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- Yasuhiko Miguchi, Hadi Setiadi, Yoshiki Nasu, Hidemine Obara, Atsuo Kawamura, “Control Scheme for Lagging Power factor Operation of Single-Phase Grid-Connected Inverter Using an Unfolding Circuit”, IEEE Open Journal of Power Electronics, Vol.5, pp.143-161, 2024, DOI: 10.1109/OJPEL.2024.3351147
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- Y. Nasu, Y. Miguchi, H. Obara, A. Kawamura, “High efficiency Three-Phase Inverter for Motor Drive using HEECS Chopper”, International Conference on Advanced Motion Control, AMC2024, Kyoto, Japan, February-March 2024
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- "味口泰彦、Pham Van Lomg、小原秀嶺、河村篤男、”
超高効率単相系統連系インバータ（HEECS）の遅れ力率での運転:改善その２“、電気学会産業応用部門大会4-053、名古屋、8月2023年
- "味口泰彦、Pham Van Lomg、小原秀嶺、河村篤男、”
超高効率単相系統連系インバータ（HEECS）の遅れ力率での運転:改善その3“、電気学会半導体電力変換研究会、SPC-23-184、新潟（佐渡）、9月2023年
- 河村篤男、Pham Van Long、味口泰彦、小原秀嶺、”超高効率HEECSインバータの損失低減に関する新しい展開”、電気学会半導体電力変換研究会、SPC-24-122、長崎（五島）、3月9日2024年
- 河村篤男、Pham Van Long、味口泰彦、小原秀嶺、”HEECSインバータのインダクタの再製作による効率改善に実験報告“、電気学会全国大会4-050、徳島、3月16日2024年
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- Atsuo Kawamura, ”How to Accurately Measure the Loss of 99.9% class Efficiency Inverter”, ICMIE2023(International Conference on Measurement Instrumentation and Electronics), Keynote Speech, April 14-16, 2023, Hangzhou, China (on-line)
- Atsuo Kawamura, ”Future Trend of 99.9% class Efficiency DC-AC Power Conversion and its Applications”,ICPST2023(International Conference on Power Science and Technology), Keynote Speech, May 5-7, 2023, Kunming, China (on-line)
- Atsuo Kawamura, ”How can we achieve Inverters with an Efficiency level of 99.9%?”, Academic annual Conference of the Power Electronics Committee of CES (China Electrotechnical Society), Keynote Speech, May 13-15, 2023, Shanghai, China (on-line)
- Atsuo Kawamura, ”How far have inverters with an efficiency of 99.9% been able to go?”, ICPE2022-ECCE-Asia(International Conference on Power Electronics), Plenary Speech, May 22-25, 2023 (Jeju, Korea)
- Atsuo Kawamura, ” Survey of 99.9% Class Efficiency DC-AC Power Conversion and Its Future Applications”, PSEGC2023(Power System and Green Energy Conference), Keynote Speech, August 25-27, 2023 (Shanghai, China)
- Atsuo Kawamura, ” Recent Survey of 99.9% Class Efficiency DC-AC Power Conversion and Its Grid Applications”, ACFPE2023(Asian Conference On Frontiers Of Power And Energy), Keynote Speech, October 20-22, 2023, Chengdu, China (on-line)
- Atsuo Kawamura, ”99.9% Class Efficiency DC-AC Power Conversion and its Application to Grid Interconnection”, IEEE Energycon2024 (International Energy Conference), Keynote Speech, March 4-7, 2024, Doha, Qatar (on-line)
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