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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EE | 2009-11-27 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Hybrid Converter for Improving Light Load Efficiency Masaya Takahashi, Kimihiro Nishijima, Terukazu Sato, Takashi Nabeshima (Oita Univ), Koosuke Harada (Sojyo Univ)  EE2009-33 |
In order to improve efficiencies of stand-by mode，idling mode and sleep mode of the electronic equipment，an efficiency i... [more] | EE2009-33 pp.25-29 |
| EE | 2009-02-12 13:10 |
Overseas | Industrial Technology Research Institute | [Special Talk]
Switching Converters for Renewable Energy Control Koosuke Harada, Katsuaki Murata, Michihiko Nagao (Sojo Univ.) EE2008-69 |
[more] | EE2008-69 pp.37-41 |
| EE | 2008-11-20 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Partial-Resonant Tapped-Inductor Converter with an Auxiliary Switch Takafumi Inoue, Kimihiro Nishijima, Terukazu Sato, Takashi Nabeshima (Oita Univ.), Koosuke Harada (Sojo Univ.) EE2008-45 |
[more] | EE2008-45 pp.7-12 |
| EE | 2008-07-25 15:25 |
Hokkaido | Photovoltaic System using Switched-Mode DC/DC Converter driven by FM Michihiko Nagao, Koosuke Harada (Sojo Univ.) EE2008-32 |
A novel photovoltaic system is proposed in order to supply all the generated power to the load and the line independent ... [more] | EE2008-32 pp.119-123 |
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| EE, IEE-IEA | 2008-05-09 15:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Input impedance and Stability of Power Supply Architecture Cascaded Switching regulators Koji Hisanaga (NEC Infrontia), Michihiko Nagao, Koosuke Harada (Sojo Univ) EE2008-10 |
(To be available after the conference date) [more] | EE2008-10 pp.51-56 |
| EE | 2007-09-07 14:40 |
Tokyo | Design Method for Synchronous Rectification Circuit using Saturable Current Transformer Katsuhiko Nishimura (FJAC), Michihiko Nagao (Sojo Univ.), Kazuo Kobayashi (Shibaura Tech.), Koosuke Harada (Sojo Univ.) EE2007-31 |
We previously explained and analyzed the operations of the passive unidirectional synchronous rectification SRS that use... [more] | EE2007-31 pp.19-24 |
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| EE | 2007-07-20 15:40 |
Yamaguchi | Self Turn-On Loss of Synchronized Rectifier
-- In Case of Low Driving Impedance -- Katsuaki Murata, Koosuke Harada (Sojo Univ.) EE2007-26 |
In a DC-DC converter of low output voltage and high output current, MOSFET is widely used as the low-side switch for hig... [more] | EE2007-26 pp.107-112 |
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| CPM, EE | 2007-03-02 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Analysis of Output Voltage Holding Time of DC-DC Converters for Fuel Cells with Double Layer Capacitors Eiji Sakai, Joji Yamaguchi, Koosuke Harada (Sojo University) EE2006-67 CPM2006-160 |
The hybrid battery system consists of Fuel cells and Double Layer Capacitors has been already proposed. There is some po... [more] | EE2006-67 CPM2006-160 pp.31-36 |
| EE | 2007-01-26 12:55 |
Nagasaki | Nagasaki prefectural art museum | Analysis of Synchronous Rectification Circuit using Saturable Current Transformer Katsuhiko Nishimura (Fujitsu access Ｌｔｄ), Michihiko Nagao (Souzyou Univ.), Kazuo Kobayashi (Shibaura Tech.), Koosuke Harada (Souzyou Univ.) EE2006-51 |
We previously proposed a method of the passive unidirectional synchronous rectification that uses a saturable current tr... [more] | EE2006-51 pp.81-87 |
| EE | 2007-01-26 14:35 |
Nagasaki | Nagasaki prefectural art museum | Basic Characteristics of A Novel Two-Phase Tapped Inductor Buck Converter Daisuke Ishida, Kimihiro Nishijima (Oita Univ), Koosuke Harada (Sojo Univ), Tadao Nakano, Takashi Nabeshima, Terukazu Sato (Oita Univ) EE2006-55 |
This paper presents detailed explanations of a novel two-phase coupled-inductor converter taking leakage inductances of ... [more] | EE2006-55 pp.107-114 |
| EE | 2007-01-26 15:00 |
Nagasaki | Nagasaki prefectural art museum | Basic Characteristics of a Novel Two-stage Converter with Two Bus Voltage Levels Kosuke Abe, Kimihiro Nishijima, Takafumi Inoue (Oita Univ), Koosuke Harada (Sojo Univ), Tadao Nakano, Takashi Nabeshima, Terukazu Sato (Oita Univ) EE2006-56 |
Proposed divided power supply system for server system is making use of two bus voltage levels such as 12V and 32V. In ... [more] | EE2006-56 pp.115-120 |
| EE | 2006-11-10 13:30 |
Tokyo | A Novel Two-Phase Tapped-Inductor Buck Converter Kimihiro Nishijima, Daisuke Ishida (Oita Univ), Koosuke Harada (Sojo Univ), Tadao Nakano, Takashi Nabeshima, Terukazu Sato (Oita Univ) EE2006-33 |
[more] | EE2006-33 pp.25-30 |
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| EE | 2006-11-10 14:00 |
Tokyo | A Novel Two-stage converter with two bus voltage levels Kosuke Abe, Kimihiro Nishijima (Oita Univ), Koosuke Harada (Sojo Univ), Tadao Nakano, Takashi Nabeshima, Terukazu Sato (Oita Univ) EE2006-34 |
[more] | EE2006-34 pp.31-36 |
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| EE | 2006-09-08 15:10 |
Tokyo | On Regulation of Resonant Buck-Boost One-Conveter Michihiko Nagao, Masaki Higashi, Koosuke Harada (Sojo Univ.) EE2006-25 |
High power factor and soft switching can be obtained by connecting a LC resonant circuit in the input stage of a buck-bo... [more] | EE2006-25 pp.13-17 |
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| EE | 2006-07-13 14:30 |
Tokyo | Relationship between Control method and Stability on the Intermediate Bus power supply sytem Koji Hisanaga (NEC), Michihiko Nagao, Koosuke Harada (Sojo Univ.) EE2006-13 |
[more] | EE2006-13 pp.19-27 |
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| EE | 2006-07-14 10:00 |
Tokyo | High Step-Down Multi-Phase Buck Converter with Novel Drive Circuit Kosuke Abe, Kimihiro Nishijima (Oita Univ.), Koosuke Harada (Sojo Univ.), Tadao Nakano, Takashi Nabeshima, Terukazu Sato (Oita Univ.) EE2006-18 |
[more] | EE2006-18 pp.53-58 |
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| EE, IEE-IEA | 2006-05-19 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Electronic ballast applying buck-boost constant-power inverter for fluorescent lamp Michihiko Nagao, Yuki Moriyama, Koosuke Harada (Sojo Univ.) EE2006-3 |
By applying discontinuous conduction mode in a buck-boost inverter, we can realize a electronic ballast with high power ... [more] | EE2006-3 pp.13-17 |
| EE | 2006-02-17 10:45 |
Kumamoto | On Photovoltaic System using Power DC/DC Converter Michihiko Nagao, Koosuke Harada (Sojo Univ.) |
A novel Photovoltaic system is proposed and the power flow is verified by the simulation using SCAT simulator. This syst... [more] | EE2005-73 pp.73-77 |
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| EE | 2006-02-17 13:25 |
Kumamoto | A maximum efficiency condition in the non-isolation buck-boost converter Yosuke Onaka, Koosuke Harada, Michihiko Nagao (Sojo Univ.), Kimihiro Nishijima (Oita Univ.) |
It is known that a power supply circuit based on new FPA has been developed in United States. The circuit used for PRM i... [more] | EE2005-77 pp.97-102 |
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| EE | 2005-11-11 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Invited Talk]
Switching Power Supply and Magnetics
-- Approaches from Circuit Technology -- Koosuke Harada (Sojo Univ.) |
[more] | EE2005-39 pp.1-6 |
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