Keng Weng LAO劉景榮
Assistant Professor

Academic Qualifications | Professional Experience | Teaching | Award and Honor | Patent | Research | Publications | Services | Contact Details


Academic Qualification

  • Ph.D in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2016)
  • M.Sc in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2012)
  • BSc in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2009)

Professional Experience

  • Oct. 2016 – present   Macao Fellow (Lecturer), Department of Electrical and Computer Engineering, University of Macau, Macao, China
  • Jun. 2017 – Jun. 2019   International Research Scholar, Department of Electrical and Computer Engineering, The University of Texas at Austin, Texas, US

Teaching

  • Electricity and Life (ELEC111)

Award and Honor

  • Champion of “IEEE Mega-Challenge: Smart City Competition” (2016)
  • Recipient Candidate of Macao Science and Technology R&D for Postgraduates Award (2016)
  • 1st Runner-up of “The 13th National Inter-varsity Science and Technology Competition “Challenge Cup” (2013)
  • Champion of Postgraduate Section in The IET Young Professionals Exhibition and Competition 2013 (YPEC) (2013)
  • Champion of “Schneider (HK) Energy Efficiency Cup” Competition (2010)
  • 1st Runner-up of The “Beijing-Macau Young Scholars Green Home Technology Forum” (2010)
  • Recipient of “Companhia de Electricidade de Macau – CEM, S.A. Academic Prize” (2009)

Patent

  • Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, Chi-Kong Wong, “Single-phase power quality conditioner for power supply system in electrified Railway”, Chinese Patent for Invention, No. 201210051065.X.

Research

Research Interests

  • Renewable energy integration
  • Energy Internet of Things
  • Distributed energy source control
  • Cyber-physical security
  • Energy data analytics
  • Artificial intelligence and machine learning

Research Projects

Projects funded by The Science and Technology Development Fund

  • “A Novel Electric Traction Power Supply System based on Unified Power Quality Compensators in High Power Applications” (Research Student, 2010-2016)

Projects funded by University of Macau

  • “System Modeling and Stability Analysis of Co-phase Electrified Railway Traction Power Supply” (Principal Investigator, on-going)

Publications

Monograph

  1. Keng-Weng Lao, Man-Chung Wong, and NingYi Dai, “Co-phase Traction Power Supply with Railway Hybrid Power Quality Conditioner”, Springer, 2019, ISBN 978-981-13-0438-5.

Journal Papers

  1. Keng-Weng Lao*, JingJing Sheng, WenYang Deng, and NingYi Dai, “PQ-Coupling Strategy for Droop Control in Grid-Connected Capacitive-Coupled Inverter”, IEEE Access, pp:1-1, March 2019 [SCI, EI][Q1]
  2. Keng-Weng Lao*, NingYi Dai and JingJing Sheng, “An improved closed-loop droop control technique for higher utilization of power output capability in CCI”, International Journal of Electrical Power & Energy Systems, vol. 109, pp: 455-469, July 2019. [SCI, EI][Q1]
  3. Tao Ye, NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, and Man-Chung Wong, ” A Low DC Voltage Photovoltaic Generation System with Power factor Correction and Harmonic Suppression Capability in Distribution Network”, IET Generation, Transmission & Distribution, 2019. [SCI, EI][Q1]
  4. Piyapath Siratarnsophon, Keng Weng Lao*, David Rosewater, and Surya Santoso, “A Voltage Smoothing Algorithm using Energy Storage PQ Control in PV-integrated Power Grid”, IEEE Transactions on Power Delivery, pp: 1-1, Jan. 2019. [SCI, EI][Q1]
  5. Quan Nguyen, Harsha V. Padullaparti, Keng-Weng Lao, SuryaSantoso, Xinda Ke, and Nader Samaan, “Exact Optimal Power Dispatch in Unbalanced Distribution Systems With High PV Penetration”, IEEE Transactions on Power Systems, vol: 64, issue: 1, pp: 718-728, Jan. 2019. [SCI, EI][Q1]
  6. Alvaro Furlani Bastos , Keng-Weng Lao, Grazia Todeschini, and Surya Santoso, “Novel Moving Average Filter for Detecting RMS Voltage Step Changes in Triggerless PQ Data”, IEEE Transactions on Power Delivery, vol: 33, issue: 6, pp: 2920-2929, Dec. 2018. [SCI, EI][Q1]
  7. Chi-Seng Lam, Yongheng Yang, Qing Zhong, Yandong Chen, and Keng-Weng Lao, “Advanced Power Electronic Converters and Power Quality Conditioning”, Journal of Electrical and Computer Engineering, vol: 2018, pp: 1-2, November 2018. [EI]
  8. Alvaro Furlani Bastos, Keng Weng Lao, Grazia Todeschini, and Surya Santoso, “Accurate Identification of Point-on-Wave Inception and Recovery Instants of Voltage Sags and Swells”, IEEE Transactions on Power Delivery, pp: 1-1, 2018 (Early Access). [SCI, EI][Q1]
  9. Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Seng Lam, Lei Wang, and Chi-Kong Wong, “Analysis of the Effects of Operation Voltage Range in Flexible DC Control on Railway HPQC Compensation Capability in High-Speed Co-phase Railway Power”, IEEE Transactions on Power Electronics, vol: 33, issue: 2, pp: 17601774, February 2018. [SCI, EI][Q1]
  10. Keng-Weng Lao*, Man-Chung Wong, Ning-Yi Dai, Chi-Seng Lam, Chi-Kong Wong, and Lei Wang, “Analysis in the effect of Co-phase Traction Railway HPQC Coupled Impedance on its Compensation Capability and Impedance-Mapping Design Technique based on Required Compensation Capability for Reduction in Operation Voltage”, IEEE Transactions on Power Electronics, vol: 32, issue: 4, Apr. 2017. [SCI, EI][Q1]
  11. Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “Analysis of DC Link Operation Voltage of a Hybrid Railway Power Quality Conditioner and its PQ Compensation Capability in High Speed Co-phase Traction Power Supply”, IEEE Transactions on Power Electronics, vol: 31, Issue: 2, pp: 1643-1656, 2016. [SCI, EI][Q1]
  12. NingYi Dai, Keng-Weng Lao, and Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for converter rating reduction”, IEEE Transactions on Industry Applications, vol: 51 Issue: 5, pp: 4130-4138, 2015. [SCI, EI][Q1]
  13. Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “A Systematic Approach to Hybrid Railway Power Conditioner Design With Harmonic Compensation for High-Speed Railway”, IEEE Transactions on Industrial Electronics, vol: 62 , no: 2, pp: 930 – 942, 2015. [SCI, EI][Q1]
  14. Lei Wang, Chi-Seng Lam, Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, and Chi-Kong Wong, “Nonlinear adaptive hysteresis band pulse-width modulation control for hybrid active power filters to reduce switching loss”, IET Power Electronics, vol: 8, issue:11, pp:2156-2167, 2015. [SCI, EI][Q1]
  15. NingYi Dai, Man-Chung Wong, Keng-Weng Lao, and Chi-Kong Wong, “Modelling and control of a railway power conditioner in co-phase traction power system under partial compensation”, IET Power Electronics, vol.7, no.5, pp 1044-1054, 2014. [SCI, EI][Q1]
  16. Keng-Weng Lao*, Ning-Yi Dai , Wei-Gang Liu, Man-Chung Wong, “Hybrid power quality compensator with minimum dc operation voltage design for high-speed traction power systems”, IEEE Transactions on Power Electronics, vol.28, no. 4, pp. 2024 –2036, Apr. 2013. [SCI, EI][Q1]
  17. Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, Chi-Kong Wong, “Hybrid power quality conditioner for co-phase power supply system in electrified railway”, IET Power Electronics, vol.5, no. 7, pp. 1084 – 1094, Aug 2012. [SCI, EI][Q1]

(* corresponding author)

Conference Papers

  1. Chang-He Li, Keng-Weng Lao, and Kam-Weng Tam,“A Flooding Warning System based on RFID Tag Array for Energy Facility”, in 2018 IEEE International Conference on RFID Technology & Application (RFID-TA), Macau SAR, China, Sept. 2018, pp: 1-4.
  2. Keng Weng Lao, Man Chung Wong, and Surya Santoso, “Recent Advances of FACTS Devices for Power Quality Compensation in Railway Traction Power Supply”, in 2018 IEEE/PES Transmission and Distribution Conference and Exposition (T&D), Denver, CO, USA, Apr. 2018, pp: 1-5.
  3. Keng Weng Lao, Quan Nguyen ; Surya Santoso, “Power Electronic Converters for Low-Frequency HVac Transmission: Functions and Challenges”, in 2018 IEEE Power & Energy Society General Meeting (PESGM), Portland, OR, USA, Aug. 2018, pp: 1-5.
  4. Lei Wang, Keng-Weng Lao, Chi-Seng Lam, and Man-ChungWong,“Delta-connected static var compensator (SVC) based hybrid active power filter (SVC-HAPF) and its control method”, in IECON 2017 – 43rd Annual Conference of the IEEE Industrial Electronics Society, Beijing, China,Nov. 2017, pp: 6384-6388.
  5. Jing-Jing Sheng, NingYi Dai, Man-Chung Wong, Chi-Seng Lam, and Keng-Weng Lao, “Droop-boost control for single-phase hybrid power filter”, in TENCON 2015 – 2015 IEEE Region 10 Conference, Macau SAR, Jan. 2015, pp: 1-6.
  6. NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for rating optimization”, in 2014 IEEE Energy Conversion Congress and Exposition, Pittsburgh, PA, USA, Sept. 2014, pp. 5908 – 5915.
  7. Keng-Weng Lao, Man-ChungWong, Ning-Yi Dai, Chi-KongWong,“Design of LCL filter for harmonic suppression in co-phase railway power quality conditioner”, in The IEEE International Future Energy Electronics Conference 2013 (IFEEC 2013), Tainan, Taiwan, Nov. 2013, pp. 794-799.
  8. Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, “A hybrid railway power conditioner for traction power supply system”, in The 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, Mar. 2013, pp. 1326 –1331.
  9. Keng-Weng Lao, Ning-Yi Dai, Wei-Gang Liu, Man-Chung Wong, Chi-Kong Wong, “Modeling and control of railway static power conditioner compensation based on power quality standards”, in The 13th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2012), Kyoto, Japan, Jun. 2012, pp. 1 – 6.

Postdoc, research assistant and PhD student positions are available. Please contact Dr. Lao at johnnylao@um.edu.mo for more information.


Services

Professional Services

Guest Editor

  • Special Issue on Journal of Electrical and Computer Engineering: Advanced Power Electronic Converters and Power Quality Conditioning (APEL)
  • Special Issue of IEEE Journal of RFID

Conference Organization

  • Secretary and Publication Chair of 2015 IEEE Region 10 Conference (TENCON 2015)
  • Publication Chair of IEEE RFID-TA 2018 Conference
  • Session Chair of IEEE PES General Meeting 2018 Conference (PESGM 2018)

Journal Reviewer

  • IEEE Transactions on Industrial Electronics;
  • IEEE Transactions on Power Electronics;
  • IEEE Transactions on Smart Grid;
  • IEEE Transactions on Industry Application;
  • International Journal of Emerging Electric Power Systems (IJEEPS);
  • International Journal of Electrical Power & Energy Systems (IJEPES).

Associate Vice President (Conference)

  • IEEE Council on RFID

Invited Speaker

  • Application of Power Electronics Techniques in High-Speed Railway Power Quality Conditioning, UT IEEE PES Student Section General Meeting (Mar. 2019)

Community Services

  • Committee Member in IEEE Macau (2010-Present)

Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-3046
Telephone: (853) 8822-4896
Fax: (853) 8822-2426
Email: johnnylao