Anawach Sangswang King Mongkut’s University of Technology Thonburi Research interest Power electronic converters, stochastic modeling, power system dynamics, renewable energy. Education 2003 Ph.D., Drexel University, Philadelphia, Pennsylvania, USA. 1999 M.S., Drexel University, Philadelphia, Pennsylvania, USA. 1995 B.Eng., King Mongkut’s Institute of Technology Thonburi, Bangkok, Thailand. Honors and Awards 2002 “Robert Fischl Annual Prize in Electric Power Engineering Studies” awarded in recognition of distinguished academics in the field of Electric Power Engineering studies. 2001 “Best presentation” awarded to Drexel University in the 2000 Future Energy Challenge National competition, sponsored by the U.S. Department of Energy and U.S. Department of Defense. 1997 Royal Thai Government Scholarship, 1997. Research Activities 2014 “Thailand PV status report in 2014 - 2015,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2014 “Assessment of Solar rooftop system projects,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2013 Principal Investigator, “Power System Energy Efficiency Improvement Study,” Energy Policy and Planning Office, Ministry of Energy, Thailand. 2013 Principal Investigator, “Research and Development Strategic Plan,” Provincial Electricity Authority, Thailand. 2013 “Assessment of 40 Photovoltaic Power Plants,” Office of the Energy Regulatory Commission, Thailand. 2013 “Sustainability of the PV standard testing facility,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2013 “Thailand PV status report in 2012 - 2013,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2012 “Save Cost and Safety for SMEs,” Department of Industrial Works, Ministry of Industry, Thailand. 2012 “Assessment of Electric Vehicle Technology Development and Its Implication in Thailand,” Electricity Generating Authority of Thailand. 2011 “Knowledge and technology transfer: electrical safety for fiscal year 2011,” Department of Industrial Works, Ministry of Industry, Thailand. 2011 Principal Investigator, “A Study of Electrical Service Quality Standards in Thailand,” Office of the Energy Regulatory Commission, Thailand. 2010 “Thermal Management of LED Street Light,” Lighting and Equipment Public Company Limited, Thailand. Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th 2010 “Knowledge and technology transfer: electrical safety for fiscal year 2010,” Department of Industrial Works , Ministry of Industry, Thailand. 2009 Principal Investigator, “Power Quality and Security Study,” Industry/University Cooperative Research Center and Western Digital (Thailand). 2009 “Expert sponsorships for the photovoltaic standard development and testing facility,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2009 “Development of training courses in solar cell applications for trainers,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2008 “Development of solar pumping system prototypes using domestically available parts,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2007 “Development of standard photovoltaic testing facilities,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2007 Principal Investigator, “Performance evaluation of solar energy conversion system under influence of uncertainties,” Thai Research Fund, Thailand. 2005 “Effects of PV grid-connected systems on a distribution system in urban area,” Department of Alternative Energy Development and Effciency, Ministry of Energy, Thailand. 2004 Principal Investigator, “Battery run-time enhancement using voltage scaling regulation,” KMUTT, Thailand. Professional Experience 2004-Present CES Solar Cells Testing Center, King Mongkut’s University of Technology Thonburi, Bangkok Thailand 2013 Deputy Director, Academic Affairs 2006 Manager, Research and Development 2003 U.S. Navy { Developed a model of multifunctional programmable modules in a power node control center for Navy shipboard electrical power distribution systems Academic Experience 2003 - Present Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi, Bangkok Thailand 2006 Assistant Professor 2003 Lecturer { EEE674 Modeling Analysis and Simulation Techniques for Power Electronic Systems { EEE635 Power System Stability { EEE636 Power Distribution Systems { EEE600 System Analysis Techniques { EEE530 Computer Analysis in Power Systems { EEE442 Computer Methods in Power Systems Analysis { EEE372 Power Electronics { EEE212 Electrical Engineering Mathematics { EEE118 Electromechanical Energy Conversion { EEE111 Electric Circuit Analysis { EEE105 Electric Circuits { EIE610 Computer Analysis of Power Systems 1999 - 2003 Department of Electrical and Computer Engineering, Drexel University, Philadelphia, Pennsylvania, USA 2003 Lecturer { ECE-P352 Electric Motor Control Principles Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th 2001 Research Assistant { Systems on the Chip (PSOC) project { NAVY shipboard power distribution systems { Consulting undergraduate projects 1999 Teaching Assistant { ECE-S521 Probability & Random Variables { ECE-S522 Random Process & Spec Analysis { ECE-P672 Power Electronic Experiments { ECE-E434 Digital Electronics { ECE-L304 ECE Laboratory IV Journal Publications { E. Mujjalinvimut, P. Navaratana Na Ayudhya, and A. Sangswang, “An Improved Asymmetrical Half-Bridge Converter with Self-Driven Synchronous Rectifier for Dimmable LED Lighting,” IEEE Transactions on Industrial Electronics, vol. 63, no. 2, February 2016, pp. 913-925. { S. Yachiangkam, A. Sangswang, S. Naetiladdanon, C. Koompai, and S. Chudjuarjeen, “Steady-State Analysis of ZVS and NON-ZVS Full-Bridge Inverter with Asymmetrical Control for Induction Heating Applications,” Journal of Power Electronics, vol.15, no.2, March 2015, pp.544-554. { S.Kitcharoenwat, M. Konghirun and A. Sangswang, “A Novel Single-Phase AC-AC Converter for Circuit Breaker Testing Application,” IEEE Transactions on Industry Applications, vol. 50, no. 6, December 2014, pp. 3867-3875. { S.Kitcharoenwat, M. Konghirun and A. Sangswang, “A Novel Single Phase AC-AC Converter with Power Factor Control,” ECTI Transactions on Electrical Eng., Electronics, and Communications, vol.11, no.1, Feb 2013, pp. 17-23. { P. Navaratana Na Ayudhya, S. Naetiladdanon and A. Sangswang, “Multi-rating Electronic Ballast for Fluorescent Lamps based on Operating Frequency Determination,” IEEJ Transactions on Industry Applications, Vol. 131, No.10, October 2011. { S. Chudjuarjeen, A. Sangswang and C. Koompai, “An Improved LLC Resonant Inverter for Induction Heating Applications with Asymmetrical Control,” IEEE Transactions on Industrial Electronics, vol. 58, no. 7, July 2011, pp. 2915-2925. { N. Patcharaprakiti, K. Kirtikara, D. Chenvidhya, V. Monyakul, A. Sangswang, K. Tunlasakun, B. Muenpinij and J. Thongpron, “Modeling of Inverter of Photovoltaic System in Transient Condition Using Nonlinear System Identification,” Australian Journal of Basic and Applied Sciences, 5(4): 26-36, 2011. { N. Patcharaprakiti, K. Kirtikara, V. Monyakul, D. Chenvidhya, J. Thongpron, A. Sangswang and B. Muenpinij, “Modeling of single phase inverter of photovoltaic system using Hammerstein-Wiener nonlinear system identification,” Current Applied Physics, vol. 10, issue 3, supplement 1, May 2010, pp. S532-S536. { P. Sritakaew, A. Sangswang and K. Kirtikara, “On the Reliability Improvement of Distribution Systems Using PV Grid-Connected Systems,” ECTI Transactions on Electrical Eng., Electronics, and Communications, vol.5, no.1, Feb 2007, pp.79-84. { A. Sangswang and C.O. Nwankpa, “Noise Characteristics of DC-DC Boost Converters: Experimental Validation and Performance Evaluation,” IEEE Transactions on Industrial Electronics, vol. 51, No. 6, December 2004, pp. 1297-1304. { A. Sangswang and C.O. Nwankpa, “Effects of Switching Time Uncertainties on Pulse-Width Modulated Power Converters: Modeling and Analysis,” IEEE Transactions on Circuits and System I, vol. 50, No. 8, August 2003, pp. 1006-1012. Conference Presentations { A. Kigombola, D. Chenvidhya, and A. Sangswang, “Analysis of Grid Code Requirements for Integration of Wind Power Generation Systems in Transmission System in Tanzania,” in Proc. 8th International Conference on Science, Technology and Innovation for Sustainable Well-Being (STISWB VIII), Yangon, Myanmar, June 2016. (Best paper award) Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th { A. Wajama, D. Chenvidhya, and A. Sangswang, “Impact of Reactive Power Compensation on Voltage Support and Loss Reduction in Distribution System with High PV Penetration,” in Proc. 8th International Conference on Science, Technology and Innovation for Sustainable Well-Being (STISWB VIII), Yangon, Myanmar, June 2016. { H. Ngamrungsiri, S. Naetiladdanon, and A. Sangswang, “A Variable-Frequency Asymmetrical VoltageCancellation Control for Inductive Power Transfer with Series-Series Compensation,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { N. Hatchavanich, A. Sangswang, and S. Naetiladdanon, “Operation Region of LCL Resonant Inverter for Inductive Power Transfer Application,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { P. Kranprakon, A. Sangswang, and S. Naetiladdanon, “Asymmetrical Duty Cycle Control with Phase Limit of LLC Resonant Inverter for an Induction Furnace,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { S. Nutwong, A. Sangswang, and S. Naetiladdanon, “Output Voltage Control of the SP Topology IPT system using a Primary Side Controller,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { S. Yachiangkam, A. Sangswang, and S. Naetiladdanon, “A Comparison of Asymmetrical Control Strategies for Domestic Induction Cooking Applications with Low-Quality Factor Loads,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { S. Chudjuarjeen, J. Jittakott, W. Pechpunsri, V. Hathairatsiri, and A. Sangswang, “An Induction Grilling Hot Plate with ClassD Series Resonant Inverter,” in Proc. 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications, and Information Technology (ECTI 2016), Chiangmai, Thailand, June 2016 { R. Kaeonin, S. Naetiladdanon, and A. Sangswang, “Photovoltaic Panel Simulator,” in Proc. International Conference on Engineering Innovation (ICEI 2016), Bangkok, Thailand, June 2016. { S. Nutwong, A. Sangswang, and S. Naetiladdanon, “Design of the wireless power transfer system with uncompensated secondary to increase power transfer capability,” in Proc. 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016), Glasgow, Scotland, UK, April 2016 { C. Limsakul, R. Songprakorp, and A. Sangswang, “Impact of Photovoltaic Grid-Connected Power Fluctuation on System Frequency Deviation in Contiguous Power Systems,” in Proc. 41th Annual Conference of the IEEE Industrial Electronics Society (IECON 2015), Yokohama, Japan, November 2015. { J. Jittakort, A. Sangswang, S. Naetiladdanon, S. Chudjuarjeen, and C. Koompai, “LCCL Series Resonant Inverter for Ultrasonic Dispersion System with Resonant Frequency Tracking and Asymmetrical Votlage Cancellation Control,” in Proc. 41th Annual Conference of the IEEE Industrial Electronics Society (IECON 2015), Yokohama, Japan, November 2015. { B. Lutrakulwattana, M. Konghirun, and A. Sangswang, “Harmonic Resonance Assessment of 1x25kV, 50Hz Traction Power Supply System for Suvarnabhumi Airport Rail Link,” in Proc. 18th International Conference on Electrical Machines and Systems (ICEMS), Pattaya, Thailand, October 2015. { S. Kleangsin, A. Sangswang, S. Naetiladdanon, and C. Koompai, “A Power Control of Three-Phase Converter with AVFSVC Control for High-Power Induction Heating Applications,” in Proc. 40th Annual Conference of the IEEE Industrial Electronics Society (IECON 2014), Dallas, Texas, USA, November 2014. { E. Mujjalinvimut, P. Navaratana Na Ayudhya, and A. Sangswang, “An Improved Self-Driven Synchronous Rectifier for High Efficiency Dimmable LED Lighting Applications,” in Proc. 40th Annual Conference of the IEEE Industrial Electronics Society (IECON 2014), Dallas, Texas, USA, November 2014. { E. Mujjalinvimut, P. Navaratana Na Ayudhya, and A. Sangswang, “Asymmetrical Half-Bridge Converter with Adaptive Feedback Compensation for Dimmable LED Lighting Applications,” in Proc. 40th Annual Conference of the IEEE Industrial Electronics Society (IECON 2014), Dallas, Texas, USA, November 2014. Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th { P. Parinya, A. Sangswang, K. Kirtikara, D. Chenvidhya, S. Naetiladdanon, and C. Limsakul, “A Study of Impact of Wind Power to Power System Stability Using Stochastic Stability Index,” in Proc. the 2014 IEEE International Symposium on Circuits and Systems (ISCAS 2014), Melbourne, Australia, June 2014. { C. Limsakul, R. Songprakorp, A. Sangswang, and S. Naetiladdanon, “Impact of Photovoltaic Rooftop Scale Penetration Increasing on Low Voltage Power Systems,” in Proc. 2014 IEEE Innovative Smart Grid Technologies Conference - Asia (ISGT ASIA 2014), Kuala Lumpur, Malaysia, May 2014. { P. Parinya, A. Sangswang, K. Kirtikara, D. Chenvidhya, S. Naetiladdanon, and C. Limsakul,“A Study of Effects of Stochastic Wind Power and Load to Power System Stability Using Stochastic Stability Analysis Method,” in Proc. 2014 KKU International Conference (KKU-IENC 2014), Khonkaen, Thailand, March 2014. { A. Sangswang, S. Naetiladdanon and C. Koompai, “Recent Developments and Applications of Resonant Inverters,” (invited paper) in Proc. 36th Thailand’s Electrical Engineering Conference (EECON-36), Kanchanaburi, Thailand, December 2013 { S. Kleangsin, A. Sangswang, S. Naetiladdanon and C. Koompai, “Constant Output Power Control of Three-Phase Inverter for an Induction Heating System,” in Proc. Electrical Engineering, Computer, Telecommunications, and Information Technology International Conference (ECTI 2013), Krabi, Thailand, May 2013 { S. Yachiangkam, J. Jittakort, A. Sangswang, S. Naetiladdanon, C. Koompai and S. Chudjuarjeen, “Automatic Variable Frequency Asymmetrical Control of Half-Bridge Series Resonant Inverters for Low-Cost Domestic Induction Cooking,” in Proc. the 10th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2013), Kitakyushu, Japan, April 2013 { S. Chudjuarjeen, V. Hathairatsiri, W. Pechpunsri, A. Sangswang and C. Koompai, “Quasi-Resonant Converter for Induction Heating in High Temperature Applications,” in Proc. the 10th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2013), Kitakyushu, Japan, April 2013 { J. Jittakort, S. Yachiangkam, A. Sangswang, S. Naetiladdanon, C. Koompai and S. Chudjuarjeen, “A Combined PDM and AVC Control for Induction Cooking Appliances,” in Proc. the 10th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2013), Kitakyushu, Japan, April 2013 { S.Kitcharoenwat, M. Konghirun and A. Sangswang, “A Digital Implementation of Novel Single Phase AC-AC Converter with Power Factor Control,” in Proc. 15th International Conference on Electrical Machines and Systems (ICEMS 2012), Sapporo, Japan, October 2012 { S.Kitcharoenwat, M. Konghirun and A. Sangswang, “A Controlled Current AC-AC Converter for Circuit Breaker Testing,” in Proc. 15th International Conference on Electrical Machines and Systems (ICEMS 2012), Sapporo, Japan, October 2012 { S. Chudjuarjeen, S. Jayasuriya, S. Yachiangkam, J.C. Jimenez, C.O. Nwankpa, K. Miu and A. Sangswang, “Analysis of Measurement Delay Errors in a DC-DC Buck-Boost Converter using Stochastic Differential Equations,” in Proc. 37th Annual Conference of the IEEE Industrial Electronics Society (IECON 2011), Melbourne, Australia, November 2011 { J. Jittakort, S. Chudjuarjeen, A. Sangswang, S. Naetiladdanon and C. Koompai, “A Dual Output Series Resonant Inverter with Improved Asymmetrical Voltage-Cancellation Control for Induction Cooking Appliance,” in Proc. 37th Annual Conference of the IEEE Industrial Electronics Society (IECON 2011), Melbourne, Australia, November 2011 { S. Chudjuarjeen, J.C. Jimenez, S. Jayasuriya, C.O. Nwankpa, K. Miu and A. Sangswang, “DC-DC Boost Converter with Network Model for Photovoltaic System,” in Proc. 2011 IEEE Energy Conversion Congress and Exposition (ECCE 2011), Phoenix, Arizona, USA, September 2011 { S. Yachiangkam, A. Sangswang, S. Naetiladdanon, C. Koompai, and S. Chudjuarjeen, “Resonant Inverter with a Variable-Frequency Asymmetrical Voltage-Cancellation Control for Low Q-Factor Loads in Induction Cooking,” in Proc. the 14th European Conference on Power Electronics and Applications (EPE 2011), Birmingham, UK, September 2011 { J. Jittakort, A. Sangswang, S. Naetiladdanon, C. Koompai and S. Chudjuarjeen, “A Soft Switching Class D Current Source Inverter for Induction Heating with Non-Ferromagnetic Load,” in Proc. the 14th European Conference on Power Electronics and Applications (EPE 2011), Birmingham, UK, September 2011 { S. Chudjuarjeen, J.C. Jimenez, S. Jayasuriya, C.O. Nwankpa, K. Miu and A. Sangswang, “Simulation of a DC-DC Boost Converter with Measurement Delays,” in Proc. IEEE Electric Ship Technologies Symposium (ESTS 2011), April 10-13, 2011, Alexandria, Virginia, USA Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th { W. Kongnun, A. Sangswang and S. Chotigo, “A Positive Reference PWM Strategy Based on MultiSwitching DC Voltage Sources Converter for Insulation Testing,” in Proc. 36th Annual Conference of the IEEE Industrial Electronics Society (IECON 2010), Glendale, Arizona, USA, November 2010 { P. Chakkuchan, S. Chudjuarjeen, A. Sangswang and C. Koompai, “An Automatic Half-Bridge Resonant Inverter with Three-Phase Three-Switch Buck-Type rectifier,” in Proc. 2010 IEEE Energy Conversion Congress and Exposition (ECCE 2010), Atlanta, Georgia, USA, September 2010 { V. Hathairatsiri, S. Chudjuarjeen, P. Chakkuchan, A. Sangswang and C. Koompai, “A Half-Bridge Resonant Inverter with Three-Phase PWM rectifier for Induction Heating,” in Proc. Electrical Engineering, Computer, Telecommunications, and Information Technology International Conference (ECTI 2010), Chiangmai, Thailand, May 2010 { B. Muenpinij, D. Chenvidhya, S. Naetiladdanon and A. Sangswang, “An Analysis on Energy Dissipation of a PV Grid-Connected Inverter during Abnormal Utility Voltage Condition,” in Proc. 19th International Photovoltaic Science and Engineering Conference (PVSEC19), Jeju, Korea, November 2009 { A. Polsripim, S. Chudjuarjeen, A. Sangswang, P. Navaratana Na Ayudhya and C. Koompai, “A Soft Switching Class D Current Source Inverter for Induction Heating with Ferromagnetic Load,” in Proc. the 8th International Conference on Power Electronics and Drive Systems (PEDS 2009), Taipei, Taiwan R.O.C., November 2009 { P. Navaratana Na Ayudhya, S. Naetiladdanon and A. Sangswang, “Multi-rating Electronic Ballast for Fluorescent lamp using Phase-Locked Loop Control Scheme,” in Proc. the 8th International Conference on Power Electronics and Drive Systems (PEDS 2009), Taipei, Taiwan R.O.C., November 2009 { S. Lonphan, A. Sangswang and C. Koompai, “An Operation of Inverters to Increase Frequency for Induction Heating Applications,” in Proc. 32th Thailand’s Electrical Engineering Conference (EECON-32), Oct. 2009, Prachinburi, Thailand, (in Thai) { S. Wangchob, A. Sangswang and C. Koompai, “A Parallel Operation of Single Phase Inverter Modules to Increase Power for Induction Heating Applications,” in Proc. 32th Thailand’s Electrical Engineering Conference (EECON-32), Oct. 2009, Prachinburi, Thailand, (in Thai) { S. Chudjuarjeen, A. Sangswang, and C. Koompai, “An Improved LLC Resonant Inverter for Induction Heating with Asymmetrical Control,” in Proc. 2009 IEEE International Symposium on Industrial Electronics (ISIE 2009), Seoul, Korea July 2009 { W. Kongnun, A. Sangswang and S. Chotigo, “Design of a Cascaded H-Bridge Converter for Insulation Testing,” in Proc. 2009 IEEE International Symposium on Industrial Electronics (ISIE 2009), Seoul, Korea July 2009 { P. Navaratana Na Ayudhya, S. Naetiladdanon and A. Sangswang, “Automatic Fluorescent Lamp Detection for Electronic Ballasts Based on Operating Frequency and Phase Shift Compensation,” in Proc. 2009 IEEE International Symposium on Industrial Electronics (ISIE 2009), Seoul, Korea July 2009 { W. Kongnun, A. Sangswang and S. Chotigo, “A Cascaded H-Bridge Converter for a New Type of the VLF High Voltage Generator,” in Proc. the 9th International Conference on Properties and Applications of Dielectric Materials (ICPADM 2009), Harbin, China, July 2009 { S. Chudjuarjeen, A. Sangswang and C. Koompai, “LLC Resonant Inverter for Induction Heating with Asymmetrical Voltage-Cancellation Control,” in Proc. 2009 IEEE International Symposium on Circuits and Systems (ISCAS2009), Taipei, Taiwan, May 2009 { S. Lonphan, A. Sangswang and C. Koompai, “Single Phase Inverter Modules connection to increase Power capacity for Induction Heating Application,” in Proc. 7th PSU-Engineering Conference, Songkla, Thailand, May 2009 (in Thai) { P. Navaratana, S. Naetiladdanon and A. Sangswang, “Automatic Fluorescent Lamp Detection Technique for Electronic Ballasts,” in Proc. 2008 IEEE International Conference on Robotics and Biomimetics, Bangkok, Thailand, February 2009 { B. Muenpinij, C. Limsakul, D. Chenvidhya and A. Sangswang, “A Simple Modification of DC Power Supply for PV Grid-Connected Inverter Testing,” in Proc. 18th International Photovoltaic Science and Engineering Conference (PVSEC18), January 2009, Kolkata, India { S. Phuttapatimok, A. Sangswang and K. Kirtikara, “Effects on Short Circuit Level of PV GridConnected Systems under Unintentional Islanding,” in Proc. 2008 IEEE International Conference on Sustainable Energy Technologies (ICSET 2008), November 2008, Singapore { S. Phuttapatimok, A. Sangswang, M. Seapan, D. Chenvidhya and K. Kirtikara, “Evaluation of Fault Contribution in the Presence of PV Grid-Connected Systems,” in Proc. 33rd IEEE Photovoltaics Specialists Conference (PVSC 2008), May 2008, San Diego, USA Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th { C. Limsakul, A. Sangswang, D. Chenvidhya, M. Seapan, B. Meunpinij, N. Chayavanich and C. Jivacate, “An Impedance Model of a PV Grid-Connected System,” in Proc. 33rd IEEE Photovoltaics Specialists Conference (PVSC 2008), May 2008, San Diego, USA { C. Limsakul, A. Sangswang, D. Chenvidhya, M. Seapan, B. Meunpinij, N. Chayavanich and C. Jivacate, “An Impedance Model of a PV Grid-Connected System,” in Proc. 33rd IEEE Photovoltaics Specialists Conference (PVSC 2008), May 2008, San Diego, USA { S. Seesanga, W. Kongnun, A. Sangswang and S. Chotigo, “A New Type of the VLF High Voltage Generator,” in Proc. Electrical Engineering, Computer, Telecommunications, and Information Technology International Conference (ECTI 2008), May 2008, Krabi, Thailand { N. Ruangrotsin, D. Chenvidhya, K. Kirtikara, K. Wattanavichean, B. Muenpinij and A. Sangswang, “A Power Quality Study of A PV Grid-Connected System due to Load Conditions,” in Proc. 17th International Photovoltaic Science and Engineering Conference (PVSEC17), December 2007, Fukuoka, Japan { E. Pakpairote, D. Chenvidhya, T. Chayavanich, K. Kirtikara, A. Sangswang and N. Ruangrotsin, “Impedance Modeling of A PV Grid-Connected System,” in Proc. 17th International Photovoltaic Science and Engineering Conference (PVSEC17), December 2007, Fukuoka, Japan { S. Kitcharoenwat, P. Boonpramuk and A. Sangswang, “A Digital-Controlled Current Source for Circuit Breaker Testing,” in Proc. 30th Thailand’s Electrical Engineering Conference (EECON-30) Oct. 2007, Kanchanaburi, Thailand, (in Thai) { P. Sritakaew and A. Sangswang, “A Graph Theory Approach in Reliability Improvement of a Radial Distribution System with PV Grid-Connected Systems,” in Proc. Electrical Engineering, Computer, Telecommunications, and Information Technology International Conference (ECTI 2007), May 2007, Chiangrai, Thailand { P. Sritakaew and A. Sangswang, “Reliability Improvement of a Distribution System Using PV Grid Connected System with Tie Switch,” in Proc. 2006 IEEE Asia Pacific Conference on Circuits and Systems (IEEE APCCAS 2006), Dec 2006, Singapore, pp. 1389-1392 { N. Srisaen and A. Sangswang, “Effects of PV Grid-Connected System Location on a Distribution System,” in Proc. 2006 IEEE Asia Pacific Conference on Circuits and Systems (IEEE APCCAS 2006), Dec 2006, Singapore, pp. 853-856 Department of Electrical Engineering, King Mongkut’s University of Technology Thonburi 126 Prachautid Road, Bangmod, Bangkok 10140, Thailand T +66 (2) 470 9041 • B anawach.san@kmutt.ac.th