Forschungsschwerpunkt

High efficiency cascaded multilevel converter for battery management applied in grid-tie inverter and electric vehicles

Lebenslauf

Education                                                                                         

since Sept. 2015               Doctoral student in Institute of Energy Conversion and Storage,

                                          University of Ulm, Germany, Major in Power Electronics                                   

Sept. 2013-Mar.2015         Master of Science in Shanghai Jiao Tong University (SJTU), China,

                                          Major in Electrical Engineering

Oct. 2011 – Sept. 2013      Master of Science in Berlin University of Technology (TUB), Germany,

                                          Major in Power Electronics, Electric Power Engineering

Sept. 2008 – Sept. 2011   Bachelor of Science in Shanghai Jiao Tong University, China,

                                          Major in Electric Power Engineering and Automation       

 

Research & Project Experiences

 

since Sept. 2015            Institute of Energy Conversion and Storage, Uni Ulm, Ulm, Germany              

                                       High efficiency cascaded multilevel converter for battery management applied

                                       in grid-tie inverter and electric vehicles

Sept. 2013 –Mar.2015    Transient Analysis and FACTS Tech Lab, SJTU, Shanghai, China                            

                                       Modulation optimization of three-phase three-wire shut APF (Active power

                                       Filter), cooperating with New-sunrise Co. Ltd., Shanghai.

                                       Torsional vibration suppression in doubly fed induced generator (DFIG) based

                                       wind energy system, funded by National Natural Science Foundation of China.

Oct. 2012 – Aug. 2013    FG Leistungselektronik, TUB, Berlin, Germany                                      

                                       Simulation study of regulated buck converter for electric/hybrid vehicles

                                       in Plecs/Matlab.

May 2012 – May 2013   Control Systems Group, TUB, Berlin, Germany          

                                      Comparison of stability properties of two different modeling approaches,

                                      namely dq representation and phasor representation, in droop controlled

                                      autonomous inverter-based microgrids.

Sept. 2012 –Aug. 2013   Yocoy Technologies Gmbh, Berlin, Germany , Student Assistant,

                                      As software tester tested the Yocoy’s apps, serving as language, travel,

                                      and culture guides.

                                     As front-end web developer, developed new methods for improving the

                                     handling of dynamic elements in certain areas of the website and

                                     optimizing the overall storage structure.

Veröffentlichungen

Papers

-        LIU, Libo, et al. A Damping Method for Torsional Vibrations in a DFIG Wind Turbine System Based on Small-Signal Analysis. Electric Power Components and Systems, 2017, 45. Jg., Nr. 5, S. 560-573.

-        LIU, Libo, et al. Performance comparison of two different filter design approaches for torsional vibration damping in a DFIG based wind turbine, IET Journal of Engineering, 1.1, 2015.

Kontakt

 

M.Sc. Libo Liu

Raum	47.2.247
Tel:	+49 (0)731 5025548
Fax:	+49 (0)731 5025549
Mail:	libo.liu(at)uni-ulm.de