Research on the Principle of Residual Current Protection Technology Based on Transient Waveform Criterion

被引：0
|
作者：
Xiao Guolei [1 ]
Song Yan [1 ]
Ye Juwei [1 ]
Lv Chengcong [1 ]
Wu Binfeng [1 ]
Feng, Jiang [2 ]
Jin Weidong [2 ]
机构：
[1] State Grid Zhejiang Elect Power Co Ltd, Lishui Power Supply Co, Lishui 323000, Zhejiang, Peoples R China
[2] Lishui Power Ind Grp Co Ltd, Lishui 323000, Peoples R China
来源：
2020 INTERNATIONAL CONFERENCE OF RECENT TRENDS IN ENVIRONMENTAL SUSTAINABILITY AND GREEN TECHNOLOGIES (ICRTEG 2020) | 2020年 / 204卷
关键词：
Transient waveform; residual current protection; low-pass filter;
D O I：
10.1051/e3sconf/202020402009
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The paper uses a magnetic modulation current transformer method to detect transient waveform residual currents containing pulsating DC components and even smooth DC components. At the same time, it uses IIR-based digital low-pass filters to filter the collected signals, which improves Filtering accuracy. The software design is based on the floating-point DSP-TMS320F28335, which realizes the accurate sampling and analysis of the transient waveform residual current, and the transient waveform residual current detection meets the standard requirements.
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页数：8
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