Wavelet-Based Detection of Transients Induced by DC Faults Using Boundary Protection Principle

被引：0
|
作者：
Silva, D. M. [1 ]
Costa, F. B. [1 ]
Franca, R. L. S. [1 ]
Junior, F. C. S. [1 ]
机构：
[1] Univ Fed Rio Grande do Norte, Natal, RN, Brazil
来源：
2018 IEEE POWER & ENERGY SOCIETY GENERAL MEETING (PESGM) | 2018年
关键词：
Fault-induced transients; fault detection; realtime wavelet transform; high-voltage direct current systems;
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 high-speed method for direct current (DC) line fault detection based on the boundary protection principle. It uses only the DC current signal by means of the first level wavelet coefficients resulted from stationary wavelet transform (SWT). There is no need for communication links, and an objective and generic strategy to determine the occurrence of these internal faults is proposed. Simulation results are presented in order to evaluate the suggested method performance addressing the critical cases of DC faults, alternating current (AC) faults at rectifier and inverter sides, and commutation failures.
引用
收藏
页数：5
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