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10 results on '"Masaki Yamada"'

4. Driving Characteristics of an Electromagnet-Assisted Ferrite Magnet Motor

Author

Masato Koyama, Kazuki Motoki, Tadashi Fukami, Masatsugu Nakano, Masaki Yamada, and Mori Takeshi

Subjects
010302 applied physics, Materials science, Electromagnet, 020209 energy, 020208 electrical & electronic engineering, Energy Engineering and Power Technology, Mechanical engineering, 02 engineering and technology, 01 natural sciences, AC motor, Industrial and Manufacturing Engineering, law.invention, Brushless motors, law, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering
Published
2018
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5. Development of Isolated Multi-Port Converter with AC and DC Ports

Author

Satoshi Murakami, Takaaki Takahara, Ryota Kondo, Masaki Yamada, and Yuya Takahashi

Subjects
Forward converter, business.industry, Computer science, Flyback converter, 020209 energy, 020208 electrical & electronic engineering, Ćuk converter, Electrical engineering, 02 engineering and technology, Industrial and Manufacturing Engineering, AC/AC converter, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, business, Multi port
Published
2016
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8. Effective Operation Method of the Voltage Sag Compensator with Controlled Gradational Voltage by Interdependent Use of Capacitor Energy on Different Phase of a Power Line

Author

Nobuhiko Hatano, Masaki Yamada, Akihiko Iwata, and Toshiyuki Kikunaga

Subjects
Engineering, business.industry, Voltage divider, Hardware_PERFORMANCEANDRELIABILITY, Voltage optimisation, Decoupling capacitor, Transient voltage suppressor, Industrial and Manufacturing Engineering, law.invention, Capacitor, Hardware_GENERAL, law, Control theory, Voltage sag, Hardware_INTEGRATEDCIRCUITS, Inverter, Voltage regulation, Electrical and Electronic Engineering, business
Abstract

This paper presents the effective operation method by interdependent use of capacitor energy on the new concept of voltage transient sag compensator. This compensator consists of the series connection inverter units, and each inverter unit generates a different output voltage by 2n times. Namely, in this system, the compensation energy is accumulated in each inverter unit's capacitor charged with different voltage by 2n times. The method proposed here, in any case of various levels of transient voltage sags on different phase of a power line, provides the effective use of capacitor energy of all these inverter units.

Published
2005
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9. Effective Operation Method by Interdependent Use of Condenser Energy of the Voltage Transient Sag Compensator with Controlled Gradational Voltage

Author

Kazuo Yamamoto, Nobuhiko Hatano, Hajimu Yoshiyasu, Akihiko Iwata, Masaki Yamada, Akihiro Suzuki, and Toshiyuki Kikunaga

Subjects
Engineering, business.industry, Electrical engineering, Energy Engineering and Power Technology, Series and parallel circuits, Transient voltage suppressor, Industrial and Manufacturing Engineering, Power (physics), Control theory, Voltage sag, Inverter, Transient (oscillation), Electrical and Electronic Engineering, business, Condenser (heat transfer), Voltage
Abstract

This paper presents the efficient operation method of the interdependent use of condenser energy on the new concept of voltage transient sag compensator. This compensator consists of the series connection inverter units, and each inverter unit generates a different output voltage by 2n times. The method proposed here, in any case of various levels of transient voltage sags on the power line, provides the efficient use of condenser energy of all these inverter units. The method of interdependent use of condenser energy is also verified by the experiment. © 2005 Wiley Periodicals, Inc. Electr Eng Jpn, 154(3): 56–64, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20290

Published
2005
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10. Fast Charging method of the Capacitor Energy for the Voltage Sag Compensator with Controlled Gradational Voltage

Author

Akihiko Iwata, Yukimori Kishida, Masaki Yamada, and Nobuhiko Hatano

Subjects
Reservoir capacitor, Materials science, Voltage divider, Decoupling capacitor, Industrial and Manufacturing Engineering, law.invention, Capacitor, law, Voltage sag, Electronic engineering, Inverter, Electrical and Electronic Engineering, Energy (signal processing), Voltage
Published
2005
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