Hua Geng,  Ph.D.
Associate Professor
Institute of Measurement and Electronics Technology
Department of Automation,  Tsinghua University,  Beijing 100084, China
Tel: +86 (10) 6277 0559      Fax: +86 (10) 6278 6911
Email:  genghua@tsinghua.edu.cn

Education background

Sep. 2005 – Sep. 2008  Ph.D., Dept. of Automation, Tsinghua University, Beijing, China
Sep. 2003 – Jul. 2005  M.A.Sc., Dept. of Automation, Tsinghua University, Beijing, China
Sep. 1999 – Jul. 2003  B.A.Sc., Dept. of Electrical Engineering, Huazhong University of Science and Technology, Wuhan, China

Experience

Oct. 2013 – Present   Director, high performance real-time simulation Laboratory, Dept. of Automation, Tsinghua University, Beijing, China
Dec. 2012 – Present   Associate Professor, Dept. of Automation, Tsinghua University, Beijing, China
Jun. 2010 – Nov. 2012   Assistant Professor, Dept. of Automation, Tsinghua University, Beijing, China
Nov. 2008 – May. 2010   Postdoctoral Fellow, Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada

Concurrent Academic

1. Intelligent control of energy network system
Autonomous control of renewable energy conversion system
Collaborative control of multiple energy conversion system
2. High-performance real-time simulation technology
Real-time simulation of multiple energy conversion system
Multi-time scale high-performance real-time simulator
3. Evaluation technology in energy Internet system
Big data technology applied in energy Internet
4. Terahertz detection technology
Low noise amplifier
THz imaging and material recognition technology

Areas of Research Interests/ Research Projects

2014 - present  IEEE Senior Member
2010 - 2015 Track Chair, Session Organizer and Session Chair of several IEEE conferences (IECON, IAS, IFEEC, IPEC, ISIE,…)
2016 – present   Editor, Guest editor of IEEE Trans. on Energy Conversion
2015 – present   Associate Editor of IEEE Trans. on Industry Applications
2014 – present   Chair of the Youth Working Committee, CPSS
2013 – present   Director of Beijing Association of Automation

Research Status

1. Excellent Youth Program, National Science Foundation of China, Key technology and Fundamental theory of flexible grid-connection of wind power plant, PI, 2017.1-2020.12
2. Key Program, National Science Foundation of China, Fundamental theory and key technology for the operation of weakly-linked large-scale wind power plant, PI, 2016.1-2019.12
3. China-UK joint Program, National Science Foundation of China, Stability analysis and control of the power system integrated with large scale distributed storages, Co-Investigator, 2014.1-2016.12
4. National Science Foundation of China, Unsymmetrical grid fault ride-through of the DFIG based wind farm, Co-Investigator, 2013.1-2016.12
5. WuHan WuXin Electric Technology Co.,Ltd., High-voltage power quality conditioner, PI, 2012.3-2014.9
6. National Science Foundation of China, Damping characteristics of the large scale wind farms, PI, 2012.1-2014.12
7. Power Electronics Science and Education Development Program of Delta Environmental and Educational Foundation, Control capability and strategy of the DFIG based wind turbine during unsymmetrical grid voltage, PI, 2012.7-2014.1
8. Power Electronics Science and Education Development Program of Delta Environmental and Educational, Power control issues of the DFIG based wind farm, Co-Investigator, 2011.1-2012.12
9. WuHan WuXin Electric Technology Co.,Ltd., Low-voltage STATCOM and APF, PI, 2010.12-2011.11
10. Dongfang Hitachi (chengdu) Electric Control Equipment Co., Control strategy of the direct-driven wind energy conversion system Ltd., 2010.7-2012.7
11. National Science Foundation of China, LVRT of the DFIG based wind farm with long transmission lines, Co-Investigator, 2010.1-2012.12

Honors And Awards

1. Nov. 2013 “Youth Award” by China Power Supply Society (CPSS)
2. May 2014 “Delta Young Scholar Award” by Delta Environmental and Educational Foundation

Academic Achievement

Book:
[1] Hua Geng, Chun Liu, Xing Zhang, Geng Yang. Low voltage ride through and control of grid-connected renewable energy conversion system. China Machine Press (in Chinese). 2014.6.
Selected Journal Paper:
[1] Xinze Xi, Hua Geng, Geng Yang, Fei Gao. Two-Level Damping Control for DFIG-based Wind Farm Providing Synthetic Inertial Service. IEEE Trans. On Industry Application. (Early Access)
[2] ShaoKang Ma, Hua Geng, Lu Liu, Geng Yang, Bikash C. Pal. Grid-Synchronization Stability Improvement of Large Scale Wind Farm During Severe Grid Fault. IEEE Trans. On Power System. (Early Access)
[3] Shulong Tan, Hua Geng, Geng Yang. Equivalent synchronous generator model of current controlled power converter for small signal stability studies of modern power system. Journal of Modern Power Systems and Clean Energy. (Early Access)
[4] Hua Geng, Xinze Xi, Lu Liu, Geng Yang, Jin Ma. Hybrid Modulated Active Damping Control for DFIG based Wind Farm Participating in Frequency Response. IEEE Trans. On Energy Conversion. (Early Access)
[5] Hua Geng, Xinze Xi, Geng Yang. Small-Signal Stability of Power System Integrated with Ancillary Controlled Large-scale DFIG based Wind Farm. IET Renewable Power Generation, 2017, 11(8): 1191-1198.
[6] Hua Geng, Shuzhen Li, Chao Zhang etc. Hybrid Communication Topology and Protocol for Distributed-Controlled Cascaded H-Bridge Multilevel STATCOM. IEEE Trans. on Industry Application, 2017, 53(1): 576-584.
[7] Shulong Tan, Hua Geng, Geng Yang. Impedance-matching-based Control for Resonance Damping of Microgrid with Multiple Grid-Connected-Converters. Journal of Power Electronics 2016, 16(6): 2338-2349.
[8] Liran Zheng, Hua Geng, Geng Yang. Fast and Robust Phase Estimation Algorithm for Heavily Distorted Grid Conditions. IEEE Trans. on Industrial Electronics, 2016, 63(11): 6845-6855.
[9] Ruiqi Li, Hua Geng, Geng Yang. Fault ride-through of renewable energy conversion systems during voltage recovery. Journal of Modern Power Systems and Clean Energy, 2016, 4(1): 28-39.
[10] X. Xi, Hua Geng, G. Yang. Enhanced Model of the DFIG-based Wind Farm for Small-Signal Stability Studies of Weak Power System, IET Renewable Power Generation, 2014, 8(7): 765-774.
[11] Shuai Xiao, Hua Geng, Geng Yang. Nonlinear Pitch Control of Wind Turbines for Tower Load Reduction. IET Renewable Power Generation, 2014, 8(7): 786-794.
[12] Hua Geng, Geng Yang. Linear and Nonlinear Schemes Applied to Pitch Control of Wind Turbines. The Scientific World Journal, 2014, 10: 1-9.
[13] Hua Geng, Cong Liu, Geng Yang. LVRT Capability of DFIG based WECS under Asymmetrical Grid Fault Condition. IEEE Trans. on Industrial Electronics, June 2013, 60(6): 2495-2509.
[14] Hua Geng, Jianbo Sun, Shuai Xiao, Geng Yang. Modeling and Implementation of an All Digital Phase-Locked-Loop for Grid-Voltage Phase Detection. IEEE Trans. on Industrial Informatics, May 2013, 9(2): 772-780.
[15] Shuai Xiao, Hua Geng, Honglin Zhou, Geng Yang. Analysis of the control limit for rotor-side converter of doubly fed induction generator-based wind energy conversion system under various voltage dips, IET Renewable Power Generation, 2013, 7(1): 71-81.
[16] Shuai Xiao, Geng Yang, Honglin Zhou, Hua Geng. A LVRT Control Strategy based on Flux Linkage Tracking for DFIG-based WECS, IEEE Trans. on Industrial Electronics, 2013, 60(7): 2820-2832.
[17] Zhong Zheng, Geng Yang, Hua Geng, Coordinated Control of a Doubly-Fed Induction Generator-Based Wind Farm and a Static Synchronous Compensator for Low Voltage Ride-through Grid Code Compliance during Asymmetrical Grid Faults. Energies, 2013, 6(9): 4660-4681.
[18] H. Zhou, S. Xiao, G. Yang, H. Geng. Modeling and control for a bidirectional buck-boost cascade inverter, IEEE Transactions on Power Electronics, 2012, 27(3): 1401-1413.
[19] Hua Geng, David Xu, Bin Wu, Geng Yang. Active Damping for PMSG based WECS with DC Link Current Estimation. IEEE Trans. on Industrial Electronics, 2011, 58(4):1110-1119.
[20] Hua Geng, David Xu, Bin Wu. A Novel Hardware-Based All-Digital Phase-Locked Loop Applied to Grid-Connected Power Converters. IEEE Trans. on Industrial Electronics, 2011, 58(5):1737-1745.
[21] Hua Geng, David Xu, Bin Wu and Wei Huang. Direct voltage control for a stand-alone wind-driven self-excited induction generator with improved power quality. IEEE Trans. on Power Electronics, Aug. 2011, 26(8): 2358-2368.
[22] Hua Geng, Geng Yang, David Xu and Bin Wu. Unified Power control for PMSG based WECS during different grid situations. IEEE Trans. on Energy Conversion, Sept. 2011, 26(3): 822-830.
[23] Hua Geng, David Xu, Bin Wu and Geng Yang. Active Islanding Detection for Inverter-Based Distributed Generation Systems with Power Control Interface. IEEE Trans. on Energy Conversion, Dec. 2011, 26(4): 1063-1072.
[24] Hua Geng, David Xu. Stability Analysis and Improvements for Variable-speed Multi-pole Permanent Magnet Synchronous Generator based Wind Energy Conversion System. IEEE Trans. on Sustainable Energy, Oct. 2011, 2(4): 459-467.
[25] Hua Geng, David Xu, Bin Wu and Geng Yang. Comparison of oscillation damping capability in three power control strategies for PMSG-based WECS. Wind Energy, 2011, 14(3):389-406.
[26] H. Zhou, G. Yang, J. Wang, H. Geng. Control of a hybrid high-voltage DC connection for large doubly fed induction generator-based wind farms. IET Renewable Power Generation, 2011, 5(1): 36-47.
[27] Hua Geng, Geng Yang. Output Power Control for Variable-Speed Variable-Pitch Wind Generation Systems. IEEE Trans. on Energy Conversion, 2010, 25(2):494-502.
[28] Hua Geng, Geng Yang. Robust pitch controller for output power levelling of variable-speed variable-pitch wind turbine generator systems. IET Renewable Power Generation, 2009, 3(2): 168-179.

Selected Conference Paper:
[1] Shulong Tan, Hua Geng, Geng Yang.Stability Analysis and Improvement of LCL-Converters Based Microgrid. Renewable Power Generation conference, 2015.
[2] Xinze Xi, Hua Geng, Geng Yang. Stochastic subspace identification based modelling scheme for small-signal stability analysis of wind power integrated power system. Renewable Power Generation conference, 2015.
[3] Yang Wentao, Geng Hua, Xiao Shuai, Yang Geng. Nonlinear Individual Pitch Control of Large Wind Turbines for Blade Load Reduction, Renewable Power Generation conference, RPG 2015, 2015.
[4] Yang Wentao, Geng Hua, Xiao Shuai, Yang Geng. Linear Interpolation Model Predictive Control of Large Wind Turbines for Blade Asymmetric Fatigue Loads Mitigation, 17th European Conference on Power electronics and Applications, EPE 2015, Geneva, Switzerland, 2015.
[5] Xinze Xi, Hua Geng, Geng Yang. et al. Small-signal stability analysis and PHIL experiment validation of power system with WECS voltage/frequency ancillary control. IEEE Industrial Electronics Annual Conference, 2015.
[6] Haisang Wu, Wei Liu, Yingjie Chen, Hua Geng, Xiaofeng Sun, Geng Yang. Situation of Technology on Charging Optimization of Li-ion Power Battery.2015 Conference of China Power Supply Society, CCPSS2015, Shenzhen China, 2015.
[7] Shulong Tan, Geng Yang, Hua Geng, et al. Investigation of harmonic properties of a typical nonlinear load in an AC power-electronics-based micro-grid. Future Energy Electronics Conference, IFEEC2015, Taipei, 2015.
[8] Shulong Tan, Geng Yang, Hua Geng. A framework for stability analysis of micro-grid consisting of multiple grid-connected-converters.Electronics and Application Conference and Exposition,PEAC2014, Shanghai China, 2014.(Excellent paper, top 3%)
[9] Shulong Tan, Geng Yang, Hua Geng, et al. A resonance suppression method for a multiple grid-connected-converter system with LCL filter.Electronics and Application Conference and Exposition,PEAC2014, Shanghai China, 2014.
[10] Ruiqi Li, Geng Hua, Yang Geng. Asymmetrical high voltage ride through control strategy of grid-side converter for grid-connected renewable energy equipment. Electronics and Application Conference and Exposition,PEAC 2014, Shanghai China, 2014.
[11] Xinze Xi, Hua Geng, Geng Yang. Small signal stability of weak power system integrated with inertia tuned large scale wind farm. 2014 IEEE Innovative Smart Grid Technologies - Asia, ISGT Asia 2014, Kuala Lumpur, 2014. (Best student paper, top 3%)
[12]  Yang Wentao, Geng Hua, Xiao Shuai, Yang Geng. Application of Multirate Sampling Approach in Pitch Control of Wind Generator Systems, 33rd Chinese Control Conference, CCC 2014, Nanjing, China, 2014.
[13] Hua Geng, Qing Lv, Geng Yang. Harmonic mitigation performance of the power inverter based DG in a AC microgrid.2014 IEEE 23rd International Symposium on Industrial Electronics, ISIE 2014, Istanbul, 2014.
[14] Shuai Xiao,Geng Yang,Hua Geng. Nonlinear pitch control design for load reduction on wind turbines.7th International Power Electronics Conference, IPEC-Hiroshima - ECCE Asia 2014, Hiroshima, 2014.
[15] Xinze Xi, Hua Geng, Geng Yang. Modelling of the DFIG based wind farms for small signal stability analysis of weak power grids.2nd IET Renewable Power Generation Conference, RPG 2013, Beijing, China, 2013.
[16] Yunlu Guo, Hua Geng, Geng Yang. LVRT Capability and Improved Control Scheme of PMSG-based WECS during Asymmetrical Grid Fault. 2013 IEEE Industrial Electronics Society Annual Conference, IECON 2013. Vienna, Austria, 2013: 5294-5299.
[17] H. Geng, G. Yang. Ride-through and grid support of the DFIG based wind farm during asymmetrical faults.2013 IEEE ECCE-Asia, 3-6 June 2013, Melbourne, Australia.
[18] Zheng Z, Yang G,Geng H. High voltage ride-through control strategy of grid-side converter for DFIG-basedWECS.IEEE Industrial Electronics Society Annual Conference. Vienna, Austria, 2013: 5280-5285.
[19] Zheng Z, Yang G,Geng H.Capability of asymmetrical grid faults ride-through for DFIG-based Wind turbines, 38th Annual Conference on IEEE Industrial Electronics Society, IECON 2012, pp 3533-3540, Montreal, QC, 2012.
[20] Zheng Z, Yang G, Geng H. Short circuit current analysis of DFIG-type WG with crowbar protection under grid faults. 2012 IEEE International Symposium on Industrial Electronics, 2012:1072 - 1079.
[21] Xiao S, Yang G, Geng H. Analysis of the control limit of crowbar-less LVRT methods for DFIG-based wind power systems under asymmetrical voltage dips. 2011 IEEE PES Innovative Smart Grid Technologies Asia, 2011:1 - 7.
[22] C.K. Wan,G. Yang,H. Geng,T.S. Zhang. Control methods of a cascade power regulation system for smart grid.2011 IEEE Power and Energy Society's Innovative Smart Grid Technologies Conference, Perth, WA, 2011. (Best poster paper, top 1%)
[23] Hua Geng, Geng Yang, David Xu and Bin Wu. Model Predictive Control for Transformerless Shunt Hybrid Power Filters. IPEC 2010.
[24] Hua Geng, David Xu, Bin Wu, Geng Yang. Comparison of active frequency drifting islanding detection methods for different DG interface controls. PEDG 2010.
[25] Hua Geng, David Xu, Bin Wu, Geng Yang. Active damping for torsional vibrations in PMSG based WECS. The 25th Annual IEEE Applied Power Electronics Conference & Exposition, California, USA, Feb., 2010