Zobrazeno 1 - 10
of 189
pro vyhledávání: '"Rion Takahashi"'
Autor:
Ayaka Nakamura, Faramarz Alsharif, Atsushi Umemura, Rion Takahashi, Junji Tamura, Atsushi Sakahara, Fumihito Tosaka, Ryosuke Nakamoto
Publikováno v:
IET Generation, Transmission & Distribution, Vol 15, Iss 24, Pp 3375-3387 (2021)
Abstract Large‐scale integration of renewable energy sources (RESs) such as wind power can impact on the existing power system's stability. For example, there is a possibility that the wind farm (WF) cannot be maintained stable and then it is disco
Externí odkaz:
https://doaj.org/article/f7fc95acaf74490abf3137bfd092c581
Publikováno v:
Applied Sciences, Vol 12, Iss 3, p 1619 (2022)
In this paper, a detailed model and an average model of an MMC (Modular Multilevel Converter)-controlled Permanent Magnet Synchronous Generator (PMSG)-based direct drive wind turbine are proposed. The models are used to analyze the steady-state and t
Externí odkaz:
https://doaj.org/article/612221aa10024cdfa9aabb33b58fb48d
Publikováno v:
The Journal of Engineering (2019)
This paper proposes a coordinated frequency control method for variable speed wind turbines with permanent magnet synchronous generators (VSWT-PMSGs) based offshore wind farm (OWF), which is connected to the main onshore grid through voltage source c
Externí odkaz:
https://doaj.org/article/ff21913616d74f86adf5ce0f4903260c
Autor:
Kimiko Tada, Takamasa Sato, Atsushi Umemura, Rion Takahashi, Junji Tamura, Yoshiharu Matsumura, Daisuke Yamaguchi, Hirooki Kudo, Masakazu Niiyama, Yasuhito Taki
Publikováno v:
The Journal of Engineering (2019)
Due to serious environmental issues in recent years, renewable energy has been focused on all over the world to solve the issues. However, because of indirect characteristics such as variations of solar radiation intensity or wind speeds, the output
Externí odkaz:
https://doaj.org/article/04a2c71acef84ab1ae1ab9f4af2e8fba
Autor:
Junji Tamura, Atsushi Umemura, Rion Takahashi, Atsushi Sakahara, Fumihito Tosaka, Ryosuke Nakamoto
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 9034 (2020)
The penetration level of large-scale wind farms into power systems has been increasing significantly, and the frequency stability and transient stability of the power systems during and after a network fault can be negatively affected. This paper pro
Externí odkaz:
https://doaj.org/article/65dd599675ae4b48bb8a2b10e178140a
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 9085 (2020)
This paper proposes the application of an adjustable speed diesel engine-driven power plant employing a doubly-fed induction generator to an isolated small-scale power system including renewable power sources. This type of power plant can contribute
Externí odkaz:
https://doaj.org/article/0924aa88aa8c4dbeb3d300f1aa8927a1
Publikováno v:
Applied Sciences, Vol 2, Iss 4, Pp 780-800 (2012)
In this paper, a design fuzzy logic controller for a variable speed permanent magnet wind generator connected to a grid system through a LC-filter is proposed. A new current control method of grid side conversion is developed by integrating the fuzzy
Externí odkaz:
https://doaj.org/article/7d15eee1256f40349d4434fd858efb9f
Autor:
Md. Rifat Hazari, Mohammad Abdul Mannan, S. M. Muyeen, Atsushi Umemura, Rion Takahashi, Junji Tamura
Publikováno v:
Applied Sciences, Vol 8, Iss 1, p 20 (2017)
Wind farm (WF) grid codes require wind generators to have low voltage ride through (LVRT) capability, which means that normal power production should be resumed quickly once the nominal grid voltage has been recovered. However, WFs with fixed-speed w
Externí odkaz:
https://doaj.org/article/d56c52c0831a4397a769cd007957c6d0
Autor:
Zhichao Li, Faramarz Alsharif, Atsushi Umemura, Rion Takahashi, Junji Tamura, Atsushi Sakahara, Fumihito Tosaka, Ryosuke Nakamoto
Publikováno v:
IEEJ Transactions on Power and Energy. 142:542-551
Autor:
Marwan Rosyadi, Atsushi Umemura, Rion Takahashi, Junji Tamura, Takamori Uchiumi, Masanori Mori, Hiroki Miyata
A simplified model of a modular multilevel converter (MMC) implemented on a high voltage direct current (HVDC) transmission system is presented in this study for the analyses of steady-state and transient stabilities. The simplified model design’s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69b1dcbcb3ebf2db30abcfa87a7719a9
https://zenodo.org/record/7773050
https://zenodo.org/record/7773050