Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EE, IEE-HCA |
2011-05-27 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Surge Analysis of an Isolated DC-DC Converter in HVDC Power Distribution Systems Kazuhide Domoto, Tamotsu Ninomiya, Kiichi Nakao (Nagasaki Univ.), Simanjorang Rejeki, Hiroshi Yamaguchi, Hiromichi Ohashi (AIST), Seiya Abe (ICSEAD), Masato Kaga, Akiyoshi Fukui (NTT-F) EE2011-5 |
In an isolated DC-DC converter utilized in the HVDC power distribution system, a large surge voltage occurs across the s... [more] |
EE2011-5 pp.47-52 |
EE |
2011-01-28 10:40 |
Kumamoto |
|
Operating Characteristics of Semiconductor Circuit Breaker in 400V DC Power Supply System in case of a grounding fault Sihun Yang, Mariko Ogawa (Kyushu Univ.), Seiya Abe (ICSEAD), Masahito Shoyama (Kyushu Univ.), Tamotsu Ninomiya (Nagasaki Univ.), Akira Matsumoto, Akiyoshi Fukui (NTT-F) EE2010-33 |
[more] |
EE2010-33 pp.29-34 |
EE |
2010-01-21 16:40 |
Fukuoka |
|
Dynamic Response Improvement of Digitally Controlled DC-DC Converter with PZC Control Seiya Abe, Mariko Ogawa (Kyushu Univ.), Toshiyuki Zaitsu, Satoshi Obata (Texas Instruments Japan Ltd), Masahito Shoyama (Kyushu Univ.), Tamotsu Ninomiya (Nagasaki Univ.) EE2009-40 |
[more] |
EE2009-40 pp.25-30 |
EE |
2010-01-22 16:30 |
Fukuoka |
|
Malfunction Mechanism of Semiconductor Circuit Breaker in 400V DC Power Supply System Kosuke Nomura, Seiya Abe, Kentaro Fukushima, Masahito Shoyama (Kyushu Univ.), Akira Matsumoto, Akiyoshi Fukui, Mikio Yamasaki (NTT Facilities), Tamotsu Ninomiya (Nagasaki Univ.) EE2009-54 |
[more] |
EE2009-54 pp.105-109 |
EE |
2009-07-31 10:40 |
Shimane |
|
Reduction of Current Peak in a Current Mode Multi-Resonant Converter Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Tomofumi Yamashita, Takeshi Iwata, Tsuyosi Ueno (Ricoh) EE2009-13 |
The purpose of this paper is to present a reduction method of the resonant current peak in a current-mode resonant conve... [more] |
EE2009-13 pp.35-39 |
EE |
2009-02-12 10:25 |
Overseas |
Industrial Technology Research Institute |
Noise Characteristics of the Semiconductor Switch in Short Circuit on DC Power Supply System Jing Cui, Kosuke Nomura, Seiya Abe, Masahito Shoyama (Kyushu Univ.), Akira Matsumoto, Akiyoshi Fukui, Mikio Yamasaki (NTT Facilities, Inc.), Tamotsu Ninomiya (Nagasaki Univ.) EE2008-65 |
[more] |
EE2008-65 pp.17-22 |
EE |
2009-02-13 10:15 |
Overseas |
Industrial Technology Research Institute |
The efficiency improvement of a single-stage soft-switching AC-DC PFC converter Xia Yongqiang, Masahito Shoyama (Kyushu Univ.), Tamotsu Ninomiya (Nagasaki Univ.), Tomofumi Yamashita (RICOH) EE2008-78 |
[more] |
EE2008-78 pp.83-88 |
EMCJ |
2009-01-23 10:05 |
Fukuoka |
|
[Special Talk]
EMC Technologies in Switching Converters Tamotsu Ninomiya (Nagasaki University) EMCJ2008-102 |
Abstract Recently a lot of switching converters have been used in almost all electronic equipments, and they have been ... [more] |
EMCJ2008-102 pp.1-6 |
EE |
2008-11-20 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Characteristics Comparison of Two Current Resonant Converters : LLC and LLC+HB Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Satoshi Tomioka (Densei Lambda) EE2008-46 |
[more] |
EE2008-46 pp.13-15 |
EE |
2008-10-03 10:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Dynamic haracteristic of LLC Current-Resonant DC-DC converter Chunfeng Jin, Tamotsu Ninomiya (Nagasaki Univ.), Satoshi Tomioka (DESEI-LAMBDA) EE2008-35 |
This paper presents the static and dynamic characteristics of an LLC current-resonant converter. Firstly, considering th... [more] |
EE2008-35 pp.1-6 |
EE, IEE-IEA |
2008-05-09 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Conducted-Noise Reduction of Randomly Switched Buck Converter Using FPGA Gamal M. Dousoky, Masahito Shoyama, Tamotsu Ninomiya (Kyushu Univ.) EE2008-9 |
This paper describes design and implementation of a low noise digitally controlled buck converter. The switching noise p... [more] |
EE2008-9 pp.45-50 |
EE, IEE-IEA |
2008-05-09 16:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Special Talk]
* Tamotsu Ninomiya (Nagasaki Univ.) EE2008-11 |
[more] |
EE2008-11 pp.57-58 |
EE |
2008-01-21 13:25 |
Fukuoka |
|
Effect of Noise Reduction in Switching DC-DC Converter using Digital Control Daisuke Suekawa, Masahito Shoyama, Gamal Mahmoud \dousoky Ibrahim, Seiya Abe, Tamotsu Ninomiya (kyushu Univ.) EE2007-45 |
In this paper, we apply Random-Switching control, by which the switching-noise spectrum is spread and its level is reduc... [more] |
EE2007-45 pp.7-11 |
EE |
2008-01-21 15:15 |
Fukuoka |
|
Operating Characteristic of Resonant Inverter for Electrodeless Fluorescent Lamp Takafumi Sato (kyushu Univ), Hidenori Kakehashi, Shohei Yamamoto (Matsushita Electric Works), Tamotsu Ninomiya (kyushu Univ) EE2007-49 |
In recent years, electrodeless fluorescent lamp is expected a long life for no electrode. Input harmonics pose a problem... [more] |
EE2007-49 pp.29-33 |
EE |
2008-01-21 16:30 |
Fukuoka |
|
Steady-State Characteristics of Current Resonant PFC Converter Asahi Nakayama, Eka Firmansyah, Seiya Abe, Masahito Shoyama, Tamotsu Ninomiya (Kyushu Univ.), Satoshi Tomioka (Densei-Lambda K.K.) |
[more] |
|
EE |
2008-01-22 10:10 |
Fukuoka |
|
Input Current Ripple Reduction of Pulse-link DC-AC Converter for Fuel Cells Kentaro Fukushima, Tamotsu Ninomiya, Masahito Shoyama (Kyushu Univ.), Isami Norigoe, Yosuke Harada, Kenta Tsukakoshi (EBARADENSAN) EE2007-54 |
[more] |
EE2007-54 pp.59-63 |
EE |
2007-09-07 13:00 |
Tokyo |
|
A propose for a high efficiency single stage PFC converter that employs extreme low-noise serenity SMPS technology. Shin Nakagawa (FIDELIX), Masahiko Sugiyama, Manabu Sasa (NAYUTA), Tamotsu Ninomiya (Kyushu Univ) EE2007-28 |
[more] |
EE2007-28 pp.1-6 |
EE |
2007-01-25 17:30 |
Nagasaki |
Nagasaki prefectural art museum |
Efficiency Characteristics of Forward-Flyback Mixed Converter(The Second ) Asahi Nakayama (Kyushu Univ.), Yoshito Kusuhara (Kyushu P.C.), Tamotsu Ninomiya (Kyushu Univ.), Shin Nakagawa (FIDELIX Co.) EE2006-43 |
[more] |
EE2006-43 pp.37-41 |
EE |
2007-01-26 11:05 |
Nagasaki |
Nagasaki prefectural art museum |
Comparison of Transient Response of Power Supply for Cellular Phone by Difference between Voltage-Mode Control and Current-Mode Control Yu Watariguchi, Yousuke Kawasaki, Masahito Shoyama, Tamotsu Ninomiya (Kyushu Univ.), Masahiro Matsuo, Yuusuke Michishita, Junji Nishida (RICOH) EE2006-49 |
It is necessary to integrate the circuit to use the power supply by the cellular phone purpose. The value cannot be grea... [more] |
EE2006-49 pp.71-74 |
EE |
2007-01-26 13:45 |
Nagasaki |
Nagasaki prefectural art museum |
DSP-based Digital Control of a Self-driven Resonant Converter Chengrun Ding, Seiya Abe, Masahito Shoyama, Tamotsu Ninomiya (Kyushu Univ.) EE2006-53 |
The start-up at power connection becomes problem in self-driven resonant converter. This paper investigates the method o... [more] |
EE2006-53 pp.95-100 |