NDLI: Research on fault section location method of distribution networks with arc suppression coil grounding based on energy leakage function

Content Provider	IET Digital Library
Author	Fang, Jian Yan, Yingjie Zhang, Hang Wang, Hongbing Wang, Yong
Abstract	In distribution networks with arc suppression coil grounding, the fault line can be set as the energy leakage channel of the capacitive current of the entire system. During the period from fault occurrence to the whole action process of arc suppression coil, there is abundant fault information in the transient waves. However, the data of this period are usually ignored in previous methods. In this study, a novel fault section location method based on the leakage energy function is proposed. Only the fault phase voltage and fault phase current are used in the proposed method, to avoid the difficulty of the zero-sequence current measurement. Then, the action characteristics of two types of arc suppression devices are analysed. The influence of the capacitor current on the fault phase voltage and current during the entire process of arc suppression coil operation is deduced. The difference between the leakage energy on both sides of the fault section is used as the criterion for fault section location. Finally, the effectiveness of the method is verified by a case study. The simulation results indicate that the proposed method has high sensitivity and high impedance adaptability, that will have more advantages in the actual situations.
Starting Page	6097
Ending Page	6106
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 25, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0891
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/25
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-11-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Arc Suppression Coil Grounding Arc Suppression Coil Operation Arc Suppression Device Arcs (electric) Coils Distribution Network Earthing Electric Current Measurement Energy Leakage Channel Energy Leakage Function Fault Information Fault Line Fault Location Fault Occurrence Fault Section Location Method Gaseous Insulation, Breakdown And Discharges Leakage Energy Function Power Distribution Fault Power Distribution Protection Power System Protection Zero-sequence Current Measurement
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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