Wei Liu

Project 3: Development of fast and discriminative HVDC grid protectionCardiff University.

Watch his work package 3 short video and read the work package reports.

Journal publications:
Operation and Control of an HVDC Circuit Breaker with Current Flow Control Capability, IEEE Journal of Emerging and Selected Topics in Power Electronics.
Protection of Single-Phase Fault at the Transformer Valve-Side of FB-MMC Based Bipolar HVDC Systems, IEEE Transactions on Industrial Electronics.
Double-Thyristor based Protection for Valve-Side Single-Phase-to-Ground Faults in HB-MMC based Bipolar HVDC Systems, IEEE Transactions on Industrial Electronics.

Conference presentations and posters:
CIGRE UK, Manchester, Feb 2020.
EV Workshop, Hangzhou, Nov 2019.
Renewable Power Generation, Shanghai, Oct 2019.
Energy Conversion Congress & Exposition, Baltimore, Oct 2019.
EPE’19 ECCE Europe, Genova, Sept 2019.
HVDC Colloquium, KU Leuven, Aug 2019.
Postgraduate conference, Gregynog, June 2019.
HVDC Colloquium, UPC, Barcelona, Sept 2018.

Policy work:
Senedd / National Assembly for Wales.

Public work:
Protection of Single-Phase Fault at the Transformer Valve-Side of FB-MMC Based Bipolar HVDC systems PowerPoint video presentation, Feb 2020.
Science Magic Show, Cardiff, Dec 2019.
European Researchers’ Night, international, Sept 2019.
Energy demonstration to university students, Cardiff, May 2019.
Community Centre Careers Day, Cardiff, March 2019.
Museum After Dark, Cardiff, Feb 2019.
European Researchers’ Night, Bristol, Sept 2018.
Secondary School, Figueres, May 2018.

Institute of Engineering & Technology’s ‘Best Conference Paper 3rd prize’, RPG, Oct 2019.

German (2019 onwards);  contributed to successful funding proposal application (2020);  ACDC international conference, Coventry (2019);  BIN@Porto (2018).  Network meetings: Cardiff University (2020), Elia (2019), DTU (2019), Uporto & Efacec (2018) and UPC (2018).  Imperial College London: IEEE Workshop on Representations of Power Electronics for Grid Dynamic Studies (2019).  Cardiff University: Science Busking workshop (2019); Research & Presenting workshop (2019).

I come from China and received my BSc and MSc degree in Electrical Engineering from Zhejiang University, China in 2012 and 2015, respectively.  I then joined an HVDC company in China as a power electronics engineer.

My research interests are power electronics-based power systems, eg off-shore wind energy systems, LCC and VSC HVDC systems; and I worked on stability and reliability during my engineering experience.

Being a member of the Marie Curie Early Stage Researchers (ESRs) and working for the InnoDC project at Cardiff University is a great honour.  I am now working on the topic ‘Development of fast and discriminative HVDC grid protection’, which is one of the most challenging problems for HVDC systems, especially for the multi-terminal DC system.  The ESRs are given a great opportunity to solve these problems by working with outstanding universities, professors and leading industries.

A PhD is not only a degree, but is also a way of life.  I will treasure my time working for InnoDC and my contribution to the project.

My hobbies are reading, swimming and badminton.  And I aim to explore new areas during my time in Wales.

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