Professor Wah Hoon Siew

Electronic and Electrical Engineering

Personal statement

I am a professional engineer (registered in the UK) with more than 30 years of teaching, research and consultancy experience in Electronic & Electrical Engineering.  During this period, I have worked with UK and overseas organisations on various projects related to lightning protection; large systems electromagnetic compatibility; and electrical plant monitoring and diagnostics.  I am also very active in the activities of CIGRE and was the Convener of C4.208 and C4.30


Nanocomposites based on magnesium-oxide/aluminum-nitride/polypropylene for HVDC cable insulation
Lin Xiaosi, Siew WH, Given Martin, Liggat John, He Jinliang
2020 IEEE International Conference on High Voltage Engineering and Application 2020 IEEE International Conference on Voltage Engineering and Application (2020)
Effect of different surface treatment agents on the physical chemistry and electrical properties of polyethylene nano-alumina nanocomposites
Duan Xuhui, Siew Wah Hoon, Given Martin, Liggat John, He Jinliang
IET High Voltage (2020)
Practical aspects of partial discharge measurement for HVDC cables
Hu X, Reid A J, Corr E, Siew W H, Judd M D, Seltzer-Grant M, Giussani R, El Mountassir O
Journal of Physics D: Applied Physics Vol 53 (2020)
Ageing indices and energy delivery for polymers undergoing PD activity under combined AC and DC stress
Zhao Weijia, Siew Wah Hoon, Given Martin J, Li Qingmin, He Jinliang
IEEE Transactions on Dielectrics and Electrical Insulation Vol 26, pp. 1903-1910 (2019)
Damage mechanism of wind turbine blade under the impact of lightning induced arcs
Zhang Minhao, Li Qingmin, Li Hongbo, Yu Wanshui, Guo Zixin, Siew Wah Hoon
Journal of Renewable and Sustainable Energy Vol 11 (2019)
A convolutional neural network based deep learning methodology for recognition of partial discharge patterns from high voltage cables
Peng Xiaosheng, Yang Fan, Wang Ganjun, Wu Yijiang, Lee Li, Li Zhaohui, Ahmed Bhatti Ashfaque, Zhou Chengke, Hepburn Donald M, Reid Alistair J, Judd Martin, Siew Wah Hoon
IEEE Transactions on Power Delivery Vol 34, pp. 1460-1469 (2019)

more publications


I have taught electromagnetics at level 3 of a 4 level degree programme.

I have also taught power systems electromagnetic compatibility at level 5 of a 5-year degree programme and at MSc level.

Research interests

  • Electromagnetic Compatibility with emphasis on transients emissions and immunity arising from switching; lightning; electromagnetic pulse; electrostatic discharges; and system harmonics.
  • Lightning Protection for aircraft and grounded structures, including wind turbines and large solar photovoltaic systems.
  • Cable diagnostics including partial discharge and cable fault location.
  • Wireless Sensor Network
  • Photovoltaic

Professional activities

Shandong University, School of Electrical Engineering
Visiting researcher
External examiner of PhD thesis on Realistic Lightning Exposure System for Optimized Wind Turbine Reliability by Stephan Vogel of Technical University of Denmark
Visiting lecturer
TNB Research
Visiting lecturer

more professional activities


Damage mechanism of lightning induced arc discharge on wind turbine blade material and development of lightning proof blade with optimised electrical and mechanical design
Siew, Wah Hoon (Principal Investigator) Pietro, Raul (Co-investigator) Li, Qingmin (Co-investigator)
This collaborative project between UK and China focuses on the development of innovative technology to protect wind turbine blades from extreme weather conditions, specifically lightning strikes and problems caused due to ice formation (icing). Lightning protection systems for wind turbines have evolved and have been improved upon since wind turbine generators have been considered to be a viable system for renewable energy generation in the 1990s. Lightning damage to turbine blades has reduced over the years in general but damage to turbine blades due to lightning still occur. In addition, wind farms are beginning to be constructed in areas where ice formation on turbine blades is common. In such conditions, ice prevention systems exist but their performance is not ideal. This project aims to develop a turbine blade that is "lightning proof" where the lightning protection system is integrated with the novel ice prevention system to form an integrated blade design with much higher reliability and efficacy when operational.
01-Jan-2017 - 31-Jan-2018
Life extension of MV cables through system voltage reduction
Siew, Wah Hoon (Co-investigator) Stewart, Brian (Principal Investigator)
01-Jan-2016 - 31-Jan-2018
Assessment of lightning protection for Gaia-Wind rotor
Siew, Wah Hoon (Principal Investigator)
Develop design solution that will provide an acceptable level of lightning protection to the rotor and route lightning safely to earth. Build and test prototypes.
08-Jan-2016 - 30-Jan-2016
Hubnet: Research Leadership and Networking for Energy Networks (Extension)
McArthur, Stephen (Principal Investigator) Catterson, Victoria (Co-investigator) Siew, Wah Hoon (Co-investigator)
01-Jan-2016 - 30-Jan-2018
Lightning protection of wind turbines
Siew, Wah Hoon (Principal Investigator)
01-Jan-2016 - 31-Jan-2020
Partial discharge in HVDC cables
Siew, Wah Hoon (Principal Investigator)
01-Jan-2015 - 31-Jan-2020

more projects


Electronic and Electrical Engineering
Royal College Building

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