Shinji Arinaga
Mitsubishi Heavy Industries
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Publication
Featured researches published by Shinji Arinaga.
european conference on power electronics and applications | 2007
Kazuhiro Ohyama; Shinji Arinaga; Yukio Yamashita
This paper proposes the variable-speed wind generator system using the boost converter. The proposed system has three speed control modes for the wind velocity. The control mode of low wind velocity regulates the armature current of the generator with the boost converter to control the windmill speed. The control mode of middle wind velocity regulates the DC link voltage with vector controlled inverter to control the windmill speed. The control mode of high wind velocity regulates the pitch angle of the wind turbine with the pitch angle control system to control the windmill speed. The hybrid of three speed control scheme extends the variable-speed range. The proposed system simplifies the maintenance, improves the reliability, and reduces the cost in compare with variable- speed wind generation system using PWM converter.
Renewable Energy | 1999
Naruhito Kodama; Tomoyuki Matsuzaka; Keiichi Tuchiya; Shinji Arinaga
The pitch control of wind generators is usually made by a feed back control concept. However, under the conditions where a wind speed changes very frequently due to geographic reasons of the site and the target system has large rotor inertia, the feed back signal which is applied to the control system to compensate disturbance such as wind speed variations is delayed, and consequently the control strategy to keep the generated power at a constant value does not work well. If the wind speed shows too much variation, this will cause a violent variation of power and result in step out operation of the generator from the power system due to magnetic saturation. This paper proposes a control strategy to reduce the power variations by introducing feed forward control combining with the conventional feed back control.
Archive | 2007
Shinji Arinaga; Takatoshi Matsushita; Tsuyoshi Wakasa
Archive | 2007
Shinji Arinaga; Tsuyoshi Wakasa; Takatoshi Matsushita
Archive | 2007
Shinji Arinaga; Tsuyoshi Wakasa; Takatoshi Matsushita
Archive | 2010
Shinji Arinaga; Tsuyoshi Wakasa; Takatoshi Matsushita
Archive | 2006
Shinji Arinaga; Takatoshi Matsushita; Tsuyoshi Wakasa; 真司 有永; 崇俊 松下; 強志 若狭
Archive | 2006
Shinji Arinaga; Masaaki Shibata; Nobuyasu Nakamura; Takatoshi Matsushita; Kazuhisa Tsutsumi; Takao Kuroiwa; Toshiyuki Hirano; Kai Karikomi
Archive | 2007
Shinji Arinaga; Takatoshi Matsushita; Tsuyoshi Wakasa; Masaaki Shibata; Akira Yasugi
Ieej Transactions on Power and Energy | 2005
Takehiro Naka; Nilesh J. Vasa; Shigeru Yokoyama; Atsushi Wada; Akira Asakawa; Hideki Honda; Kazuhisa Tsutsumi; Shinji Arinaga