2026 (3)
Chhlonh, Chhith, Marie-Cécile Alvarez-Herault, Vannak Vai, and Bertrand Raison. 2026. "Low-Voltage Planning for Rural Electrification in Developing Countries: A Comparison of LVAC and LVDC Microgrids—A Case Study in Cambodia" Electricity 7, no. 2: 32. https://doi.org/10.3390/electricity7020032
S. Srey, V. Vai, K. Khon and P. Sreynattha, "Coordinated Volt-Var Optimization for a Photovoltaic-Integrated IEEE 33-Bus Distribution System Using Genetic Algorithm and NSGA-II," 2026 IEEE 6th International Conference in Power Engineering Applications (ICPEA), Langkawi, Malaysia, 2026, pp. 99-104, doi:10.1109/ICPEA69349.2026.11533718.
P. Sreynattha, K. Khon, V. Vai and S. Srey, "Optimal Sizing and Placement of BESS to Enhance Frequency Stability with High Penetration of IBRs," 2026 IEEE 6th International Conference in Power Engineering Applications (ICPEA), Langkawi, Malaysia, 2026, pp. 1-6, doi: 10.1109/ICPEA69349.2026.11533733.
2025 (1)
D. Sorn, R. Caire, V. Vai, J. Buire and A. Labonne, "Optimization-Based Flexible Region Construction to Enhance TSO–DSO Coordination," 2025 Asia Meeting on Environment and Electrical Engineering (EEE-AM), Hanoi, Vietnam, 2025, pp. 1-6, doi: 10.1109/EEE-AM66675.2025.11473739.
2024 (2)
Oudaya Eth, Vannak Vai, Long Bun, “Optimal Topology with Improved Phase Balancing and PV Hosting Capacity in a Low Voltage Distribution System,” International Journal of Electrical and Electronic Engineering & Telecommunications, Vol. 13, No. 5, pp. 343-353, 2024. http://doi:10.18178/ijeetc.13.5.343-353
Sopheak Kay, Vannak Vai, Samphors Eng, “Optimal Feeder Routing and Phase Balancing for an Unbalanced Distribution System: A Case Study in Cambodia,” International Journal of Applied Power Engineering, Vol. 13, No. 01, pp. 138-151, 2024. http://doi.org/10.11591/ijape.v13.i1.pp138-151
2023 (7)
Dara Eam, Vannak Vai, Chhith Chhlonh, Samphors Eng, “Planning of an LVAC Distribution System with Centralized PV and Decentralized PV Integration for a Rural Village,” Energies, Vol. 16, No. 16, pp. 5995, 2023. https://doi.org/10.3390/en16165995
Kimsrornn Khon, Chhith Chhlonh, Vannak Vai, Marie-Cecile Alvarez-Herault, Bertrand Raison, Long Bun, “Comprehensive Low Voltage Microgrid Planning Methodology for Rural Electrification,” Sustainability, Vol. 15, No. 3, pp. 2841, 2023. https://doi.org/10.3390/su15032841
Vannak Vai, and Hideaki Ohgaki, “Techno-Economic Analysis of Rooftop PVs in Low Voltage Distribution Systems for Rural Electrification: A Case Study in Cambodia”, in Pro. 2023 IEEE PES APPEEC 2023, Dec. 6-9, Chiang Mai, Thailand. https://doi.org/10.1109/APPEEC57400.2023.10562028
Samphors Eng, Vannak Vai, Sothea Oeun, Monychot Sary, Phanit So, Dara Eam, Sokleap Heang, Sievlong Suk, Chhith Chhlonh, Darong Sorn, Kimsrornn Khon, and Oudaya Eth, “Development of Distribution System Automation for Teaching and Research at ITC: Digital Tool and GUI in MATLAB and SCADA,” in Pro. 2023 IEEE PES APPEEC 2023, Dec. 6-9, Chiang Mai, Thailand. https://doi.org/10.1109/APPEEC57400.2023.10561917
Vannak Vai, Marie-Cécile Alvarez-Herault, and Bertrand Raison, “Python-Based Planning Tool for LVAC Rural Electrification: Cluster Phase Balancing and Radial Topology” in Proc. IEEE ISGT-Europe 2023, Oct. 23-26, Grenoble, France. https://doi.org/10.1109/ISGTEUROPE56780.2023.10407500
Chhith Chhlonh, Marie-Cécile Alvarez-Herault, Vannak Vai, and Bertrand Raison, “Designing AC Low-Voltage Topologies for a Non-Electrified Area - A Case Study in Cambodia,” in Proc. IEEE ISGT-Europe 2023, Oct. 23-26, Grenoble, France. https://doi.org/10.1109/ISGTEUROPE56780.2023.10408246
Chhith Chhlonh, Marie-Cécile Alvarez-Herault, Vannak Vai, and Bertrand Raison, “Low-Voltage Microgrid Planning Strategies for an Isolated Village Case Study in Cambodia,” in Proc. IECON 2023 – 49th Annual Conference of the IEEE Industrial Electronics Society, Oct. 16-19, Singapore, Singapore. https://doi.org/10.1109/IECON51785.2023.10312050
2022 (12)
Vannak Vai and Samphors Eng, "Study of Grid-Connected PV System for a Low Voltage Distribution System: A Case Study of Cambodia," Energies, Vol. 15, No. 14, pp.5003, July 2022 https://doi.org/10.3390/en15145003
Rémy Rigo-Mariani and Vannak Vai, "An Iterative Linear DistFLow for Dynamic Optimization in Distributed Generation Planning Studies," International Journal of Electrical Power & Energy Systems, Vol. 138, June 2022, 107936, https://doi.org/10.1016/j.ijepes.2021.107936
Dara Eam, Vannak Vai, Samphors Eng, and Lyhour You, "Optimizing Phase Allocation Arrangement for a Rural LVAC Distribution System: A Case Study in Cambodia," 2022 4th International Conference on Electrical, Control and Instrumentation Engineering (ICECIE), Kuala Lumpur, Malaysia, 2022. https://doi.org/10.1109/ICECIE55199.2022.10000356
Oudaya Eth, Vannak Vai, Long Bun, Samphors Eng and Kimsornn Khon, "Optimal Radial Topology with Phase Balancing in LV Distribution System Considering Energy Loss Reduction: A Case Study in Cambodia," 2022 4th International Conference on Electrical, Control and Instrumentation Engineering (ICECIE), Kuala Lumpur, Malaysia, 2022. https://doi.org/10.1109/ICECIE55199.2022.10000324
Sokleap Heang, Vannak Vai, Samphors Eng and Dara Eam, "Integrating On-Load-Tap Changer in Service Restoration for a Distribution Network with Multiple PV Systems," 2022 4th International Conference on Electrical, Control and Instrumentation Engineering (ICECIE), Kuala Lumpur, Malaysia, 2022. https://doi.org/10.1109/ICECIE55199.2022.10000352
Chhith Chhlonh, Marie-Cécile Alvarez-Herault, Vannak Vai, and Bertrand Raison, “Comparative Planning of LVAC Microgrid Topologies with PV-Storage in Rural Areas-Case Studies in Cambodia,” in Proc. IEEE ISGT-Europe 2022, Oct. 10-12, Novi Sad, Serbia. https://doi.org/10.1109/ISGT-Europe54678.2022.9960511
Sopheak Kay, Vannak Vai, Samphors Eng, and Tivorn Him, "Planning of Optimal Phase Balancing for an Unbalanced Distribution System: A Case Study of Cambodia," 2022 11th International Conference on Power Science and Engineering (ICPSE), Eskisehir, Turkey, 2022. https://doi.org/10.1109/ICPSE56329.2022.9935454
Lyhour You, Vannak Vai, Dara Eam, Piseth Hem, Sokleap Heang, Samphors Eng, and Chhith Chhlonh, “Optimal Topology of LVAC in a Rural Village Using Water Cycle Algorithm,” in Proc. IEEE-POWERCON 2022, Sep. 12-14, Kuala Lumpur, Malaysia, 2022. https://doi.org/10.1109/POWERCON53406.2022.9929693
Vannak Vai, Samphors, and Chhith Chhlonh, "Development of LVAC Distribution Network Topologies with PV System Integration for an Urban Area: A Case Study of Cambodia," The 2022 International Conference on Electrical, Computer, and Energy Technologies (ICECET), July 20-22, 2022, Prague, Czech Republic. https://doi.org/10.1109/ICECET55527.2022.9872693
Dara Eam, Vannak Vai, Lyhour You, Piseth Hem, Sokleap Heang, Samphors Eng, “Phase Balancing Improvement in Unbalanced MV Distribution Systems,” The 2022 19th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), May 24-27, 2022, Prachuap Khiri Khan, Thailand. https://doi.org/10.1109/ECTI-CON54298.2022.9795560
Sokleap Heang, Vannak Vai, Piseth Hem, Dara Eam, Lyhour You, Samphors Eng, “Optimal Network Reconfiguration with DGs Placement and Sizing in a Distribution System Using Hybrid SOE and GA,” The 2022 19th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), May 24-27, 2022, Prachuap Khiri Khan, Thailand. https://doi.org/10.1109/ECTI-CON54298.2022.9795530
Piseth Hem, Sokleap Heang, Dara Eam, Lyhour You, Veasna Torn, Samphors Eng, Chhith Chhlonh, and Vannak Vai, “Service Restoration in Distribution Systems with a Load Tap Changer,” The 2022 10th International Electrical Engineering Congress (iEECON), March 9-10, 2022, Khon Kaen, Thailand. https://doi.org/10.1109/iEECON53204.2022.9741590
2021 (11)
Vannak Vai, "Design of AC Microgrid Topology with Photovoltaic Uncertainties in a Rural Village," Makara Journal of Technology, Vol. 25, No. 1. pp.15-21, April 2021 https://doi.org/10.7454/mst.v25i1.3759
Vannak Vai, Sievlong Suk, Rathana Lorm, Chhith Chhlonh, Samphors Eng, and Long Bun, "Optimal Reconfiguration in Distribution Systems with Distributed Generations Based on Modified Sequential Switch Opening and Exchange," Applied Sciences, Vol. 11, No. 5. pp.2146, February 2021 https://doi.org/10.3390/app11052146
Vannak Vai, Samphors Eng, Chhith Chhlonh, and Hideaki Ohgaki, “Economic Analysis of a Grid-Connected Rooftop PV System for a Factory in Phnom Penh,” AUN/SEED-Net Joint Regional Conferences in Transportation, Energy and Mechanical Manufacturing Engineering (RCTEMME), December 10-12, 2021, Hanoi, Vietnam. https://doi.org/10.1007/978-981-19-1968-8_99
Kimsrornn Khon, Vannak Vai, Marie-Cecile. Alvarez-Herault, Long Bun, and Bertrand Raison, “Planning of Low Voltage AC/DC Microgrid for Un-electrified Areas,” The 26th International Conference on Electricity Distribution (CIRED), September 20-23, 2021, Geneva, Switzerland. https://doi.org/10.1049/icp.2021.1518
Vannak Vai, “A Study of Low Voltage Distribution Network Topologies under Load Profiles Uncertainty,” International Conference on Mastering Energy Supply for Isolated Areas (MESFiA), August 31- September 01, 2021, Thailand
Kanika Yon, Marie-Cecile Alvarez-Herault, Bertrand Raison, Kimsrornn Khon, Vannak Vai, and Long Bun, “Microgrids Planning for Rural Electrification,” The 14th IEEE Madrid PowerTech, June 28- July 02, 2021, Madrid, Spain. https://doi.org/10.1109/PowerTech46648.2021.9494966
Vannak Vai, Soklen Sim, Sievlong Suk, Rathana Lorm, Samphors Eng, Chhith Chhlonh, and Long Bun, “Optimal Design of LVAC Distribution System Topology for a Rural Village,” The 2021 9th International Electrical Engineering Congress (iEECON), March 10-12, 2021, Pattaya, Thailand. https://doi.org/10.1109/iEECON51072.2021.9440289
Sievlong Suk, Vannak Vai, Rathana Lorm, Chhith Chhlonh, Samphors Eng, and Long Bun, “Modifying Switch Opening and Exchange Method for Distribution Network Reconfiguration with Distributed Generations,” The 2021 9th International Electrical Engineering Congress (iEECON), March 10-12, 2021, Pattaya, Thailand. https://doi.org/10.1109/iEECON51072.2021.9440343
Rathana Lorm, Samphors Eng, Sievlong Suk, Chhith Chhlonh, Long Bun, and Vannak Vai, “Service Restoration in Distribution System Using Modified Sequential Opening Branches,” The 2021 9th International Electrical Engineering Congress (iEECON), March 10-12, 2021, Pattaya, Thailand. https://doi.org/10.1109/iEECON51072.2021.9440266
Sievlong Suk, Vannak Vai, Rathana Lorm, Chhith Chhlonh, Samphors Eng, and Long Bun, “Network Reconfiguration in Distribution Systems Based on Modified Sequential Switch Opening Method,” The 2021 11th International Conference on Power, Energy, and Electrical Engineering (CPEEE), February 26-28, 2021, Shiga, Japan. https://doi.org/10.1109/CPEEE51686.2021.9383247
Rathana Lorm, Vannak Vai, Sievlong Suk, Chhith Chhlonh, Samphors Eng, and Long Bun, “Service Restoration in Distribution Systems under Different Load Levels,” The 2021 11th International Conference on Power, Energy, and Electrical Engineering (CPEEE), February 26-28, 2021, Shiga, Japan. https://doi.org/10.1109/CPEEE51686.2021.9383358
2020 (6)
Vannak Vai, Long Bun, and Hideaki Ohgaki, “Integrated Battery Energy Storage into an Optimal Low Voltage Distribution System with PV Production for an Urban Village,” International Journal on Advanced Science, Engineering and Information Technology, Vol. 10, No. 6, pp.2458-2464, December 2020 https://doi.org/10.18517/ijaseit.10.6.12993
Vannak Vai and Long Bun, “Study on the Impact of Integrated PV Uncertainties into an Optimal LVAC Topology in a Rural Village,” ASEAN Engineering Journal, Vol. 10, No. 1, pp.79-92, May 2020 https://doi.org/10.11113/aej.v10.16698
Vannak Vai, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Optimal Low-Voltage Distribution Topology with Integration of PV and Storage for Rural Electrification in Developing Countries: A Case Study of Cambodia,” Journal of Modern Power Systems and Clean Energy, Vol. 8, No. 3, pp.531-539, May 2020 https://doi.org/10.35833/MPCE.2019.000141
Vannak Vai, Long Bun, and Hideaki Ohgaki, “Integrated Battery Energy Storage into an Optimal Low Voltage Distribution System with PV Production for an Urban Village,” The 3rd International Conference on Smart City Innovation (ICSCI) and the 13th Regional Conference on Energy Engineering (RCEneE), October 27-28, 2020, Bali, Indonesia
Vannak Vai, Long Bun, Kimsrornn Khon, Marie-Cécile Alvarez-Hérault, and Bertrand Raison, “Integrated PV and Battery Energy Storage in LVAC for a Rural Village: A Case Study of Cambodia,” The 46th Annual Conference of the IEEE Industrial Electronics Society, IECON 2020, October 19-21, 2020, Singapore, Singapore. https://doi.org/10.1109/IECON43393.2020.9255336
Vannak Vai, Sopheaktra Chhorn, Roza Chhim, Sovichea Tep, and Long Bun, “Modeling and Simulation of PV Module for Estimating Energy Production under Uncertainties,” The 2020 8th International Electrical Engineering Congress (iEECON), March 4-6, 2020, Chiang Mai, Thailand. https://doi.org/10.1109/iEECON48109.2020.229578
2019 (3)
Vannak Vai, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Design of LVAC Distribution System with PV and Centralized Battery Energy Storage Integration: A Case Study of Cambodia,” ASEAN Engineering Journal, Vol. 9, No. 2, pp.1-16, December 2019 https://doi.org/10.11113/aej.v9.15509
Vannak Vai and Long Bun, “Study on the Impact of Integrated PV Uncertainties into an Optimal LVAC Topology in a Rural Village,” The 2019 International Conference on Renewable Energy Research & Challenge (ICoRER) & 12th Regional Conference on Energy Engineering (RCEneE), November 12-14, 2019, Banyuwangi, Indonesia
Vannak Vai, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Comparative Study of LVAC Distribution Topology for Urban Village in Phnom Penh,” The 2019 International Seminar on Intelligent Technology and Its Applications (ISITIA) & 12th Regional Conference on Electrical and Electronics Engineering (RCEEE), August 28-29, 2019, Surabaya, Indonesia
2018 (1)
Vannak Vai, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “LVAC Distribution System Design with PV and Centralized Battery Energy Storage Integration,” The 10th International Conference on Robotics, Vision, Signal Processing and Power Applications (ROVISP) & 11th Regional Conference on Electrical and Electronics Engineering (RCEEE), August 14-15, 2018, Penang, Malaysia
2017 (4)
Vannak Vai, Egor Gladkikh, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Planning of Low-Voltage Distribution Systems with Uncertainty on Load Demand in Urban Areas,” The 17th IEEE International Conference on Environment and Electrical Engineering and the 1st IEEE Industrial and Commercial Power Systems Europe (EEEIC/I&CPS Europe), June 6-9, 2017, Milan, Italy. https://doi.org/10.1109/EEEIC.2017.7977741
Vannak Vai, Egor Gladkikh, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Study of Low-Voltage Distribution System with Integration of PV-Battery Energy Storage for Urban Area in Developing Country,” The 17th IEEE International Conference on Environment and Electrical Engineering and the 1st IEEE Industrial and Commercial Power Systems Europe (EEEIC/I&CPS Europe), June 6-9, 2017, Milan, Italy. https://doi.org/10.1109/EEEIC.2017.7977794
Vannak Vai, Egor Gladkikh, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Low-Voltage Distribution System Planning under Load Demand Uncertainty: Growth Rate with Connection of New Loads,” The 2017 International Electrical Engineering Congress (iEECON), March 8-10, 2017, Pattaya, Thailand. https://doi.org/10.1109/IEECON.2017.8075739
Vannak Vai, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Study of Low-Voltage Distribution System with Decentralized PV-BES and Centralized BES for Rural Village in Developing Country,” The 2017 International Electrical Engineering Congress (iEECON), March 8-10, 2017, Pattaya, Thailand. https://doi.org/10.1109/IEECON.2017.8075749
2016 (1)
Vannak Vai, Egor Gladkikh, Marie-Cécile Alvarez-Hérault, Bertrand Raison, and Long Bun, “Planning of Low Voltage Distribution Systems with Uncertainty on Load Demand,” The 4th Regional Conference on Energy Engineering (RCEneE), November 24-25, 2016, Phnom Penh, Cambodia
2014 (1)
Vannak Vai and David Frey, “Study of EMC Impact of Power Electronic Converters in Industrial Networks in the frequency range of 2kHz-150kHz,” The 6th Regional Conference on Electrical Engineering (RCEE), March 4-5, 2014, Kuala Lumpur, Malaysia