

Office Location: 309 Min H. Kao Building

Email: lzhang93@utk.edu

Faculty Advisor: Fred Wang

 

Academic Background:

Nanjing University of Aeronautics and Astronautics

Ph.D in Power Electronics, 2017

Nanjing University of Aeronautics and Astronautics

B.S. in Electrical Engineering, 2011

 

Research Interests:

dc-dc conversion, LED driver, wide-band-gap semiconductor power device application, renewable energy generation system

 

Publications:

[1]  L. Zhang, X. Ren, and X. Ruan, "A bandpass filter incorporated into the inductor current feedback path for improving dynamic performance of the front-end dc-dc converter in two-stage inverter," IEEE Trans. Ind. Electron., vol. 61, no. 5, pp. 2316-2325, May, 2014.
[2]  L. Zhang, X. Ruan, and X. Ren, "Second-harmonic current reduction and dynamic performance improvement in the two-stage inverters: An output impedance perspective," IEEE Trans. Ind. Electron., vol. 62, no.1, pp. 394-404, Jan., 2015.
[3]  L. Zhang, X. Ruan, and X. Ren, "One-cycle control for electrolytic capacitor-less second harmonic current compensator," IEEE Trans. Power Electron, vol. 33, no.2, pp. 1724-1739, Feb., 2018.
[4]  L. Zhang, X. Ruan, and X. Ren, "Second-harmonic current reduction for two-stage inverter with boost-derived front-end converter: Control schemes and design considerations," IEEE Trans. Power Electron, vol. 33, no. 7, pp. 6361-6378, Jul., 2018.
[5]  L. Zhang, X. Ren, X. Ruan, and Q. Chen, "Control strategy for the front-end dc-dc converter to reduce the second-order harmonic current in the two-stage inverter," in Proc. IEEE Appl. Power Electron. Conf. Expo., 2013, pp. 719-726.
[6]  L. Zhang, X. Ruan, and X. Ren, "A generalized control scheme derivation approach for front-end dc-dc converters in two-stage inverters," in Proc. IEEE Energy Conv. Cong. Expo., 2015, pp. 1563-1570. (Best Presentation Award)
[7]  L. Zhang, X. Ruan, and X. Ren, "Second harmonic current compensator with improved one-cycle-control," in Proc. IEEE Appl. Power Electron. Conf. Expo., 2016, pp. 3488-3492.
[8]  L. Zhang and X. Ruan, "Control Schemes for Reducing the Second Harmonic Current in Two-Stage Single-Phase Converter: An Overview From DC-Bus Port-Impedance Characterization," in Proc. IEEE Energy Conv. Cong. Expo., 2018.
[9]  Y. Yang, X. Ruan, L. Zhang, J. He, and Z. Ye, "Feed-forward scheme for an electrolytic capacitor less ac-dc LED driver to reduce output current ripple," IEEE Trans. Power Electron., vol. 29, no. 10, pp. 5508-5517, Oct., 2014.
[10] G. Zhu, X. Ruan, L. Zhang, and X. Wang, "On the reduction of second harmonic current and improvement of dynamic response for two-stage single-phase inverter," IEEE Trans. Power Electron., vol. 30, no. 2, pp. 1028-1041, Feb., 2015.
[11] J. He, X. Ruan, and L. Zhang, "Adaptive voltage control for bidirectional converter in flicker-free electrolytic capacitor-less ac-dc LED driver," IEEE Trans. Ind. Electron., vol. 64, no.1, pp. 320-324, Jan. 2017.
[12] X. Huang, X. Ruan, F. Du, F. Liu, and L. Zhang, "A pulsed power supply adopting active capacitor converter for low-voltage and low-frequency pulsed load," IEEE Trans. Ind. Electron., early access. 2018.
[13] X. Ruan and L. Zhang, "Voltage oscillation elimination in output rectifier diodes in zero-voltage-switching PWM full-bridge converter: An overview," in Proc. IEEE Energy Conv. Cong. Expo., 2015, pp. 6328-6335.
[14] X. Huang, X. Ruan, F. Du, F. Liu, and L. Zhang, "High power and low voltage power supply for low frequency pulsed load," in Proc. IEEE Appl. Power Electron. Conf. Expo., pp. 2859-2865, 2017.
[15] C. Huang, T. Fang, and L. Zhang, "A phase-lead compensation strategy on enhancing robustness against grid impedance for LCL-type grid-tied inverters," in Proc. IEEE Appl. Power Electron. Conf. Expo., 2018, pp. 3287-3293.