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Technical Committee on Energy Engineering in Electronics and Communications (EE)
Chair: Yoshiyuki Ishihara (Doshisha Univ.) Vice Chair: Masahito Shoyama (Kyushu Univ.)
Secretary: Kimihoro Nishijima (Oita Univ.), Tadatoshi Babasaki (NTT)
Assistant: Akira Takeuchi (NTT)

DATE:
Thu, Jan 27, 2011 15:20 - 17:00
Fri, Jan 28, 2011 10:15 - 16:05

PLACE:
(http://www.sojo-u.ac.jp/)

TOPICS:


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Thu, Jan 27 PM (15:20 - 17:00)
----------------------------------------

(1) 15:20 - 15:45
Proposal of a loss less snubber for Flyback converter
Yu Yonezawa, Yoshiyasu Nakashima, Takahiko Sugawara, Hiroshi Nakao, Toshio Sugimoto (Fujitsu Labs.)

(2) 15:45 - 16:10
Influence of Switching Device Output Capacitance for Circuit Operation and Efficiency in Bidirectional DC-DC Converter
Masayuki Kato, Yasuhito Takahashi, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ), Masashi Ogura, Yoshifumi Minowa, Nobuhiro Kurio (Nissin Electric Co.,LTD.)

(3) 16:10 - 16:35
A Novel Multi-Resonant Current ZVS Converter Operated in Fixed Frequency
Tatsuya Hosotani (Murata manufacturing), Akihiro Sawada, Koji Fujiwara, Yoshiyuki Ishihara (Doshisha Univ.)

(4) 16:35 - 17:00
Reduction of Transformer Loss in LLC Resonant Converter Using two Flat Transformers
Sihun Yang (Kyushu Univ.), Seiya Abe (ICSEAD), Masahito Shoyama (Kyushu Univ.)

----------------------------------------
Fri, Jan 28 AM (10:15 - 16:05)
----------------------------------------

(5) 10:15 - 10:40
Evaluation of semiconductor breaker for HVDC power supply system
Kensuke Murai, Toshimitsu Tanaka, Tadatoshi Babasaki, Yousuke Nozaki (NTT)

(6) 10:40 - 11:05
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)

(7) 11:05 - 11:30
A study of breaking characteristics of MCCB in the use of Higher Voltage Direct Current (HVDC) distribution system.
Masatoshi Noritake, Tomohito Ushirokawa, Keiichi Hirose, Masato Mino (NTT FACILITIES)

(8) 11:30 - 11:55
Plug & socket-outlet for DC power distribution
Keiichi Hirose, Masatoshi Noritake (NTT-F), Takashi Yuba, Koichi Kiryu, Akio Nakamura (FCL), Junya Sekikawa (Shizuoka Univ.)

----- Break ( 65 min. ) -----

(9) 13:00 - 13:25
Smart-battery management technologies for information devices in consideration of non smart-tap
Kazuhiko Takeno, Hosei Matsuoka (NTT DOCOMO)

(10) 13:25 - 13:50
The Battery Management for Constructing Fuel-Cell/Battery Hybrid Power Supply System
Katsuyuki Sato, Toshiaki Yachi (TUS), Akira Takeuchi, Tadatoshi Babasaki, Naoki Kato (NTT)

(11) 13:50 - 14:15
Optimal Orientation for Maximizing Energy-Efficiency in PV Panels
Gamal M. Dousoky (Kyushu Univ.), Abou-Hashema El-sayed (Minia Univ.), Masahito Shoyama (Kyushu Univ.)

(12) 14:15 - 14:40
Study of Power Converter with Peak-Power-Tracking Function by Newton-method for Satellites
Minoru Iwasa (JAXA), Masatoshi Nakahara (Sojo Univ.), Hiroaki Kusawake, Koichi Kibe (JAXA)

----- Break ( 10 min. ) -----

(13) 14:50 - 15:15
Study of In-situ Observation System for Digital Source on Satellites
Shuuhei Shimada, Minoru Iwasa, Hiroaki Kusawake, Koichi Kibe (JAXA)

(14) 15:15 - 15:40
Fast Proportion Digital Control Circuit for DC-DC Converter.
Yuki Maeda, Fujio Kurokawa, Yuichiro Shibata (Nagasaki Univ.), Tsukasa Takahashi, Kouta Bansho, Toru Tanaka, Keiichi Hirose (NTT-f)

(15) 15:40 - 16:05
The Characteristic Improvement of Digitally Controlled DC-DC Converter
Taku Ishibashi, Fujio Kurokawa (Nagasaki Univ.), Tadatoshi Babasaki (Nagasaki Univ./NTT)

# Information for speakers
General Talk will have 18 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by IEEE Power Electronics Society Japan Chapter.


=== Technical Committee on Energy Engineering in Electronics and Communications (EE) ===
# FUTURE SCHEDULE:

Thu, Feb 10, 2011: Kikai-Shinko-Kaikan Bldg. [Mon, Dec 13]

# SECRETARY:
Akira Takeuchi(NTT Energy and Environment Systems Laboratories)
TEL0422-59-2027,FAX0422-59-5682
E-mail:takeuchi.akira@lab.ntt.co.jp


Last modified: 2011-03-04 10:03:36


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