Title :
A new method of suppressing periodic interference in PD monitoring on-line
Author :
Yongming, Yang ; Xinping, Yan ; Caixin, Sun
Author_Institution :
Key Lab. of High Voltage Eng. & Electr. New Technol., Minist. of Educ., Chongqing, China
Abstract :
In this paper, the authors analyze periodic interference in online PD wide bandwidth monitoring and its characteristics. A suitable method of rejecting periodic interference in online PD wide bandwidth monitoring through a direct wave trap filter is proposed. The principle and design methods are discussed. Experimental results are also given. The results prove the method be both novel and effective. In the filter process, it is possible to compress the data and to extract the characteristics value
Keywords :
computerised instrumentation; filters; insulation testing; interference suppression; partial discharge measurement; PD wide bandwidth monitoring; direct wave trap filter; insulation breakdown testing; interference rejection; online partial discharge monitoring; periodic interference suppression; Autocorrelation; Bandwidth; Circuit noise; Filters; Frequency domain analysis; Interference suppression; Monitoring; Noise measurement; Partial discharges; Power transformer insulation;
Conference_Titel :
Electrical Machines and Systems, 2001. ICEMS 2001. Proceedings of the Fifth International Conference on
Conference_Location :
Shenyang
Print_ISBN :
7-5062-5115-9
DOI :
10.1109/ICEMS.2001.970683
