A Hybrid Impedance and Transient Based Analysis Technique for Fault Location in Distribution Networks

被引：0
作者：
Gazzana, Daniel S. [1 ]
Ferreira, Gustavo D. [1 ]
Bretas, Arturo S. [1 ]
Bettiol, Arlan L. [2 ]
Carniato, Antonio [2 ]
Nascimento Passos, Luis F. [2 ]
Ferreira, Alberto H. [3 ]
Mendes Silva, Jose E. [4 ]
机构：
[1] UFRGS Univ, Dept Elect Engn, Porto Alegre, RS, Brazil
[2] Vero Domino Consulting & Res, Florianopolis, SC, Brazil
[3] CETRIL, Ibiuna, SP, Brazil
[4] EFLJC, Sideropolis, SC, Brazil
来源：
2013 IEEE GRENOBLE POWERTECH (POWERTECH) | 2013年
关键词：
Apparent impedance; distribution networks; fault location; transient analysis; CONTINUOUS-WAVELET TRANSFORM; CIRCUIT ANALYSIS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents a hybrid method for fault location in distribution networks. An impedance-based fault location formulation, taking into account unbalanced operation, presence of intermediate loads, laterals, and time-varying load profile was developed in order to estimate the fault distance. The faulty section is then identified through the transient evaluation with focus on high frequency analysis using different signal processing techniques. The proposed method was evaluated using a real distribution feeder with 241 buses, simulated through the ATP/EMTP software considering different fault types, resistances and locations.
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页数：6
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