微型电脑应用2025，Vol.41Issue(3)：167-170,4.
电弧发生器表面耐电弧能力模态分解方法
Modal Decomposition Method for Arc Resistance of Arc Generator Surface
谭静 1吴叶弘 2周启义 3金海勇2
作者信息
- 1. 国网湖北省电力有限公司直流公司,湖北,宜昌 443000
- 2. 上海乐研电气有限公司,上海 201802
- 3. 国网湖北电力有限公司荆州供电公司,变电检修分公司,湖北,荆州 434000
- 折叠
摘要
Abstract
In order to detect arc fault accurately,a modal decomposition method for arc resistance of arc generator surface based on improved complementary ensemble empirical mode decomposition(CEEMD)method is proposed.Combining the advantages of empirical mode decomposition(EMD)method and CEEMD method,an improved CEEMD method is established to reduce redundant noise.The decomposition results are checked by orthogonality,and two adjacent non-orthogonal intrinsic mode func-tion(IMF)components are merged to eliminate the transfer phenomenon and mode splitting,and the fault arc detection is real-ized.The experimental results show that when decomposing the loop current signal using the proposed method,the recognition effect of the first layer of the intrinsic mode function(IMF1)is the best.Decomposing the signal to the first layer can increase the running speed and save the running time.By using the amplitude variation of IMF1,the characteristics of arc faults can be effectively identified.The current signal of parallel operation load loop obtained by the proposed method is consistent with the actual normal operation and arc fault operation situations,and the parallel load arc fault can be detected correctly.关键词
气体断路器/绝缘灭弧片/耐电弧能力/模态分解/故障诊断/回路电流Key words
gas circuit breaker/insulated arc interrupter/arc resistance capability/modal decomposition/fault diagnosis/loop current分类
动力与电气工程引用本文复制引用
谭静,吴叶弘,周启义,金海勇..电弧发生器表面耐电弧能力模态分解方法[J].微型电脑应用,2025,41(3):167-170,4.
