1.柔性直流输电技术

2.大功率电力电子变换器拓扑及控制

3.电力电子数字控制技术及其建模

张笑天，5822yh银河国际电力设备电气绝缘国家重点实验室副教授，博导。分别于2006年和2009年获得5822yh银河国际电气工程与自动化专业工学学士学位和工学硕士学位。2012年获得英国利物浦大学博士学位，毕业论文获得Robert Leggett Prize（优秀博士论文奖）。2013年4月至2015年11月在英国帝国理工学院任博士后副研究员。2016年3月起任5822yh银河国际电气工程学院副教授至今。

1.国家重点研发计划项目，直流电网限流装置拓扑及控制。

2.中国能源建设集团广东省电力设计研究院有限公司项目，高压大容量柔性直流换流站设计关键技术研究。

3.中国能源建设集团西北电力设计院有限公司项目，柔性直流输电系统主电路参数、过电压分析及绝缘配合研究。

4.上海电科电器科技有限公司/正泰集团股份有限公司研究院项目，面向未来配电网的能源路由器关键技术研究 。

1.    Xiaotian Zhang, Jiuyang Jin, Yenan Ye and Xu Yang, “Analysis of a Series-Parallel-Connected Type DC Power Flow Controller in Multiterminal Grids, ” IEEE Transactions on Power Electronics, 2022, 37(6), pp. 7400-7410. (期刊)

 2.    Xiaotian Zhang, Mofan Tian, Xin Xiang, Javier Pereda, Timothy C. Green, Xu Yang, Large Step Ratio Input-Series–Output-Parallel Chain-Link DC–DC Converter,” IEEE Transactions on Power Electronics,2019, 34(5), pp:4125 - 4136. (期刊)

3.    Xiaotian Zhang, Xin Xiang, Timothy C. Green, Xu Yang, Feng Wang, “A Push–Pull Modular-Multilevel-Converter-Based Low Step-Up Ratio DC Transformer,” IEEE Transactions on Industrial Electronics, 2019, 66(3), pp:2247 - 2256. (期刊)

4.    Xiaotian Zhang, Xin. Xiang, Timothy C. Green, Xu Yang, “Operation and Performance of Resonant Modular Multilevel Converter with Flexible Step Ratio,” IEEE Transactions on Industrial Electronics, 2017, 64(8), pp:6276 - 6286. (期刊)

5.  Xiaotian Zhang and Timothy C Green, “The Modular Multilevel Converter for High Step-Up Ratio DC-DC Conversion,” IEEE Transactions on Industrial Electronics, 2015, 62(8), pp: 4925-4936. (期刊)

6.  Xiaotian Zhang, Timothy C. Green, Adria Junyent-Ferre, “A New Resonant Modular Multilevel Step-Down DC-DC Converter with Inherent-Balancing,” IEEE Transactions on Power Electronics, 2015, 30(1), pp: 78 - 88. (期刊)

7.  Xiaotian Zhang, Joseph W. Spencer, Josep M. Guerrero, “Small-Signal Modeling of Digitally Controlled Grid-Connected Inverters with LCL filters,” IEEE Transactions on Industrial Electronics, 2013, 60(9), pp: 3752 - 3765. (期刊)

8.  Xiaotian Zhang, Joseph W. Spencer, “Study of Multisampled Multilevel Inverters to Improve Control Performance,” IEEE Transactions on Power Electronics, 2012, 27(11), pp: 4409 - 4416. (期刊)

9.  Xiaotian Zhang, Joseph W. Spencer, “Linear Voltage Control Scheme with Duty-Ratio Feedforward for Digitally Controlled Parallel Inverters,” IEEE Transactions on Power Electronics, 2011, 26(12), pp: 3642-3652. (期刊)

10.  Xiaotian Zhang, Joseph W. Spencer, “Analysis of Boost PFC Converters Operating in Discontinuous Conduction Mode,” IEEE Transactions on Power Electronics, 2011, 26(12), pp: 3621-3628. (期刊)

11.   Yanan Ye, Xiaotian Zhang, Jiuyang Jin, Yue Wang and Xu Yang, "Analysis and Design of a Nonisolated DC Transformer With Fault Current Limiting Capability," in IEEE Transactions on Power Electronics, 2022, 37(8), pp. 9876-9888. (期刊)

12.  Yang Qiao, Xiaotian Zhang, Xin Xiang, Xu Yang, Timothy C. Green, “Trapezoidal Current Modulation for Bidirectional High-Step-Ratio Modular DC–DC Converters,” IEEE Transactions on Power Electronics,2020,35(4), pp:3402 - 3415. (期刊)

13.  Xin Xiang, Xiaotian Zhang, Geraint P. Chaffey, Timothy C. Green, “A Modular Multilevel DC–DC Converter With a Compact Sub-Module Stack Suited to Low Step Ratios,” IEEE Transactions on Power Delivery,2019, 34(1), pp:312 - 323. (期刊)

14.  Xin Xiang, Xiaotian Zhang, Thomas Luth, Michael M. C. Merlin, Timothy C. Green, “A Compact Modular Multilevel DC–DC Converter for High Step-Ratio MV and HV Use,” IEEE Transactions on Industrial Electronics,2018, 65(9), pp:7060 - 7071. (期刊)

15.  Xin Xiang, Xiaotian Zhang, Geraint P. Chaffey, Timothy C. Green, “An Isolated Resonant Mode Modular Converter With Flexible Modulation and Variety of Configurations for MVDC Application,” IEEE Transactions on Power Delivery,2018, 65(9), pp:508 - 519. (期刊)

16.  Jingli Guo, Jun Liang, Xiaotian Zhang, Paul Judge, Xiuli Wang, Timothy C Green, “Reliability Analysis of MMCs Considering Sub-module Designs with Individual or Series Operated IGBTs,” IEEE Trans. Power Delivery,2017, 32(2), pp:666 - 677. (期刊)

17.  Xin Xiang, Xiaotian Zhang, Y. Gu, G. P. Chaffey and T. C. Green, "Analysis and Investigation of Internal AC Frequency to Minimize AC Current Magnitude and Reactive Power Circulation in Chain-Link Modular Multilevel Direct DC–DC Converters," IEEE Transactions on Circuits and Systems I: Regular Papers, 2020, vol. 67, no. 12, pp. 5586-5599. (期刊)

18.  Xin Xiang,  Y. Gu, Y. Qiao, Xiaotian Zhang, W. Li, X. He, T. C. Green "Resonant Modular Multilevel DC-DC Converters for both High and Low Step-Ratio Connections in MVDC Distribution Systems," IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2020.3045618. (期刊)

19.  Xin Xiang, Y. Qiao, Y. Gu, Xiaotian Zhang, and T. C. Green, "Analysis and Criterion for Inherent Balance Capability in Modular Multilevel DC–AC–DC Converters," IEEE Transactions on Power Electronics, vol. 35, no. 6, pp. 5573-5580, June 2020, doi: 10.1109/TPEL.2019.2954304. (期刊)

20.  Cristian Pineda, Javier Pereda, Felix Rojas, Carlos Cerda, Xiaotian Zhang, Alan J. Watson, “Asymmetrical Triangular Current Mode (ATCM) for Bidirectional High Step Ratio Modular Multilevel Dc–Dc Converter,” IEEE Transactions on Power Electronics,2020,35(7),pp:6906 - 6915. (期刊)