Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Mikio Kakiuchi"'
Autor:
O. Sato, Toru Otaka, Mikio Kakiuchi, Ken Nagasaka, Daisuke Hiramatsu, Tadashi Tokumasu, M. Fujita
Publikováno v:
IEEE Transactions on Energy Conversion. 27:813-821
This paper presents a new method for estimation of rotor surface losses in small-to-medium capacity synchronous machines. In this study, the authors have proposed a method for estimating the slot ripple losses induced on the rotor surface. Also, we c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e75b21df8ae0442815488fd159c6493
https://doi.org/10.1109/tec.2012.2211877
https://doi.org/10.1109/tec.2012.2211877
Autor:
Masafumi Fujita, Imai Takehiko, Daisuke Hiramatsu, Ken Nagakura, Yoichi Uemura, Junji Okumoto, Mikio Kakiuchi, Toru Otaka, Shinji Uemoto
Publikováno v:
Electrical Engineering in Japan. 177:17-27
Two-pole large generators are extensively used in power utilities. Growing demand for electric power in recent years has led to substantial increases in the capacity of generators. In line with this trend, our company has manufactured two-pole turbin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::253647e3c2dbfb367243634d8d117f1d
https://doi.org/10.1002/eej.21099
https://doi.org/10.1002/eej.21099
Autor:
Masashi Kobayashi, Toru Otaka, Kazuma Tsujikawa, Daisuke Hiramatsu, Mikio Kakiuchi, Takashi Ueda, Hitoshi Hosaka, Yoichi Uemura, Ken Nagakura
Publikováno v:
IEEJ Transactions on Power and Energy. 131:20-27
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a007c041338c6abf85a6d9b012226053
https://doi.org/10.1541/ieejpes.131.20
https://doi.org/10.1541/ieejpes.131.20
Publikováno v:
IEEE Transactions on Industry Applications. 45:685-693
Stator coils transposed by 540deg are widely used as one of the solutions to reduce the circulating current loss in the coil strands of turbine generators. However, the difference of the leakage fluxes in the two coil end parts, which is possibly cau
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb7364bea675a323d21a1a9a886d99fa
https://doi.org/10.1109/tia.2009.2013572
https://doi.org/10.1109/tia.2009.2013572
Autor:
Mikio Kakiuchi, Daisuke Hiramatsu, Junji Okumoto, Ken Nagakura, Toru Otaka, Masafumi Fujita, Yoichi Uemura, Shinji Uemoto, Imai Takehiko
Publikováno v:
IEEJ Transactions on Power and Energy. 129:93-100
Two-pole large generators are extensively used in power utilities. Growing demand for electric power in recent years has led to substantial increases in the capacity of generators. In line with this trend, our company has manufactured two-pole turbin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87cc4d7f688fd75c374c96ae10d7da09
https://doi.org/10.1541/ieejpes.129.93
https://doi.org/10.1541/ieejpes.129.93
Autor:
Yoichi Uemura, Takahiro Ara, Kaoru Koyanagi, Kaiichirou Hirayama, Toru Otaka, Daisuke Hiramatsu, Mikio Kakiuchi, Jun Shiina, Tadashi Tokumasu, Masafumi Fujita
Publikováno v:
IEEJ Transactions on Power and Energy. 127:77-84
The authors have studied the frequency characteristics of synchronous generator equivalent circuit model. The authors examined the frequency characteristics of damper winding circuits using FEM. Then the new transient analysis method considering the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bd70f444055b7314a887dfbaa8b5d1c
https://doi.org/10.1541/ieejpes.127.77
https://doi.org/10.1541/ieejpes.127.77
Autor:
Kaoru Koyanagi, Daisuke Hiramatsu, Mikio Kakiuchi, Yoichi Uemura, Kaiichirou Hirayama, Ryoma Nagura, Susumu Nagano, Takahiro Ara
Publikováno v:
IEEJ Transactions on Power and Energy. 126:209-216
The authors have examined the equivalent circuit of synchronous generator and proposed that the field mutual leakage reactance in rotor circuit (Canay reactance) and the saturation of main flux is desirable. This paper describes the study on load rej
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de459dd2e8e25c7c59a2d163f20f5332
https://doi.org/10.1541/ieejpes.126.209
https://doi.org/10.1541/ieejpes.126.209
Autor:
Yoichi Uemura, Kaiichirou Hirayama, Daisuke Hiramatsu, Toshiyuki Satoh, Kaoru Koyanagi, Mikio Kakiuchi, Takahiro Ara
Publikováno v:
IEEJ Transactions on Power and Energy. 124:1439-1445
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cde957c8bb33e4d89dc202c46c8d3fc0
https://doi.org/10.1541/ieejpes.124.1439
https://doi.org/10.1541/ieejpes.124.1439
Autor:
Kaiichirou Hirayama, Toshiyuki Satoh, Yoichi Uemura, Kaoru Koyanagi, Daisuke Hiramatsu, Mikio Kakiuchi, Akahiro Ara
Publikováno v:
IEEJ Transactions on Power and Energy. 124:835-842
This paper describes the effect of mutual leakage reactance in the rotor circuit on the analysis of generator transient characteristics. The authors derive a detailed equivalent circuit model for a 48P-15,750-kVA generator, analyze sudden short circu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef4d896eb8d47a64f8405fb2fc97d7c4
https://doi.org/10.1541/ieejpes.124.835
https://doi.org/10.1541/ieejpes.124.835
Autor:
Takashi Ueda, Daisuke Hiramatsu, Kazunori Ikeda, Masayuki Ichimonji, Mikio Kakiuchi, Toru Otaka, Tadashi Tokumasu, Masafumi Fujita, Kazuma Tsujikawa
Publikováno v:
2012 XXth International Conference on Electrical Machines.
It is known that space flux harmonics generated by fractional-slot winding are different from ones generated by integral-slot winding. The authors reviewed space flux harmonics caused by fractional-slot winding and developed a new winding method, whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::300ee2cff9c850a4795b041c6c501e12
https://doi.org/10.1109/icelmach.2012.6349913
https://doi.org/10.1109/icelmach.2012.6349913