Research Interests

• Power Quality Analysis (Harmonics, Interharmonics, Voltage sags and Flicker Analysis)
  
• Power Quality Impacts of Distributed Generations and Smart Grid
  
• Road Lighting, Horticultural Lighting and Human Centric Lighting
  
• Railway Electrification
  

Academic Activities

Reviewers

• IEEE Trans. on Power Delivery
• IET Generation, Transmission & Distribution
• ELSEVIER Electric Power System Research/Int. Journal of Electrical Power and Energy Systems
• ECTI-CON Journal/ECTI-CON
• EECON

  Committees

• IEEE R10 Vice-chair, Conference Quality and Management Committee, 2018
• IEEE R10 Electronic Communications and Information Management (ECIM) Coordinator, 2017
• Program Co-chairs, 13th International Symposium on Autonomous Decentralized Systems (ISADS), Bangkok, Thailand, 22-24 Mar 2017
• IEEE Thailand Secretary, 2011-2016
• Program Committee Chair, The 1st International Symposium on Railway System, 18-19 Dec 2014
• Publicity Chair, ECTI-CON'2013, 15-17 May 2013
• Program Chair, IEEE Thailand Student Conference on Senior Capstone Project (SCAP), 29 March 2013
• Technical Program Chair, EECON'35, 12-14 Dec 2012
• Secretariat, EDSSC 2012, 3-5 Dec 2012
• Program Committee, International Conference on Environment and Electrical Engineering (EEEIC)
• International Program Committee, 4th IASTED AsiaPES 2010, 24-26 Nov 2010
• Session Chair, EECON'32, 30 Oct 2009
• Local arrangement Chair, ASEAN Symposium on Power and Energy Systems by AUN/SEED-Net, 28-29 Sept 2009
• Session Chair, ECTI-CON'2009, 4 May 2009
• Session Chair, EECON'31, 30 Oct 2008

Journal Publications

2018

• Sirimas Potharajaroen, Sookjaroen Tangwongchai, Thavatchai Tayjasanant, Thammasak Thawitsri, George Anderson, and Michael Maes, “Bright light and oxygen therapies decrease delirium risk in critically ill surgical patients by targeting sleep and acid-base disturbances,” Psychiatry Research 261 (2018), pp. 21–27 Paper file
• Sirimas Potharajaroen, Sookjaroen Tangwongchai, Thavatchai Tayjasanant, and Thammasak Thawitsri, “Effect of bright light therapy on sleep in critically ill surgical patients,” Chulalongkorn Medical Journal, Vol. 62 (2018), Issue 2, pp. 239-251 Paper file (in Thai)

  2013

• Jenjira Boonamol and Thavatchai Tayjasanant, “Impacts of Distributed Generators on Voltage Sag Analysis,” Advanced Materials Research Journal, Vols. 732-733 (2013) pp. 877-881
• Chamaiporn Tanthadiloke and Thavatchai Tayjasanant, “Development of a Measuring Device and Software for Measurement of Electric Power Quantities Based on IEEE Standard 1459-2010,” Advanced Materials Research Journal, Vols. 732-733 (2013) pp. 830-834

  2012

• Vichakorn Hengsritawat and Thavatchai Tayjasanant, “Impacts of Load Models and Power Factor Control on Optimal Sizing of Photovoltaic Distributed Generators in a Distribution System,” IEEJ Trans. Electrical and Electronic Engineering, Vol.7, No.6, November 2012. Paper file
• Vichakorn Hengsritawat, Thavatchai Tayjasanant and Natthaphob Nimpitiwan, “Optimal sizing of photovoltaic distributed generators in a distribution system with consideration of solar radiation and harmonic distortion, ” Int. Journal of Electrical Power and Energy Systems 39, 2012, pp. 36–47. Paper file

  2010

• Le Viet Tien, Thavatchai Tayjasanant, Akihiko Yokoyama, and Bundhit Eua-Arporn, “Impacts of Voltage Sags and Protection Coordination on Sensitive Equipment in Distribution Systems,” IEEJ Trans. Power and Energy, Vol.130, No.6, 2010 Paper file
• W. Xu, T. Tayjasanant, G. Zhang, and R. Bahry, “Mitigation of Interharmonics Using a Switched Filter Scheme,” European Transactions on Electrical Power, Vol. 20, Issue 1, Jan 2010, pp. 83-95. Paper file

  2008

• J. Yong, T. Tayjasanant, W. Xu, and C. Sun, “Characterizing Voltage Fluctuations Caused by a Pair of Interharmonics,” IEEE Trans. Power Delivery, Vol. 23, Issue 1, Jan 2008, pp. 319-327. Paper file

  2007

• T. Tayjasanant and N. Sookmak, “An Excel-Based Program for Waveform Synthesis and Analysis,” IEEE Multidisciplinary Engineering Education Magazine, Vol. 2, No. 4, Dec 2007, pp. 12-14.

  2005

• A. Nassif, T. Tayjasanant, and W. Xu, “Methods for Characterizing Flicker and its Applications,” International Journal of Emerging Electric Power Systems, Vol. 4, Issue 2, 2005. Paper file
• T. Tayjasanant, C. Li and W. Xu, "A Resistance Sign-Based Method for Voltage Sag Source Detection," IEEE Trans. Power Delivery, Vol. 20, No. 4, October 2005, pp. 2544-2551. Paper file
• T. Tayjasanant, W. Wang, C. Li and W. Xu, "Interharmonic-Flicker Curves," IEEE Trans. Power Delivery, Vol. 20, No. 2, April 2005, pp. 1017-1024. Paper file

  2004

• C. Li, W. Xu and T. Tayjasanant, "A Critical Impedance Based Method for Identifying Harmonic Sources," IEEE Trans. Power Delivery, Vol. 19, No.2, April 2004, pp. 671-678. Paper file

  2003

• C. Li, W. Xu and T. Tayjasanant, "Interharmonics: Basic Concepts and Techniques for Their Detection and Measurement," Electric Power System Research Journal, Vol. 66, Issue 1, July 2003, pp. 39-48. Paper file
• C. Li, T. Tayjasanant and W. Xu, "Method for Voltage-Sag-Source Detection by Investigating the Slopeof System Trajectory," Proc. Inst. Elect. Eng.-Gen. Transm. Distrib., Vol. 150, No. 3, May 2003, pp. 367-372. Paper file

  1997

• M. H. J. Bollen, T. Tayjasanant and G. Yalcinkaya, “Assessment of the Number of Voltage Sags Experienced by A Large Industrial Customer”, IEEE Trans. on Industry Applications, Vol. 33, No. 6, Nov/Dec 1997, pp. 1465-1471. Paper file

Refereed Conference Proceedings

2019

• Watcharis Suebudom and Thavatchai Tayjasanant, “Application of Static Network Reconfiguration to Minimize Power Consumption from Grid for Photovoltaic Systems,” The 11th International Conference on Mechanical and Electrical Technology, 27-29 June 2019, Nanjing, China
• Tirada Chegsakul and Thavatchai Tayjasanant, “An impact of harmonic currents, load levels and ambient temperatures on transformer loss of life,” The 11th International Conference on Mechanical and Electrical Technology, 27-29 June 2019, Nanjing, China
• Nathawat Sukhathai and Thavatchai Tayjasanant, “Smart Street Lighting System with Networking Communication,” 2019 IEEE PES ISGT Asia, May 21-24, 2019, Chengdu, China
• Thanatchai Somrak, Thavatchai Tayjasanant, “Minimized Financial Losses Due to Interruptions and Voltage Sags with Consideration of Investment Cost, ” 2019 IEEE PES GTD Grand International Conference and Exposition Asia (GTD Asia), 21-23 Mar. 2019, Bangkok, Thailand

  2018

• Tang, X.-Y., Stoevesandt, B., Fan, B., Li, S., Yang, Q., Tayjasanant, T., Sun, Y., “An on-site measurement coupled CFD based approach for wind resource assessment over complex terrains,” 2018 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 14-17 May 2018, pp. 1-6, HOUSTON, TEXAS, USA

  2017

• Duangporn Lek-Uthai, and Thavatchai Tayjasanant, “A Comparative Study of DC Power Optimizer Using Boost and Zeta Converters with Modified Adaptive P&O Method,” PEACON 2017, Bangkok, Thailand, 13-14 Dec 2017
• ¹.Ê.ÍÃÇÃó ¡Ñ§ÇÒÌ, ¹Ò¾ÅÇѪà ÇÃóÈÔǾà , ÃÈ.´Ã.¸ÇѪªÑ ൪Ѫ͹ѹµì , "¡ÒÃËÒ»ÃÔÁÒ³¡ÒÅѧ¼ÅÔµµÔ´µÑ駢ͧÃкº¼ÅԵ俿éÒ¾Åѧ§Ò¹áʧÍÒ·ÔµÂì·ÕèÂÍÁãËéµÔ´µÑé§ä´éµÒÁ¢éÍ¡Ò˹´¡ÒÃàª×èÍÁµèͧ͢¡ÒÃä¿¿éÒ¹¤ÃËÅǧã¹Ãкº¨Ò˹èÒÂä¿¿éÒáç´Ñ¹µèÒ", PEACON 2017, Bangkok, Thailand, 13-14 Dec 2017 (in Thai) *Best Paper Award (Strengthening track)*
• ¹ÒÂàÃÔ§ÈÑ¡´Ôì Íè͹¨Ô¹´Ò, ÃÈ.´Ã.¸ÇѪªÑ ൪ÑÊ͹ѹµì ,"¡ÒÃÈÖ¡ÉҼšÃзº´éÒ¹áç´Ñ¹µ¡ªÑèÇ¢³ÐµèÍÃкºä¿¿éÒ¡ÒÅѧ 㹡Ò÷´Êͺ¤ÇÒÁÊÒÁÒö¡Ò÷¹µèÍ¡ÒÃÅѴǧ¨Ã¢Í§ËÁéÍá»Å§ä¿¿éÒ 3 à¿Ê ÊÒËÃѺÃкº¨Ò˹èÒ 22 kV áÅÐ 33 kV", PEACON 2017, Bangkok, Thailand, 13-14 Dec 2017 (in Thai)
• Pittayut Piromjit and Thavatchai Tayjasanant, “Peak-demand Management for Improving Undervoltages in Distribution Systems with Electric Vehicle Connection by Stationary Battery,” IEEE Transportation Electrification Conference and Expo, Harbin, China, 7-10 Aug 2017
• Kittituch Kraikiat and Thavatchai Tayjasanant, “Fault Location in Distribution Systems based on Analysis of Voltage Sags”, The 14th Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, Phuket, Thailand, 27-30 June 2017
• Vattanak Sok and Thavatchai Tayjasanant, “Determination of Optimal Siting and Sizing of Energy Storage System in PV-Connected Distribution Systems Considering Minimum Energy Losses, The 14th Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, Phuket, Thailand, 27-30 June 2017

  2016

• Phonlawat Wannasiwaporn and Thavatchai Tayjasanant, “Coordinating Battery Energy Storage with Reactive Power Support from PV Generation to Mitigate Overvoltage Problem from PV Generation in MV Distribution Systems”, The 9th Regional Conference on Electrical and Electronics Engineering (RCEEE), November 17-18, 2016, Hanoi, Vietnam
• Paranee Chailungka and Thavatchai Tayjasanant, “Analysis of Voltage Variations caused by Electric Vehicle Charging in Distribution Systems”, The 9th Regional Conference on Electrical and Electronics Engineering (RCEEE), November 17-18, 2016, Hanoi, Vietnam

  2015

• P. Piromjit, M. Vitayasiikul and T. Tayjasanant, "Development of measuring and displaying device for energy consumption in electric vehicle by using microcontroller,” 38th Electrical Engineering (EECON), 18-20 Nov 2015, Woraburi Ayothaya Convention Resort, Pranakornsriayuthaya, Thailand (in Thai)
• Pramoht UNHAVAITHAYA, Chaiya CHAMCHOY, Thavatchai TAYJASANANT, Yodsak UNHAVAITHAYA, Phonphat TEPBOON and Threetarn AMARALIKIT, “Energy Savings Potential for Intelligent LED and HID Street lightings Control and Management System in BKK,” Balkan Light 2015, 16-19 Sept. 2015, Athens, Greece

  2014

• V. Hengsritawat and T. Tayjasanant, "Impacts of PV-System Installation Zones on Shunt Capacitor and Power Quality in a Distribution System,” 37th Electrical Engineering (EECON), 19-21 Nov 2014, Pullman Khonkaen Hotel, Khonkaen, Thailand (in Thai)

  2013

• Sirirat Gludpetch and Thavatchai Tayjasanant, “Optimal Placement of Protective Devices For Improving Reliability Indices in Microgrid System,” The 5th IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC 2013), 8-11 Dec 2013, Hong Kong
• Huan Chu Xuan and Thavatchai Tayjasanant, “Modeling Wind Power Plants in Harmonic Resonance Study - A Case Study in Thailand,” 2013 International Conference on Information Technology and Electrical Engineering, 7-8 Oct 2013, Yogyakarta, Indonesia *Best Paper Award (Track 3: Power Systems*
• Pramoht UNHAVAITHAYA, Chaiya CHAMCHOY, Thavatchai TAYJASANANT, Yodsak UNHAVAITHAYA, Phonphat TEPBOON and Threetarn AMARALIKIT, “Quality Criteria of Road Lighting for Motor and Pedestrian traffic with Consideration of Energy Efficiency in Thailand,” Lux Pacifica 2013, Thailand

  2012

• T. Tayjasanant, and V. Hengsritawat, “Comparative Evaluation of DG and PV-DG Capacity Allocation in a Distribution System,” 15th IEEE International Conference on Harmonics and Quality of Power (ICHQP), 17-20 June 2012, Hong Kong
• T. Tayjasanant, and S. Surisunthon, “Impacts of Distributed Generation on Voltage Sag Assessment in Thailand’s Distribution Systems,” 15th IEEE International Conference on Harmonics and Quality of Power (ICHQP), 17-20 June 2012, Hong Kong
• Winai Nathasri, Thavatchai Tayjasanant and Chaiya Chamchoy, "Roadway Luminaire Selection based on Luminaire Performance Indices," The 2012 Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, May 16-18, 2012, Hua Hin, Thailand

  2011

• Thavatchai Tayjasanant and Rathapon Kaewtakarnwong, “Thailand Road Lighting Analysis for Energy-Efficient Lighting Design,” 34th Electrical Engineering (EECON), 30 Nov-2 Dec 2011, Ambassador City Jomtien Hotel, Chonburi, Thailand (in Thai)
• Preeda Chaoman and Thavatchai Tayjasanant, “Fault Location in Distribution Systems using Interrupted Load Data,” 34th Electrical Engineering (EECON), 30 Nov-2 Dec 2011, Ambassador City Jomtien Hotel, Chonburi, Thailand. (in Thai)
• Saowalak Surisunthon and Thavatchai Tayjasanant, “Impacts of Distributed Generation’s Locations, Sizes, Operation Modes and Transformer Connections on Voltage Sag Assessment,” TENCON 2011, Nov 21-24, 2011, Bali, Indonesia
• Jakkapong Tupsa-ard, Chaiya Chamchoy and Thavatchai Tayjasanant, "High Voltage Passive Harmonic Filter Design,” The 2011 Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, May 17-19, 2011, Khon Kaen, Thailand
• Saowalak Surisunthon and Thavatchai Tayjasanant, “Impacts of Distributed Generation on Voltage Sag Assessment in Distribution Systems,” The 2011 Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, May 17-19, 2011, Khon Kaen, Thailand

  2010

• Vichakorn Hengsritawat, Thavatchai Tayjasanant and Rujipan Sampanna, “Impacts of Load Models and Power Factor Control on Optimal Sizing of Photovoltaic Distributed Generators in a Distribution System,” 33th Electrical Engineering (EECON), 1-3 Dec 2010, Centara Duangtawan Hotel, Chiang Mai, Thailand *Best Paper Award in Power System Area*
• Soulaxay Keokhamphan, Chaiya Chamchoy and Thavatchai Tayjasanant, “Power System Harmonic Analysis Program for Power Quality Teaching and Studying,” 5th GMSARN International Conference, 17-19 Nov. 2010, Luang Prabang City, Lao PDR
• Panat Sawatpipat and Thavatchai Tayjasanant, “Fault Classification for Thailand’s Transmission Lines Based on Discrete Wavelet Transform,” The 2010 Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, May 19-21, 2010, Chiang Mai, Thailand

  2009

• Vichakorn Hengsritawat , Thavatchai Tayjasanant and Natthaphob Nimpitiwan, “Sizing Design and Power Quality Impact of Photovoltaic Distributed Generators in a Distribution System Using a Probabilistic Approach,” 32th Electrical Engineering (EECON), 28-30 Oct 2009, Tawaravadee Resort Hotel, Prachinburi, Thailand
• Seihakkiry Rann and Thavatchai Tayjasanant,”Impact on Protection Coordination in the Presence of Grid-Connected Photovoltaic Systems in a Distribution System,” 32th Electrical Engineering (EECON), 28-30 Oct 2009, Tawaravadee Resort Hotel, Prachinburi, Thailand
• P. Suwatpipat and Thavatchai Tayjasanant, “Implementation on Fault Classification Program in Thailand’s Transmission Power Grid,” 32th Electrical Engineering (EECON), 28-30 Oct 2009, Tawaravadee Resort Hotel, Prachinburi, Thailand (in Thai)
• Le Viet Tien, A. Yokoyama, T. Tayjasanant and B. Eua-Arporn, “Impacts of Voltage Sags and Protection Coordination on Sensitive Equipment in Distribution System,” Int. Conf. on Electrical Engineering (ICEE), 5-9 July 2009, Shenyang, China

  2008

• N. Nimpitiwan and T. Tayjasanant, “Optimal Voltage/Reactive Power Flow: Application for a Distribution System in Thailand,” 31th Electrical Engineering (EECON), 29-31 Oct 2008, Royal Hills Golf & Spa, Nakorn Nayok, Thailand
• K. Yossombut and T. Tayjasanant, “Voltage Sag Distributions due to Faults in Power Systems,” 31th Electrical Engineering (EECON), 29-31 Oct 2008, Royal Hills Golf & Spa, Nakorn Nayok, Thailand (in Thai)
• N. Sookmak and T. Tayjasanant, “A Program for Flickermeter based on IEC61000-4-15,” 31th Electrical Engineering (EECON), 29-31 Oct 2008, Royal Hills Golf & Spa, Nakorn Nayok, Thailand (in Thai)
• Le V. Tien and T. Tayjasanant, “An Analytical Approach for Stochastic Estimation of Voltage Sags in Power Systems,” The 2008 Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI) International Conference, May 14-17, 2008, Krabi, Thailand

  2007

• T. Tayjasanant, “A Graphic User Interfaced-based Program for Voltage Sag- and Flicker-Source Detection,” The 8th International Power Engineering Conference, Dec. 3-6, 2007, Singapore, pp. 1213-1218
• T. Tayjasanant, “A Graphic User Interfaced-based Program for Harmonic Impedance Calculation,” The 7th International Conference on Power Electronics and Drive Systems, Nov. 27-30, 2007, Bangkok, Thailand, pp. 1735-1740
• T. Tayjasanant, K. Yossombut and P. Suwatpipat, “A Graphic User Interfaced-based Program for Voltage Sag Calculation,” The 7th International Conference on Power Electronics and Drive Systems, Nov. 27-30, 2007, Bangkok, Thailand, pp. 1713-1718

  2006

• A. B. Nassif and T. Tayjasanant, "Flicker Representation via STFT and Wavelets," IEEE PES General Meeting 2006, June 18-22, 2006, Montreal, Canada.

  2004

• T. Tayjasanant and W. Xu, "A Case Study of Flicker/Interharmonic Problems Caused by a Variable Frequency Drive," 11th IEEE International Conference on Harmonics and Quality of Power (ICHQP), Sept 12-15, 2004, Lake Placid, USA, pp. 72-76

  2002

• T. Tayjasanant and C. Li, "Method to Determine the Voltage Flicker Source Direction," IEEE Summer Meeting 2002 (Poster session), July 20-25, 2002, Chicago, USA

  1998

• T. Tayjasanant, C. Chamchoy, and S. Euoychai, “A Case Study of Power Quality Survey: Commercial Buildings (Banks)”, 21th Electrical Engineering (EECON), 12-13 Nov 1998, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand (in Thai)
• T. Tayjasanant, C. Chamchoy and S. Sangwongwanich “Case Studies on Harmonic Current Flow Direction in Electrical Power System in Thailand,” 12th Conference on the Electric Power Supply Industry (CEPSI), 2-6 November 1998, Pattaya, Thailand

  1997

• C. Chamchoy and T. Tayjasanant, “Current Harmonic of Electronic Ballasts for 36 Watts Fluorescent Lamp,” The Electrical Technology Exhibition and Symposium 1997 (ENTECH’97), 20-23 Nov 1997, Bangkok, Thailand (in Thai)
• C. Chamchoy and T. Tayjasanant, “Harmonic Survey level of MEA’s electrical distribution system,” 20th Electrical Engineering (EECON), 13-14 Nov 1997, Sol Twin Towers Hotel, Bangkok, Thailand (in Thai)

Invited Talks and Seminars

2019

• “Green Technology Applications in Power Systems”, International Conference on Electrical, Electronics, Informatics, and Vocational Education (ICE-ELINVO), 14 Sept 2019, Yogyakarta, Indonesia
• “Smart Street Lighting for Smart Cities: Technologies, Functions and Applications”, IEEE-PES Thailand seminar, Chaophaya Park Hotel, Bangkok, 23 August 2019
• “Power Quality Database and Power Quality Data Analytics” and “Flexibility and Resilience in Thailand”, Workshop on Power System Flexibility and Resilience, 22-23 Apr 2019 at National Sun Yat-sen University (NSYSU), Taiwan
• “Power Quality Database Management and Power Quality Data Analytics”, Seminar on Power Quality, 13 Mar 2019 at Sten Veander room, School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Sweden

  2018

• “Power Supply for Train & Equipment in Train and Transmission Line Equipment”, German-Thai Railway Partnership (GTRP), 2nd Workshop “Railway Electrification & Signalling”, 29-30 Oct 2018, Airport Rail Link Depot, Bangkok, Thailand
• “Renewable Energy Situation & Smart Grid Initiatives in Thailand and related Power Quality Issues”, Meijo University, Nagoya, Japan, 18 Oct 2018
• “Smart Grid Initiatives in Thailand” and “Methods to Increase Penetration Levels of Renewable Energy Sources”, Workshop on Smart Distribution Grid, 9-10 Apr 2018 at National Sun Yat-sen University (NSYSU), Taiwan

  2017

• “Power Quality Problems and Solutions: Theory and Case Studies”, IEEE Thailand seminar, Queen Sirikit National Convention Center, 21-23 Aug. 2017

  2016

• “Power Quality Problems & Solutions: Case Studies in Thailand and Asia Pacific”, IEEE-PES Thailand seminar, Chulalongkorn University, 9 Nov 2016
• “Power Quality Problems and Solutions: Theory and Case Studies”, IEEE Thailand seminar, Queen Sirikit National Convention Center, 3-5 Oct 2016
• “Power Quality Data Analytics and Power Quality Issues in Grid Codes”, with Prof. Wilsun Xu, Mr. Manat of MEA and Mr. Warich of PEA, Chulalongkorn University, 24 May 2016

  2013

• “Smart Grids and Renewable Energy (Impacts of Renewable Energy and Distributed Generation on Power Quality)”, Narai Hotel, 2-4 Oct 2013

  2012

• “Power Quality and Lighting Quality”, University of Sao Paulo and University of Campinas, Brazil, 19-21 Nov 2012.
• “Power Quality Impacts of Distributed Generation Integration”, with Prof. Chan-nan Lu, National Sun Yat-Sen University, Taiwan, Narai Hotel, 24-25 Oct 2012
• “Power Quality Solutions for Industrial Power Systems”, IEEE Thailand seminar, Rama Gardens Hotel, Thailand, 25-27 July 2012.
• “Power Quality Problems in Industrial Plants and Mitigation”, with Mr. Manat of MEA and Dr. Chakped of PEA, 19-20 April 2012.

  2011

• “Voltage Sag Analysis and Case Studies”, with Mr Komsan of PEA, Mr. Manat of MEA and Mr. Peerayuth and Mr. Chanapan of Schneider Thailand, Narai Hotel, Apr 22-23, 2011.

  2010

• “Power Quality Solutions for Industrial Power Systems”, IEEE Thailand seminar, Rama Gardens Hotel, Thailand, 20-22 Oct 2010.
• “Power Quality, Voltage Sag Analysis, and Harmonic Problems and Solutions”, Hanoi University of Science and Technology, Vietnam, 14-15 Oct 2010.
• “The Impacts of Smart Grid Technologies on Power Quality”, 10th Annual Power Quality and Energy Conservation Conference (PQSynergy Asia 2010), Sept 27-28, 2010
• “Power System Harmonics Analysis and Case Studies”, with Mr Triphob and Mr. Niwat of ABB and Dr. Chakped of PEA, Narai Hotel, Apr 1-2, 2010

  2009

• “Energy Saving using Lighting Controls and Energy Saving Devices”, 9th Annual Power Quality and Energy Conservation Conference (PQSynergy Asia 2009), Sept 9, 2009
• “Energy and Building”, Efficient Lighting Management Curricula, Narai Hotel, Mar, 2009

  2008

• “Power System Harmonic Modeling and Simulation”, with Prof Gary Chang, IEEE Chairman on Harmonic Modeling and Simulation, The Twin Towers, Oct 3-4, 2008
• “Interharmonics: Concepts and Analysis”, 8th Annual Power Quality and Energy Conservation Conference (PQSynergy Asia 2008), August 21, 2008
• “Harmonic Effects in Industrial Plants”, W. T. Engineering Co. Ltd., June 20, 2008
• “Electric Power Quality” Course for MEA engineers (33 hrs), March – April 2008

  2007

• “Voltage Fluctuation, Interharmonics and Flicker”, 7th Annual Power Quality and Energy Conservation Conference (PQSynergy Asia 2007), September 20, 2007
• “Harmonic Effects in Industrial Plants”, W. T. Engineering Co. Ltd., March 16, 2007

  2006

• “Understanding Power Quality Problems: Voltage Sag and Momentary Interruptions”, PEA office, June 15, 2006

Last updated: 22 Mar 2020