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Dive into the research topics where Hirofumi Shinohara is active.

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Featured researches published by Hirofumi Shinohara.


IEEE Transactions on Magnetics | 1994

Stability characteristics of a cable-in-conduit conductor by subcooled supercritical helium

Y. Wachi; S. Hanawa; Michitaka Ono; Mamoru Shimada; T. Hamajima; Hirohisa Takano; Hirofumi Shinohara; K. Takahata; J. Yamamoto; O. Motojima

The stability and limiting current of a NbTi forced-cooled superconducting coil have been investigated experimentally and analytically at the subcooled condition below 4.5 K. The test coil was wound in a one layer solenoid from a cable-in-conduit type conductor of critical current of 5.1 kA at 4.2 K and 6.5 T, whose total length was 10 m. It was installed in the bore of a back-up superconducting magnet that provided field 8 T at the test coil. The stability margin of the coil as a function of normalized current (transport current/critical current) were measured. The results are compared with the formula proposed by Dresner and reported to predictions of stability margin and limiting current at subcooled condition below 4.5 K. >


Ieej Transactions on Power and Energy | 2007

A Study of Isolated Operation of a Microgrid Configured with New Energy Generators

Jiro Sumita; Kojiro Nishioka; Yasuhiro Noro; Hirofumi Shinohara; Yozo Ito; Masanori Yabuki; Noriko Kawakami


Archive | 2005

Apparatus and method for controlling autonomous operation

Shinya Naoi; Yasuhiro Noro; Hirofumi Shinohara; 伸也 直井; 裕文 篠原; 康宏 野呂


Archive | 2006

Solar power generation system and solar power generation plant

Haruo Matsumuro; Hirofumi Shinohara; 春生 松室; 裕文 篠原


power conversion conference | 2007

Study of a Control Method of Fuel cell Inverters Connected in Parallel and Verification Test Result of an Isolated Micro grid

Noriko Kawakami; Jiro Sumita; Kojiro Nishioka; Yasuhiro Noro; Hirofumi Shinohara; Yozo Ito; Masanori Yabuki


Electrical Engineering in Japan | 1995

A novel islanding protection system for photovoltaic inverters

Chihiro Okado; Kenichi Kimoto; Hirofumi Shinohara; Takashi Ichinose


Archive | 2012

Machining method, program, machining-program generating program and machining apparatus of press die

Kouichi Katoh; Takamasa Itoh; Yoshiaki Mikami; Norihiro Miyazawa; Hirofumi Shinohara


Archive | 2013

SOLAR MODULE AND SOLAR MODULE CONNECTOR

Hirofumi Shinohara


Archive | 2012

PHOTOVOLTAIC POWER GENERATING SYSTEM

Chihiro Kasai; Hirofumi Shinohara


Archive | 2011

Solar cell module and connector for solar cell module

Hirofumi Shinohara; 裕文 篠原

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Masaaki Ohshima

Tokyo Electric Power Company

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