Study of the mathematical morphological filter in suppressing periodic narrow bandwidth noise of PD

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering

Volumn 24, Issue 3, 2004, Pages 169-173

  Liu, Yun Peng ^a   Lu, Fang Cheng ^a   Li, Cheng Rong ^a   Li, Yan Qing ^a  

^a NORTH CHINA ELECTRIC POWER UNIVERSITY   (China)

Author keywords

Adaptive algorithms; Electromagnetic interferences; Mathematical morphology filter; On line monitoring; Partial discharge; Transformer

Indexed keywords

ADAPTIVE ALGORITHMS; ELECTRIC TRANSFORMERS; ELECTROMAGNETIC WAVE INTERFERENCE; INTERFERENCE SUPPRESSION; LEAST SQUARES APPROXIMATIONS; ONLINE SYSTEMS;

MATHEMATICAL MORPHOLOGY FILTER; ONLINE MONITORING; PERIODIC NARROW BANDWIDTH NOISE;

PARTIAL DISCHARGES;

EID: 2442664305     PISSN: 02588013     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (14)

1. Jin Xianhe, Wang Changchang. A digital filter technique used for on-line monitoring of partial discharge [J]. Journal of Tsinghua University (Sci and Tech), 1993, 33(4): 62-67.
2. Xie Liangpin, Zhu Deheng. Research of spectrum analysis based on FFT for suppressing narrow-band interferences in PD signal [J]. High Voltage Engineering, 2000, 26(4): 6-8.
3. Nagesh V, Gururaj B I. Evaluation of digital filters for rejection discrete spectral interference in on-site PD measurements [J]. IEEE Trans on Electrical Insulation, 1993, 28(1): 33-37.
4. Xieer Zhaman, Zhu Deheng. Adaptive digital filter system used for on-line partial discharge monitoring [J]. High Voltage Engineering, 1994, 20(3): 6-8.
5. Tang Ju, Sun Caixin. Application of wavelet packet transform to the suppression of white noise and periodic narrowband interference in partial discharge signals [J]. High Voltage Engineering, 2002, 28(12): 8-10.
6. Hu Mingyou, Xie Hengkun. Study on wist-nst filter used for suppression of stationary noises in PD monitoring [J]. Proceedings of the CSEE, 2000, 20(1): 37-40.
7. Maragos P, Schafer R W. Morphological filters - Part I: Their set theoretic analysis and relations to linear shift invariant filters [J]. IEEE Trans. on ASSP. 1987, 35(8): 1153-1169.
8. Maragos P, Schafer R W, Morphological filters - Part II: Their relation to median, order-statistic, and stack filters [J]. IEEE Trans. on ASSP. 1987, 35(8): 1170-1184.
9. Zhao Chunhui. Research on digital morphological filter theory and its algorithms [D]. Harbin: Harbin institute of technology, 1998.
10. Zhao Chunhui, Sun Rui, Sun Shenghe. Structure element adaptive optimization algorithm of morphological filters [J]. Journal of Electronics and Information Technology, 2002, 24(3): 289-295.
11. Sun Caixin, Li Xin, Yang Yongming. The method of drawing PD signal from white noise by wavelet analysis [J]. Transaction of China Electrotechnical, 1999, 14(3): 47-50.
12. Xu Shuzhen, Chen Chen. Study of signal adapted wavelet and its application to PD monitoring [J]. Proceedings of the CSEE. 2001, 21(8): 1-4.