A 215-MVA Flywheel Motor-Generator with 4 GJ Discharge Energy for JT-60 Toroidal Field Coil Power Supply System

Matsukawa,; Kanke,; Shimada,; Yoshida, Minoru; Yamashita,; Nakayama,

doi:10.1109/mper.1987.5527129

Cited by 3 publications

(3 citation statements)

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“…The world's largest such device supplied the toroidal magnet of the JT-60 tokamak. The 650 t flywheel, built from 6 carbon steel disks, is installed in a 12 m diameter and 12 m deep vertical shaft, and features a water-cooled heat exchanger [11]. Once every 10 minutes the device can generate a current of 6.9 kA at 18 kV, with a discharge energy of 4 GJ.…”

Section: -Kinetic Energymentioning

confidence: 99%

Energy storage

Taylor

2018

EPJ Web Conf.

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The world is moving in the direction of using electricity derived from renewable sources. With the mass production of devices to enable the production of energy from such sources (wind, solar and tides), peak power capacity is competitive with that of deriving the electricity from fossil fuel. The problem is that the profile of power production does not match that of the requirements. This problem is not new, but it has become more acute: due to the extremely peaky nature of the power from the new sources, unless there is efficient energy storage, it is necessary to maintain the capacity to generate power to cover the full load in certain climatic conditions. While nuclear power is clean and would be ideal for satisfying the requirements of base load, the capital cost of nuclear plants (which should include that of decommissioning) makes the real cost of such power more expensive than that which can now obtained from renewables (and from burning gas or coal, of course). Ever since there have been electrical grids, companies have looked for ways to efficiently store energy so that power can be delivered on demand with minimum capital investment. A wide range of technologies is employed, and is being developed, so that everyday needs can be met. Energy storage is resource neutral: it allows us to use electricity from any power source more efficiently. However, it involves considerable capital investment, and can occupy a lot of space. The idea of moving towards reliance on renewable sources of energy has been taken up by a large segment of the population but there is technically still a lot to do, especially with regard to the essential corollary of energy storage. In addition to the challenge of producing the means to store energy, many other issues must be addressed. These include maintainability and longevity of the equipment (both for producing the energy and storing it). In this report we explore and compare the different methods available for storing energy and investigate trends.

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Section: -Kinetic Energymentioning

confidence: 99%

Energy storage

Taylor

2018

EPJ Web Conf.

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“…Since the motor generator with a flywheel (FW-MG) can generate large electric power without perturbing to the commercial power grid, it is used for the power supplies for toroidal field coils, primary windings for plasma current and/or heating devices such as the NBI, ECRH and/or ICRH [1][2][3]. * Corresponding author.…”

Section: Introductionmentioning

confidence: 99%

Elimination of variable harmonics on motor generator circuit for experimental fusion facility

Yamada¹,

Nakanishi²,

Kojima³

et al. 2005

Fusion Engineering and Design

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“…Um Sistema Armazenador de Energia Cinética (SAEC), ou flywheel, consiste de um volante de inércia que está acoplado mecanicamente a um motor/gerador elétrico [5], [63][64][65][66][67].…”

Section: -Armazenador Cinético De Energia (Flywheel)unclassified

Estudo sobre o comportamento do gerador a relutância variável operando no modo autoexcitado

Bernardeli¹

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Gostaria, antes de tudo, agradecer a deus por ter orientado em todas as etapas deste trabalho.Gostaria de agradecer ao professor Darizon Alves de Andrade pela oportunidade, pelos ensinamentos, pelas sugestões.Aos meus pais, Valdemar Bernardeli e Vera Lúcia Bernardeli. Aos meus irmãos, Juliana Paula Bernardeli e Alex Sousa Bernardeli (in memorian).A todos meus familiares, pelo apoio incentivo e paciência.Aos colegas e amigos, em especial prof. Augusto W. V. F. Silveira, Ghunter Paulo Viajante e Luciano Coutinho Gomes.A todos os colegas do LACE, em especial Josemar Júnior, Felippe Santos, Marcos José de Moraes, Elvis Luiz Rodrigues.Ao professor Haroldo Rodrigues Azevedo, pelos ensinamentos durante a graduação.Por fim, não poderia de deixar agradecer aos funcionários da FEELT. vii "Senhor, Tu és o Bom Pastor. Eu sou a Tua ovelha, Em alguns dias, estou sujo; Em outros, estou doente. Em alguns dias, me escondo; Em outros, me revelo.

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A 215-MVA Flywheel Motor-Generator with 4 GJ Discharge Energy for JT-60 Toroidal Field Coil Power Supply System

Cited by 3 publications

References 0 publications

Energy storage

Energy storage

Elimination of variable harmonics on motor generator circuit for experimental fusion facility

Estudo sobre o comportamento do gerador a relutância variável operando no modo autoexcitado

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