International Power Electronics Innovation Forum (free of charge)

Room M27 (2nd floor),Hall E4,SNIEC
  • Wide Bandgap Devices and New Design and Applications of Power supplies

    Host: Tianhao Tang Shanghai Maritime University Professor
Time Topic Guest
Time TopicFuture Ship and Maritime Systems: Electrification, Informatization and Intelligentization Guest

Tianhao Tang
Shanghai Maritime University Professor

Time TopicHigh Efficiency Bidirectional DC to DC Converter for Energy Storage Applications Guest

Dr. Guoqiao Shen
Delta Electronics R&D Manager

Time TopicBroadcom Optocouplers – Driving and Protecting Next-generation Power Devices Guest

Hong Lei Chen
Broadcom Corporation Product Manager

Time TopicSegmentation Focus and Values Sharing of Nexperia PowerMosfet Guest

Lucky Li
Nexperia (China) Ltd. Power Engineer Director of Power MOSFET

Time TopicSiC MOSFET and Module Development in Mitsubishi Electric Corp.;Application of Better Performance of SiC Devices Guest

Harufusa Kondo
Mitsubishi Electric Corporation Senior Chief Engineer

Xiankui Ma
Great China Mitsubishi Electric Semiconductor Manager

  • Wide Bandgap Devices and New Design and Applications of Power supplies

    Host: Tianhao Tang Shanghai Maritime University Professor
Time Topic Guest
Time TopicStudy on single-stage isolated soft-switching Buck-mode three-phase rectifiers Guest

ShaojunXie
Nanjing University of Aeronautics and Astronautics Professor

Time TopicLittelfuse SIC & Semconductor Products Introduction and Application Guest

YS Du
Littelfuse, Inc. Field Application Manager

Time Topic Guest

Time TopicKey Technologies and Research Trends of Power Conversion in Smart Microgrid Guest

FeiWang
Shanghai University Professor

Time Topic Guest

Time TopicThe magnetic components application brief of High frequency high power switching power supply Guest

Hansom Mao
JIANGXI EvenTechNew Materials limited company Chairman\Chief engineer

Time Topicthe Characteristic of Power GaN and System Design & Application Guest

Yu Ding
Alpha & Omega Semiconductor (Shenzhen) Ltd., Shanghai Branch Senior Application Engineering Manager

  • AM Session: Key Technology of Large-scale Grid-connection Control of New Energy

    Host: Xu Cai Shanghai Jiao Tong University Professor
Time Topic Guest
Time TopicHybrid Topology of a Diode-Rectifier-based HVDC System for Offshore Wind Farms Guest

Xu CAI
Shanghai Jiao Tong University Professor

Time TopicModeling and analysingof resonance in renewable engergyintegraionsystem Guest

XiongDu
Chongqing Universiy Professor

Time TopicModeling and Stability Analysis of VSC-HVDC for Renewable Energy Integration Guest

Jing Lyu
Shanghai Jiao Tong University Associate Researcher

Time TopicControl of SSO in wind power systems Guest

XiaorongXie
Tsinghua Univ. Professor

Time TopicWide-frequency Oscillations Caused by Open-loop Modal Resonance in a Power System Integrated with Wind Generation Guest

Wang Haifeng
North China Electric Power University Professor

Time TopicGeneralized Short Circuit Ratio for Multi Power Electronic based Devices Infeed to Power Systems Guest

HuanhaiXin
Zhejiang University Professor

  • PM Session: Transportation Electrification and Intelligent Motion

    Host: Guoqing Xu Shanghai University Professor
Time Topic Guest
Time TopicMotion Control Technologies on Energy Saving and Safety for Electric Vehicles Guest

Guoqing Xu
Shanghai University Professor

Time TopicResearch of Power Electronics Traction Transformer Guest

Zedong Zheng
Tsinghua University Associated Professor

Time TopicInnovation and Development of Technology of China Railway High Speed Tranin Guest

Jinsong Kang
Tongji-CRRC Joint Research center for Innovation Deputy Director

Time TopicThe overview of SAIC Fuel Cell Vehicle Development Guest

Cheng Wei
Shanghai Hydrogen Propulsiong Technology Co.,Ltd. Deputy general manager

Time TopicDesign of a Doubly Salient PMSM and drive control system Guest

Luc Moreau
Polytech'Nantes (France) Assistant professor

  • Dr. Guoqiao Shen

    Delta Electronics | R&D Manager

    Dr. Guoqiao Shen, RD manager of Delta Electronics, Senior member of Chinese Power Supply Society (CPSS), Graduated from Zhejiang University in 1993, got PhD in power electronics and motor driving in 2008, joined Delta Electronics since 2011.He has over 25 years’ experience in R&D of power electronics technologies and products, has more than 12 patents awarded, 30 papers published, and was awarded by National New Key Products of 2006, the first prize of Zhejiang Science and Technology Progress Award (2012), the TOP10 of The International Energy Storage Innovation Competition (2018, CNESA).

    High Efficiency Bidirectional DC to DC Converter for Energy Storage Applications

    For high power energy storage system with batteries, bidirectional dc-dc converters may rise to prominence in the near future, because they can be used as current regulators or voltage adapters, and takes a key role in battery energy management, system coordinations, and fast protection in case of a fault as well.The talk will introduce Delta’s latest development on bidirectional dc-dc converters for various energy storage applications, and the technologies to fulfill high efficient, high voltage and high power density dc energy storage systems, including application of SiC devices, 3-level dc-dc conversion, control strategies for multiple dc-dc modules in paralleling and in series connection.

  • FeiWang

    Shanghai University | Professor

    He received the B.Sc. degree in electrical engineering and the M.Sc. degree in power electronics from Zhejiang University, Hangzhou, China, in 2002 and 2005, respectively, and the Ph.D. degree in power electronics from the Eindhoven University of Technology, Eindhoven, The Netherlands, in 2010. Since 2010, he has been a Faculty Member with the School of Mechatronic Engineering and Automation, Shanghai University, Shanghai, and He has authored or coauthored over 80 papers, 6 inventions, and 1 academic book.His current research interests include distributed generation, microgrid, regional energy network, LED drivers, etc.

    Key Technologies and Research Trends of Power Conversion in Smart Microgrid

    With the continuous deployment of renewable energy based distributed generations, microgrid, as a basic element at the distribution system level of smart grid, is playing an important role. And the power-electronics based power conversion technology is the core part for building microgrids and interconnecting, where the key technologies are gradually shifting from bottom-level power conversion to the stable operation at system level and to the efficient energy management at upper level. With the diversified development and promotion of urban/industrial energy supply forms, smart microgrid will inevitably derive into a regional smart energy network oriented to multi-energy complementarity, and its research trends and technical means need to be explored urgently.

  • ShaojunXie

    Nanjing University of Aeronautics and Astronautics | Professor

    Shaojun Xie was born in Hubei, China, in 1968. He received the B.S., M.S., and Ph.D. degrees in electrical engineering from NUAA, Nanjing, China, in 1989, 1992, and 1995, respectively. In 1992, he joined the Faculty of Electrical Engineering Teaching and Research Division, NUAA, where he is currently a Professor at the College of Automation Engineering. In recent five years, he has authored and coauthored over 100 technical papers published in many journals and international conference proceedings. His main research interests include the aviation electrical power supply and power electronic conversion.

    Study on single-stage isolated soft-switching Buck-mode three-phase rectifiers

    A novel single-stage isolated buck-type three-phase rectifier and its control technology are presented. The new rectifier consists of low-frequency sector selection circuit and high-frequency phase-shifting full-bridges. The working principle of the converter and the modulation technology for realizing the soft switching of power devices are analyzed in detail. And, some related practical problems are discussed, such as the influence and suppression methods of the resonance between the transformer leakage inductance and the rectifier diode junction capacitance, the influence and compensation strategy of the duty cycle loss caused by the transformer leakage inductance, etc. The theoretical researches and experimental results of the 380V AC input/400V DC output/10kW prototype show that the new rectifier can achieve high power factor and high efficiency. Compared with the commonly used boost-type three-phase PWM rectifiers, the presented rectifier has many advantages such as the wide output voltage range, no inrush current under startup and so on.

  • Hansom Mao

    JIANGXI EvenTechNew Materials limited company | Chairman\Chief engineer

    Master tutor(material engineering).Served as r&d technical support for TCL group successively;Head of FAE in shenzhen market of Vimicro, chief engineer of Dayou technology;Now he is chief engineer of ETNM.Familiar with switching power supply circuit, more than 10 years of research on electromagnetics and magnetic materials.Deep understanding of magnetic circuit design and material selection in different circuit topologies.

    the magnetic components application brief of High frequency high power switching power supply

    With the large-scale application of SiC and other wide-bandgap semiconductor materials, the working frequency of the switching power supply is greatly increased, and the power density of the power supply also increases accordingly.As one of the main power components of switching power supply, how can the magnetic components be optimized with the increase of both frequency and power?What is the development direction of magnetic materials? This paper gives a brief introduction.

  • Jing Lyu

    Shanghai Jiao Tong University | Associate Researcher

    Dr. Jing Lyu is currently an Associate Researcher with the Department of Electrical Engineering, Shanghai Jiao Tong University. He is a member of IEEE and China Power Supply Society. His current research interests include dynamic stability of MMC-based HVDC connected wind farms/PV plants, dynamic modeling of wind turbine/wind farm, and stability of interconnected power electronics systems. He has published more than 40 SCI/EI papers and holds 5 granted patents.

    Modeling and Stability Analysis of VSC-HVDC for Renewable Energy Integration

    "In the operation of the system with flexible DC transmission for wind andphotovoltaic (PV) power stations, the broadband oscillations occurred from time totime between the renewable power stations and the flexible DC transmission system,and they are becoming emerging technical problems that need to be solved. In this speech, various oscillatory phenomena observed in the real world will be reviewed. Then, the modeling and stability analysis of MMC-based HVDC connected wind farms will be discussed. Based on that, the stabilization control methods will be proposed to improve the stability of the interconnected system."

  • XiongDu

    Chongqing Universiy | Professor

    Xiong Du obtained his Ph. D. degree from Chongqing University, China in 2005 in the Electrical Engineering. He is currently a full professor in the School of Electrical Engineering, Chongqing University. He was a visiting scholar at Rensselaer Polytechnic Institute, Troy, NY from July 2007 to July 2008. His research interests include power electronics system reliability and stability. He is a recipient of the National Excellent Doctoral Dissertation of P.R. China in 2008.

    Modeling and analysing of resonance in renewable engergy integraion system

    With the rapid development of power generation from renewable energy, such as wind and PV, a large number of renewable energy power converters have been connected to the power grid, resulting in frequent occurrence of harmonic oscillation accidents. Harmonic oscillation easily leads to a large number of generator tripping, causing severe power grid safety accidents and huge economic losses, which has been the serious obstacles in the process of the renewable energy utilization. However, the mechanism of harmonic oscillation generating is still not clear, which makes it difficult to assess the resonance risk and solve this problem. Based on the impedance analysis method, this talk will discuss the converter impedance model which will consider different factors, such as control structure and controller parameters. Frequency coupling characteristic and harmonic effect of the converter will be explored to explain the harmonic oscillation mechanism. Different methods to suppress the harmonic oscillation will also be discussed.

  • XiaorongXie

    Tsinghua Univ. | Professor

    Professor of Electrical Engineering Department, Tsinghua University. He graduated from Tsinghua University in 2001 with a doctorate in engineering. Research directions include power system stability analysis and control, flexible transmission and distribution system and wide area monitoring system, etc. His research work has been supported by the National Natural Science Foundation and the National Key Research and Development Program. He has more than 150 academic papers published, including more than 40 papers in international journals. He is senior members of IEEE, IET Fellow, and editorial board member of international journals such as IEEE Transactions on Power Delivery and IET Renewable Power Generation.

    Control of SSO in wind power systems

    "The interaction mechanism between multi-converter and power grid;The key problems of modeling, analysis and control ;Recent research results in impedance network modeling, frequency stability criterion, impedance re-shaping and active damping control."

  • HuanhaiXin

    Zhejiang University | Professor

    Huanhai Xin was born in Jiangxi, China, in 1981. He received the Ph.D. degree from the Department of electrical Engineering, Zhejiang Univer-sity, Hangzhou, China, in June 2007. He is currently a Professor in the Department of Electrical Engineering, Zhejiang University. As the principle investigator, He held four projects supported by NSFC; he as the second co-principle investigator participated in one key project supported by NSFC; in addition, he as a project director involved in one key research and development program. This applicant has authored more than 40 papers indexed by the Science Citation Index and more than 100 papers indexed by the Engineering Index. His three conference papers are awarded the best paper prize in the IEEE Power & Energy Society General Meeting in 2013, 2016 and 2018, respectively; his another conference paper is awarded the best paper prized in the International Conference on Wind Energy Grid-Adaptive Technologies in 2014. In addition, he is awarded one provincial technology prize and the outstanding paper prize from the China Association for Science and Technology in 2017.

    Generalized Short Circuit Ratio for Multi Power Electronic based Devices Infeed to Power Systems

    Huanhai Xin was born in Jiangxi, China, in 1981. He received the Ph.D. degree from the Department of electrical Engineering, Zhejiang Univer-sity, Hangzhou, China, in June 2007. He is currently a Professor in the Department of Electrical Engineering, Zhejiang University. As the principle investigator, He held four projects supported by NSFC; he as the second co-principle investigator participated in one key project supported by NSFC; in addition, he as a project director involved in one key research and development program. This applicant has authored more than 40 papers indexed by the Science Citation Index and more than 100 papers indexed by the Engineering Index. His three conference papers are awarded the best paper prize in the IEEE Power & Energy Society General Meeting in 2013, 2016 and 2018, respectively; his another conference paper is awarded the best paper prized in the International Conference on Wind Energy Grid-Adaptive Technologies in 2014. In addition, he is awarded one provincial technology prize and the outstanding paper prize from the China Association for Science and Technology in 2017.

  • Wang Haifeng

    North China Electric Power University | Professor

    Prof. Haifeng Wang obtained the PhD from the Southeast University, China in 1988. Subsequently he worked in the UK for over 20 years. He joined the North China Electric Power University.

    Wide-frequency Oscillations Caused by Open-loop Modal Resonance in a Power System Integrated with Wind Generation

    In 2015, several incidents of subsynchrnous oscillations (SSOs) occurred in the western power system in China, where there are no series compensated lines. It was reported that in one case, the SSOs triggered torsional stress relays installed on several SGs in the power system. The SSO incidents in the Chinese western power system have caused great concern. In this presentation, concept of open-loop modal resonance is proposed. It is introduced how the open-loop modal resonance can explain the mechanism about why the grid-connected wind generation may cause SSOs in a power system.

  • Xu CAI

    Shanghai Jiao Tong University | Professor

    Director of wind power research center, professor of electrical engineering, PhD supervisor of Shanghai Jiao Tong University; Senior member of CSEE; Member of HVDC and power electronic committee; power system committee of CSEE Research field: power control system of large wind turbine, new energy and energy storage equipment and its grid connection technology; DC collection and transmission of offshore wind power

    Hybrid Topology of a Diode-Rectifier-based HVDC System for Offshore Wind Farms

    With the offshore wind form developed rapidly, the distance to shrore become longer and longer, HVDC System for Offshore Wind Farms present more advantages. Deffrent from MMC, A new type of hybrid convertor based on Diode-Rectifier for HVDC System is proposed, Its volume and cost can be reduced sharply.

  • Motion Control Technologies on Energy Saving and Safety for Electric Vehicles
  • JinsongKang

    Tongji-CRRC Joint Research center for Innovation | Deputy Director

    "Professor of Tongji University, Deputy Director of Tongji-CRRC Joint Research Center of Innovation.The main research fields are: power electronic technology and motor control technology for rail vehicles, electric vehicles, green energy conversion and control technology, new high-efficiency and high-power power supply technology, etc. "

    Innovation and Development of Technology of China Railway High speed Tranin

    Brief description of the development process, innovative achievements and prospects of Technology for China Railway High-speed Train

  • Zedong Zheng

    Tsinghua University | Associated Professor

    Dr. Zedong Zheng is currently an associated professor in Dept. Electrical Engineering, Tsinghua University. His research interest includes the high performance control of AC motors, such as induction motors and PMSMs, the power electronics transformer (PET), multi-level converters, electric traction and propulsion system, and converters for the control of power storage systems. He have more than eighty research papers peer-reviewed top ranked journals and top class international conference.

    Research of Power Electronics Traction Transformer

    This speech will introduce the backgroud and principle of the power electronics transformer, especailly for the application in electric traction system. The research work and key technologies will be introduced in high voltage and larege power traction applications.

  • Cheng Wei

    Shanghai Hydrogen Propulsiong Technology Co.,Ltd., | Deputy general manager

    Cheng Wei, born in 1979,received Ph.D degree in control theory and engineering in 2006.Now he is the deputy general manager of SHPT. He is focusing on the development of new energy vehicle propulsion system for many years. As the vehicle chief engineer, he leads the team to complete the engineering development of Roewe 950 fuel cell sedan, Maxus V80 fuel cell light duty vehicle, Sunwin fuel cell bus.

    The overview of SAIC fuel cell vehicle development

    The hydrogen energy is the most important application carrier for clean energy and fossil energy. Focusing on transportation and energy storage market, the hydrogen energy and fuel cell technology can promote the development of sustainable energy mode to distributed supply and new energy.The driving force, development and demonstration of SAIC fuel cell vehicle are presented here. Finally, the future of fuel cell vehicle in China is thinked about .

  • Lucky.Li

    Nexperia (China) Ltd. | Power Engineer Director of Power MOSFET, Nexperia

    Mr. Li Dongyue has more than 10 years of experience in the semiconductor industry, focusing on product applications, technical support, and market development of power and discrete devices. He joined BU Standard Products(predecessor of Nexperia) of NXP in 2011 and joined Nexperia in 2017. He has served as the chief application engineer for the product and senior manager of the marketing department of Greater China, Now worked as Global Power Engineer Director of Nexperia BG MOSFET, responsible for product promotion and technical service team's management. He has extensive knowledge and practical experience in the process performance and industrial product application of power MOSFETs, and has an in-depth understanding of the MOSFET market.

    Segmentation focus and values sharing of Nexperia PowerMosfet

    1.Nexperia Mosfet segmentation focus
    2.The core technical values bring to the customers and industry
    3.Nexperia product roadmap plan sharing

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