Decomposition and estimation of the pulsed active power of the CPSS in the CFETR tokamak reactor based on the FFT and improved Prony methods

doi:10.1016/j.egyr.2021.11.136

	Decomposition and estimation of the pulsed active power of the CPSS in the CFETR tokamak reactor based on the FFT and improved Prony methods
	Hua, Yuting 1; Fu, Peng 1; Huang, Liansheng 1; Li, Shenghu 2
刊名	ENERGY REPORTS
	2022-04-01
卷号	8
关键词	Active power decomposition Chinese Fusion Engineering Test Reactor (CFETR) Coil power supply system (CPSS) Exceeding of parameters Fast Fourier Transform (FFT) Prony method
ISSN号	2352-4847
DOI	10.1016/j.egyr.2021.11.136
通讯作者	Huang, Liansheng(huangls@ipp.ac.cn)
英文摘要	The Chinese Fusion Engineering Test Reactor (CFETR) aims to bridge the gap between the International Thermonuclear Experimental Reactor and the demonstration fusion power plant. Its coil power supply system (CPSS) will be connected to an external high-voltage power grid for producing large pulsed active power and reactive power to feed its superconducting coils. To analyze the impact of its active power on the connected high-voltage grid, the active power signal should be modeled initially. Herein, the characteristics of the active power of the CPSS are analyzed by comparing with the pulsed load, photovoltaic power, and wind power. It is modeled as a combination of periodic and decaying components, which are decomposed by the fast Fourier transform (FFT) and improved Prony methods, respectively. The proposed Prony constraint is diagnosed, and the mode size is changed to avoid exceeding the parameters. Both the calculated signal-to-noise ratio and fitting curves show the high accuracy of the proposed estimation procedure. Numerical results show that the number of selected FFT signals has no distinct influence on the estimation accuracy. The optimum Prony mode size of the decaying component estimation may be half the actual signal size when both the computing time and accuracy are considered. (c) 2021 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
资助项目	National Key R&D Program of China[2017YFE0300504] ; Comprehensive Research Facility for Fusion Technology Program of China[2018-000052-73-01-001228] ; China Postdoctoral Science Foundation[2020M671915]
WOS关键词	MODEL
WOS研究方向	Energy & Fuels
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000730908700005
资助机构	National Key R&D Program of China ; Comprehensive Research Facility for Fusion Technology Program of China ; China Postdoctoral Science Foundation
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/126940]
专题	中国科学院合肥物质科学研究院
通讯作者	Huang, Liansheng
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 2.Hefei Univ Technol, Sch Elect Engn & Automat, Hefei 230009, Peoples R China
推荐引用方式 GB/T 7714	Hua, Yuting,Fu, Peng,Huang, Liansheng,et al. Decomposition and estimation of the pulsed active power of the CPSS in the CFETR tokamak reactor based on the FFT and improved Prony methods[J]. ENERGY REPORTS,2022,8.
APA	Hua, Yuting,Fu, Peng,Huang, Liansheng,&Li, Shenghu.(2022).Decomposition and estimation of the pulsed active power of the CPSS in the CFETR tokamak reactor based on the FFT and improved Prony methods.ENERGY REPORTS,8.
MLA	Hua, Yuting,et al."Decomposition and estimation of the pulsed active power of the CPSS in the CFETR tokamak reactor based on the FFT and improved Prony methods".ENERGY REPORTS 8(2022).