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Magnet coil power supply by a self-excited induction generator with a flywheel for a small tokamak, PHiX

Murayama, Masamichi ; Kato, Shuhei ; Tsutsui, Hiroaki ; Tsuji-Iio, Shunji

Fusion engineering and design, 2019-11, Vol.148, p.111270, Article 111270 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
Magnet coil power supply by a self-excited induction generator with a flywheel for a small tokamak, PHiX
Autor: Murayama, Masamichi ; Kato, Shuhei ; Tsutsui, Hiroaki ; Tsuji-Iio, Shunji
Assuntos: Discharge ; Electric power grids ; Energy storage ; Flywheel energy storage ; Flywheels ; Induction generators ; Induction motors ; Magnet coil power supply ; Magnet coils ; Magnetism ; Power consumption ; Power supplies ; Self excitation ; Self-excited induction generator ; Superconducting magnets ; Tokamak device ; Tokamak devices
É parte de: Fusion engineering and design, 2019-11, Vol.148, p.111270, Article 111270
Descrição: •Non-superconducting tokamaks require energy storage system when the power grids are not robust.•Focused on flywheel energy storage employing an induction motor using self-excitation phenomena.•It has advantages that robustness, simpleness and no need to use large inverters for motor control.•Achieved 117 kW of peak power and 0.25 s of flattop period using a 55-kW induction motor. Tokamak devices with non-superconducting magnets require a large amount of pulsed power consumption when the power grids are not robust enough. In this case, these devices are equipped with some energy buffers to avoid the influence on the grids. In this paper, we deal with the flywheel energy storage system employing an induction motor/generator. We used self-excitation phenomena of the induction motor/generator to discharge energy from a flywheel. Furthermore, we adopted an additional self-exciting capacitor connected to the induction motor/generator during the discharging phase. As an experimental result, we achieved 117 kW of peak power and 0.25 s of flattop period using a 55-kW rated induction motor/generator.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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Magnet coil power supply by a self-excited induction generator with a flywheel for a small tokamak, PHiX

Murayama, Masamichi ; Kato, Shuhei ; Tsutsui, Hiroaki ; Tsuji-Iio, Shunji

Amsterdam: Elsevier B.V

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