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Bo Liu

Status in CURENT:

Bo Liu is a Ph.D. student at University of Tennessee, Knoxville with an anticipated graduation date of 2017.

Bo_Liu.JPG

Biographic Info:

Hometown: Xi’an, Shaanxi

Country: China

Office Location:  211 Min H. Kao Building

Email: bliu16@vols.utk.edu

Faculty Advisor: Dr. Fred Wang

Academic Background:

Xi’an Jiaotong University

      M.S. in Electrical Engineering, 2012

Xi’an Jiaotong University

      B.S. in Electrical Engineering, 2009

Research Interests:

GaN based high-frequency high-density three-phase rectifier

Conducted EMI

Hybrid ac/dc transmission system

Grid emulation

Grid-tied converters

Publications:

[1] B. Liu, R. Ren, E. A. Jones, 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,” IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2017.2672756, Feb. 2017.

[2] B. Liu, X. J. Shi, Y. L. Li, F. Wang, L. M. Tolbert, “A Line Impedance Conditioner for Saturation Mitigation of Zigzag Transformer in Hybrid Ac/Dc Transmission System Considering Line Unbalances,” IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2016.2608864, Sept. 2016.

[3] B. Liu, R. Ren, E. A. Jones, F. Wang, D. Costinett, Z. Zhang, “A Modulation Compensation Scheme to Reduce Input Current Distortion in GaN Based High Switching Frequency Three-Phase Vienna Type Rectifiers,” IEEE Energy Conversion Congress and Exposition (ECCE), 2016.

[4] B. Liu, S. Zhang, S. Zheng, Y. W. Ma, F. Wang and L. M. Tolbert, “Design Considerations of Converter Based Transmission Line Emulator,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2016.

[5] B. Liu, S. Zheng, Y. W. Ma, F. Wang and L. M. Tolbert, “Control and Implementation of Converter Based Ac Transmission Line Emulation,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2015.

[6] B. Liu, X. J. Shi, F. Wang, Y. L. Li, “A Line Impedance Conditioner to Improve Zigzag Transformer Based Hybrid Ac/Dc Transmission under Unbalanced Line Impedance Conditions,” IEEE Energy Conversion Congress and Exposition (ECCE), 2014.

[7] B. Liu, X. J. Shi, F. Wang, “Feasibility Study and Design of Hybrid Ac-Dc High Power Transmission Considering Unbalanced Line Impedances,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2014.

[8] B. Liu, X. Yang, Y. Zhang, H. Z. Ye, F. L. Kong, “A New Control Strategy Combing PI and Quasi-PR Control under Rotate Frame for Three Phase Grid-Connected Photovoltaic Inverter,” IEEE 8th International Conference on Power Electronics (ECCE Asia), 2011.

[9] B. Liu, X. Yang, H. Z. Ye, F. L. Kong, “Control Strategy Study for Three Phase Photovoltaic Grid-connected Inverters,” Transactions of China Electrotechnical Society, 2011.

[10] S. Zhang, Y. Li, B. Liu, X. Shi, F. Wang, "HVDC Converter Transformer Saturation in Hybrid AC/DC System Caused by Coupled Transmission Lines," APEC 2017.

[11] R. Ren, B. Liu, E. A. Jones, F. F. Wang, Z. Zhang, D. Costinett, "Capacitor-Clamped, Three-level GaN-Based DC–DC Converter with Dual Voltage Outputs for Battery Charger Applications," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 3, pp. 841-853, Sept. 2016.

[12] R. Ren, B. Liu, E. A. Jones, F. Wang, Z. Zhang, D. Costinett, “Dual-output, three level GaN-based Dc-Dc converter for battery charger applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2016.

[13] R. Ren, B. Liu, E. A. Jones, Z. Y. Zhang, F. Wang and D. Costinett, “Accurate ZVS boundary in high switching frequency LLC converter,” IEEE Energy Conversion Congress and Exposition (ECCE), 2016.

[14] Y. Li, X. Shi, B. Liu, W. Lei, F. Wang, L. M. Tolbert, "Development, Demonstration and Control of a Testbed for Multi-Terminal HVDC System," in IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2016.2620167, 2016.

[15] X. Shi, Z. Wang, B. Liu, Y. Li, L. M. Tolbert, F. Wang, "Steady-State Modeling of Modular Multilevel Converter under Unbalanced Grid Conditions," IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2016.2629472, 2016.

[16] X. J. Shi, B. Liu, Z. Q. Wang, Y. L. Li, L. M. Tolbert, F. Wang, “Modeling, Control Design, and Analysis of a Startup Scheme for Modular Multilevel Converters,” IEEE Transactions on Industrial Electronics, 2015.

[17] C. W. Zhao, B. Trento, L. Jiang, E. Jones, B. Liu, Z. Zhang, D. Costinett, F. Wang, L. M. Tolbert, J. Jansen, R. Kress and R. Langley, "Design and Implementation of a GaN-Based, 100-kHz, 102-W/in3 Single-Phase Inverter," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 3, pp. 824-840, Sept. 2016.

[18] Y. L. Li, X. J. Shi, B. Liu, F. Wang, L. M. Tolbert, W. J. Lei, “Hardware implementation of a four-terminal HVDC test-bed,” IEEE Energy Conversion Congress and Exposition (ECCE), 2015.

[19] X. J. Shi, Z. H. Wang, B. Liu, Y. Q. Liu, L. M. Tolbert, F. Wang, “Characteristic Investigation and Control of a Modular Multilevel Converter-Based HVDC System Under Single-Line-to-Ground Fault Conditions,” IEEE Transactions on Power Electronics, vol. 30, no. 1, pp. 408-421, Jan. 2015.

[20] X. J. Shi, Z. H. Wang, B. Liu, Y. L. Li, L. M. Tolbert, F. Wang, “DC impedance modelling of a MMC-HVDC system for DC voltage ripple prediction under a single-line-to-ground fault,” IEEE Energy Conversion Congress and Exposition (ECCE), 2014.

[21] S. Jiang, W. Zhang, B. Liu, and F. Wang, “Automatic resonant frequency tracking in unregulated LLC resonant converters based on total resonant current harmonic calculation,” IEEE Energy Conversion Congress and Exposition (ECCE), 2013.

[22] D. H. Li, B. Liu, B. Yuan, X. Yang, “A high step-up current fed multi-resonant converter with output voltage doubler,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2011.

[23] H. Z. Ye, X. Yang, X. M. Kong, B. Liu, “Three-Loop Control Scheme for High Tracking Precision Magnet Power Supply Used in Rapid Cycling Synchrotron,” IEEE Applied Power Electronics Conference and Exposition (APEC), 2011.