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	Design and realization of electronic current transformer calibrator based on DSP
	Li Tongjie ; Zhang Xiaogeng
	2010-10-12 ; 2010-10-12
关键词	Practical/ calibration current transformers data acquisition digital signal processing chips/ electronic current transformer calibrator DSP electronic transformer calibration portable calibrator peripheral circuit signal acquisition signal processing calibration method quasisynchronous algorithm frequency variation calibration accuracy/ B8350 Transformers and reactors B2140 Inductors and transformers B1265F Microprocessors and microcomputers B7210G Data acquisition systems
中文摘要	It is necessary to calibrate electronic transformer before using it in practice. A new portable calibrator is designed to calibrate electronic transformer. This calibrator applies DSP and simple peripheral circuit to realize the function of signal acquisition, processing and display. As the calibration method, quasi-synchronous algorithm is introduced and carefully analyzed, which effectively suppresses the effect pf line frequency variation on calibration accuracy. The instrument is calibrated in the lab and its accuracy satisfies the standard of 0.1 class current transformer. So the proposed calibrator is able to calibrate 0.5 class current transformers.
语种	中文
出版者	China Publications Center ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80252]
专题	清华大学
推荐引用方式 GB/T 7714	Li Tongjie,Zhang Xiaogeng. Design and realization of electronic current transformer calibrator based on DSP[J],2010, 2010.
APA	Li Tongjie,&Zhang Xiaogeng.(2010).Design and realization of electronic current transformer calibrator based on DSP..
MLA	Li Tongjie,et al."Design and realization of electronic current transformer calibrator based on DSP".(2010).

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