NDLI: A novel AC Protection Scheme in electronic power system

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A novel AC Protection Scheme in electronic power system

Content Provider	Scilit
Author	Shen, Hongming Liu, Peng Wang, Ziqi Liu, Min Du, Na Jiang, Jing
Copyright Year	2021
Description	Journal: Iop Conference Series: Earth and Environmental Science The application of a large number of power electronic devices has caused great changes in the fault characteristics of the AC system, and the existing protection schemes are facing great challenges. This paper first analyzes the transient current waveform characteristics of AC line faults in different scenarios such as pure AC system, DC transmission system, and new energy grid connection, and then uses the correlation coefficient to identify the transient current waveform, and a new protection principle is proposed. Finally, the new protection scheme requirements on the transformer, sampling frequency and data window length are analyzed. The correctness of the analysis conclusion is verified based on EMTDC / PSCAD simulation.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/645/1/012003/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/645/1/012003
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	645
Language	English
Publisher	IOP Publishing
Publisher Date	2021-01-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Hardware and Architecture Nuclear Energy and Engineering Protection Scheme Ac System New Protection
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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