Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Toshiyuki Kikunaga"'
Publikováno v:
IEEJ Transactions on Industry Applications. 125:38-45
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
Autor:
Kazuo Yamamoto, Nobuhiko Hatano, Hajimu Yoshiyasu, Akihiko Iwata, Masaki Yamada, Akihiro Suzuki, Toshiyuki Kikunaga
Publikováno v:
IEEJ Transactions on Industry Applications. 125:126-132
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 genera
Autor:
Nobuhiko Hatano, Akihiro Suzuki, Toshiyuki Kikunaga, Hajimu Yoshiyasu, Akihiko Iwata, Kazuo Yamamoto, Masaki Yamada
Publikováno v:
Electrical Engineering in Japan. 154:65-72
This paper presents a new concept for a voltage transient sag compensator and the experimental result of its 400-V-class compensator. This compensator is composed of the series connection of some inverter units with gradational output voltages. Becau
Evaluation of Temperature Distribution of a Power Semiconductor Chip Using Electrothermal Simulation
Publikováno v:
IEEJ Transactions on Industry Applications. 124:108-115
Publikováno v:
IEEJ Transactions on Industry Applications. 121:333-339
Chip current imbalances caused by the difference of impedance of each parallel circuit in an Insulated Gate Bipolar Transistor (IGBT) module were analyzed using the three dimensional finite element method (3D-FEM). The circuit inductance of the test
Autor:
Yoshinori Ebashi, Takashi Karatsu, Akihide Kitamura, Toshiyuki Kikunaga, Hiroki Itoh, Hiroko Hotta
Publikováno v:
The Journal of Organic Chemistry. 60:8270-8277
Publikováno v:
International Journal of Electronics. 79:655-663
The design and experimental results of a 28 GHz, TE02 mode gyrotron with a permanent magnet system are presented. The permanent magnet system provided the axial magnetic field of about 5.3 kG, which is required to operate the 28 GHz gyrotron at the s
Publikováno v:
IEEJ Transactions on Fundamentals and Materials. 115:1214-1220
Publikováno v:
International Journal of Electronics. 74:137-151
The design and the experimental results of a 120GHz, TE15, 2, 1 mode gyrotron are presented. The determination of an output mode and the designs of a cavity and an electron gun are described in some detail. In the initial pulse test on the tube, the
Autor:
Yoshiyuki Yasojima, Toshiyuki Kikunaga, Tadanori Tsukamo, Hiroyuki Asano, Takashi Shimozuma, Kunihiko Nakashima
Publikováno v:
Kakuyūgō kenkyū. 67:244-256
The design of a120GH z, 1MW gyrotron is presented along with its performance experimentally verified.The criteria of selecting the oscillation mode are described as well as the design detail of a resonant cavity and a magnetron injection gun.The gyro