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Dive into the research topics where Mutsuo Nakaoka is active.

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international telecommunications energy conference | 1991

ZCS-ZVS characteristics of high frequency inverter and DC-DC converter

Yoshihiro Hatanaka; Masahumi Yamagami; Mutsuo Nakaoka

The characteristics of a single-end high frequency inverter and a DC-DC power converter using a static induction transistor (SIT) with zero current switching (ZCS) and zero voltage switching (ZVS) modes are presented. The SIT high-frequency (HE) inverter has no transformer. The ZCS-ZVS technique is also applied to an HF-link DC-DC converter to overcome the voltage stress and switching loss. The numerical solution is adopted for transient and steady-state analysis. On the basis of the numerical analysis, the ZCS and ZCS-ZVS operation region is described in the normalized plane. The characteristics with load change and frequency regulation in the operation region are analyzed and compared with experimental results.<<ETX>>


Archive | 2005

CURRENT BIDIRECTIONAL REGULATOR

Tadayoshi Kachi; Serguei Moisseev; Mutsuo Nakaoka; Hiroki Oota; セルゲイ モイセエフ; 睦雄 中岡; 忠義 可知; 廣城 太田


Archive | 2003

INVERTER DEVICE, INDUCTION HEATING DEVICE, AND FLOOR HEATING SYSTEM

Tarek Ahmed; Yoshiaki Deguchi; Yoshihiro Hatanaka; Hiroyasu Kibune; Akihiko Konno; Yoichi Kurose; Mutsuo Nakaoka; アハメッド タレック; 睦雄 中岡; 明彦 今野; 佳明 出口; 弘康 木船; 義博 畑中; 洋一 黒瀬


대한전기학회 학술대회 논문집 | 2006

Single Phase Utility Frequency AC-High Frequency AC Matrix Converter Using One-Chip Reverse Blocking IGBTs based Bidirectional Switches

Hisayuki Sugimura; Soon-Kurl Kwon; Hyun Woo Lee; Mutsuo Nakaoka


電気学会研究会資料. SPC, 半導体電力変換研究会 | 2013

An Instantaneous Resonant Current Phasor-Controlled Soft-Switching High-Frequency Inverter : Experimental Evaluations of Power Regulation Methods and Higher Power Conversion Efficiency Characteristics

Tomokazu Mishima; Chikanori Takami; Mutsuo Nakaoka


電気学会研究会資料. VT, 自動車研究会 = The papers of Technical Meeting on Vehicle Technology, IEE Japan | 2012

Experimental Evaluations of Instantaneous Resonant Current Phasor-Controlled HF Resonant Inverter with Unit Control for Induction Heating Applications

Chikanori Takami; Tomokazu Mishima; Mutsuo Nakaoka


電気学会研究会資料. SPC, 半導体電力変換研究会 | 2012

A Fundamental Characteristics of a Novel Dual Resonant Type Secondary-side Phase-shifted Soft Switching PWM DC-DC Converter with HF-link

Kouhei Akamatsu; Tomokazu Mishima; Mutsuo Nakaoka


Archive | 2011

High frequency inverter for induction heating and control method of the same

Tomokazu Mishima; 智和 三島; Mutsuo Nakaoka; 睦雄 中岡


電気学会研究会資料. SPC, 半導体電力変換研究会 | 2010

Practical Evaluations of A ZCS-PWM Boost DC-DC Converter embedding Si-IGBT/SiC-SBD Co-Pack Devices

Tomokazu Mishima; Shuji Miyake; Mutsuo Nakaoka


電子情報通信学会技術研究報告. EE, 電子通信エネルギー技術 | 2009

Three-Level Phase-Shifted ZVS-PWM DC-DC Converter with High Frequency Link

Hisayuki Sugimura; Sang-Pil Mun; Soon-Kurl Kwon; Toshimitsu Doi; Keiki Morimoto; Mutsuo Nakaoka

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Tarek Ahmed

Jordan University of Science and Technology

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A. Eid

South Valley University

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