科学研究

研究领域或方向

电力电子技术在电能质量控制及输配电系统中的应用;
含新能源和分布式发电的微网及未来电网电力电子变流器及控制;
电力电子电路和系统的建模、仿真、分析和控制;
大功率电力电子系统优化设计与可靠性评估。

 

科研项目及成果

1)参加国家自然科学基金项目:瞬时无功率理论和串联混合型谐波抑制装置的研究;

2)参加国家自然科学基金项目:电力机车用单相典礼有源滤波器的基础理论及试验研究;

3)参加国家自然科学基金重点项目:复杂供电系统谐波的基础理论及综合防治的研究;

4)参加国家自然科学基金重点项目:电力电子集成的基础理论与关键技术的研究;

5)参加教育部博士点基金项目:无谐波公害功率因数电力电子装置的研究;

6)主持教育部优秀青年教师资助计划项目:通用电能质量控制器的系统建模和调节方法研究;

7)主持教育部博士点基金项目:电力电子系统多模块分布式互联的稳定性和瞬态特性的研究;

8)主持教育部留学回国基金项目:基于模块端口特性模型的分布式电力电子系统瞬态特性的研究;

9)主持国家自然科学基金项目:通用电能质量控制技术基础理论和控制方法的研究;

10)主持国家自然科学基金项目:电力电子系统多模块分布式互联的稳定性、动态特性及其控制方法;

11)主持国家科技支撑计划重点项目课题:电能质量复合控制技术及装置;

12)参加国家科技支撑计划重点项目课题:新型电力电子器件及电力电子集成技术;

13)主持电力设备电气绝缘国家重点实验室自主重点科研项目、现代航空新型电气系统基础理论及关键技术;

14)主持973计划课题:微网并网控制及微网中多分布式电源协调控制;

15)主持国际合作科研项目6项,主持、参加国内企业资助项目多项。

共计合作出版专著1部,主编和参编教材各1部,发表SCI论文50余篇、EI论文400余篇,获授权发明专利近50项
 
近年代表论著

1         Jing Li and Jinjun Liu. A Novel Buck–Boost Converter With Low Electric Stress on Components. IEEE Transactions on Industrial Electronics, 2019, 66(4): 2703-2713.

2         Chao Wang, Yingjie He, Yue Wang and Jinjun Liu. Research of the equivalent relationship between the space vector and the triangular carrier-based PWM modulation strategies in the flying capacitor multilevel inverters. International Journal of Electronics, 2019, 106(3): 395-414.

3         Yan Zhang, Jinjun Liu, Xinying Li, Xiaolong Ma, Sizhan Zhou, Hongliang Wang, Yanfei Liu. An Improved PWM Strategy for Z-Source Inverter with Maximum Boost Capability and Minimum Switching Frequency. IEEE Transactions on Power Electronics, 2018, 33(1): 606-628.

4         Rui Luo, Yingjie He, Jinjun Liu. Research on the Unbalanced Compensation of Delta-connected Cascaded H-bridge Multilevel SVG. IEEE Transactions on Industrial Electronics, 2018, 65(11): 8667-8676.

5         Sizhan Zhou, Jinjun Liu, Linyuan Zhou, Yan Zhang. DQ current control of voltage source converters with a decoupling method based on preprocessed reference current feed-forward. IEEE Transactions on Power Electronics, 2017, 32(11): 8904-8921.

6         Yan Zhang, Jinjun Liu, Zhuo Dong, Hongliang Wang, Yanfei Liu. Dynamic Performance Improvement of Diode-capacitor-Based High Step-up DC–DC Converter through Right-Half-plane Zero Elimination. IEEE Transactions on Power Electronics, 2017, 32(8): 6532-6543.

7         Yan Zhang, Jinjun Liu, Zhuo Dong, Yaoqin Jia, Cheng Nie, Sizhan Zhou, Yanfei Liu. Maximum Boost Control of Diode-Assisted Buck-Boost Voltage-Source Inverter with Minimum Switching Frequency. IEEE Transactions on Power Electronics, 2017, 32(2): 1533-1547.

8         Zeng Liu, Jinjun Liu, Xueyu Hou, Qingyun Dou, Danhong Xue, Teng Liu. Output Impedance Modeling and Stability Prediction of Three-Phase Paralleled Inverters with Master–Slave Sharing Scheme Based on Terminal Characteristics of Individual Inverters. IEEE Transactions on Power Electronics, 2016, 31(7): 5306-5320.

9         Teng Wu, Zeng Liu, Jinjun Liu, Shike Wang, Zhiyuan You. A Unified Virtual Power Decoupling Method for Droop-Controlled Parallel Inverters in Microgrids. IEEE Transactions on Power Electronics, 2016, 31(8): 5587-5603.

10      Yan Zhang, Jinjun Liu, Zhuo Dong, Yaoqin Jia, Cheng Nie, Sizhan Zhou, Yanfei Liu. Maximum Boost Control of Diode-Assisted Buck–Boost Voltage-Source Inverter with Minimum Switching Frequency. IEEE Transactions on Power Electronics, 2017, 32(2): 1533-1547.

11      Xinyu Wang, Jinjun Liu, Shaodi Ouyang, etc.. Control and Experiment of an H-Bridge-Based Three-Phase Three-Stage Modular Power Electronic Transformer. IEEE Transactions on Power Electronics, 2016, 31(3): 2002-2011

12      Linyuan Zhou, Jinjun Liu, Sizhan Zhou. Improved Demagnetization Control of a Doubly-Fed Induction Generator Under Balanced Grid Fault. IEEE Transactions on Power Electronics, 2015, 30(12): 6695-6705

13      Zeng Liu, Jinjun Liu, Weihan Bao, etc.. Infinity-Norm of Impedance-Based Stability Criterion for Three-Phase AC Distributed Power Systems With Constant Power Loads. IEEE Transactions on Power Electronics, 2015, 30(6): 3030-3043

14      Jinjun Liu.  Power Systems based on Multiple Electronic Converters: Challenges to Power Electronics and Possible Solutions.  Invited keynote plenary speech at 2015 IEEE Conference on Industrial Electronics and Applications (ICIEA 2015), Auckland, New Zealand, Jun. 15-17, 2015

15      Jinjun Liu.  Power Electronics for Electric Utilities and Micro-Grids: A Perspective from China. Invited keynote plenary speech at 2015 IEEE International Conference on Power Electronics – ECCE Asia (ICPE 2015-ECCE Asia), Seoul, Korea, Jun. 1-5, 2015

16      Xinyu Wang, Jinjun Liu, Shaodi Ouyang, etc.. Research on Unbalanced-Load Correction Capability of Two Power Electronic Transformer Topologies, IEEE Transactions on Power Electronics, 2015, 30(6): 3044-3056

17      Yan Zhang, Jinjun Liu, Xiaolong Ma. Comparison of Conventional DC-DC Converter and A Family of Diode-Assisted DC-DC Converter in Renewable Energy Application. Journal of Power Electronics, 2014, 14(2): 203-216

18      Fangcheng Liu, Jinjun Liu, Haodong Zhang. Stability Issues of Z+Z Type Cascade System in Hybrid Energy Storage System (HESS). IEEE Transactions on Power Electronics, 2014, 29(11): 5846-5859

19      Zeng Liu, Jinjun Liu. Indirect Current Control Based Seamless Transfer of Three-phase Inverter in Distributed Generation. IEEE Transactions on Power Electronics. 201429(7): 3368-3383

20      Zeng Liu, Jinjun Liu, Yalin Zhao. A Unified Control Strategy for Three-Phase Inverter in Distributed Generation. IEEE Transactions on Power Electronics, 2014, 29(3): 1176-1191

21      Fangcheng Liu, Jinjun Liu, Haodong Zhang, Danhong Xue. Generalized Stability Criterion for Multi-module Distributed DC System”, Journal of Power Electronics, 2014, 14(1) : 143-155

22      Yan Zhang, Jinjun Liu, Xiaolong Ma. Operation Modes Analysis and Limitation for Diode-Assisted Buck-boost Voltage Source Inverter with Small Voltage Vector. IEEE Transactions on Power Electronics, 2014, 29(7): 3525-3536

23      Yingjie He, Jinjun Liu, Zhaoan Wang. A PI Control Algorithm with Zero Static Misadjustment for Tracking Harmonic Current of Three-Level APF. Journal of Power Electronics, 2014, 14(1): 175-182

24      Jinjun Liu.  Stability Issue for Power Systems with Multiple Electronic Converters What Is The Appropriate Analytical Approach.  Invited keynote plenary speech at 1st IEEE International Future Energy Electronics Conference 2013 IFEEC 2013, Tainan, Taiwan, Nov. 3-6, 2013

25      Sixing Du, Jinjun Liu, Jiliang Lin. Hybrid Cascaded H-bridge Converter for Harmonic Current Compensation. IEEE Transactions on Power Electronics, 2013, 28(5): 2170-2179

26      Yan Zhang, Jinjun Liu, Chaoyi Zhang. Improved Pulse-Width Modulation Strategies for Diode-Assisted Buck-Boost Voltage Source Inverter. IEEE Transactions on Power Electronics, 2013, 28(8): 3675-3688

27      Zeng Liu, Jinjun Liu, Jin Li. Modeling, Analysis, and Mitigation of Load Neutral Point Voltage for Three-Phase Four-Leg Inverter. IEEE Transactions on Industrial Electronics. 2013, 60(5): 2010-2021

28      Sixing Du, Jinjun Liu. A Study on DC Voltage Control for Chopper-Cell-Based Modular Multilevel Converters in D-STATCOM Application. IEEE Transactions on Power Delivery, 2013, 28(4): 2030-2038

29      Xuan Zhang, Jinjun Liu, Zhiyuan You, Ting Liu. Study on the Influence of Distribution Lines to a Parallel Inverters System Adopting the Droop Control Method. Journal of Power Electronics, 2013, 13(4): 701-711

30      Sixing Du, Jinjun Liu, Jiliang Lin, Yingjie He. A Novel DC Voltage Control Method for STATCOM Based on Hybrid Multilevel H-Bridge Converter. IEEE Transactions on Power Electronics, 2013, 28(1): 101-111

31      Sixing Du, Jinjun Liu, Jiliang Lin. Leg-Balancing Control of the DC-link Voltage for Modular Multilevel Converters. Journal of Power Electronics, 2012, 12(5): 739-747

 

32      Yingjie He, Jinjun Liu, Zhaoan Wang, Yunping Zou. Theoretical Analysis and Control of DC Neutral-point Voltage Balance of Three-level Inverters in Active Power Filters. Journal of Power Electronics, 2012, 12(2): 344-356

33.    王兆安,刘进军电力电子技术(第5版)北京:机械工业出版社,2009

34.     王兆安,刘进军,王跃,杨君谐波抑制和无功功率补偿(第3版)北京:机械工业出版社,2015

 
正在进行的科研项目

1)主持国家重点研发计划项目:大容量电力电子装备多物理场综合分析与可靠性评估方法的研究;

1)主持国家自然科学基金重点项目:多变流器电能系统协调控制及稳定性基础理论与关键技术;

2)主持台达环境与教育基金会电力电子科教发展计划重大项目:基于分布式多变流器的微网控制方法与系统稳定性研究;

3)主持国家电网公司总部科技项目“静止同步发电机系统分析及其主电路研究”

4)主持国际合作项目 “轻型电力电子变压器”

5)主持国际合作项目 “并网逆变器和逆变器组的稳定性分析与设计方法研究”

6)主持国内企业合作项目 “电力电子自主创新研究专题”等多项。