A New Method of On-line Medium Frequency Partial Discharge Monitoring for Power Transformer Based on Double Sensors Directionally Coupling Signal

2007 ◽  
Author(s):  
Yanqun Liao ◽  
Yang Xu ◽  
Changrong Qiu ◽  
Baofeng Xi ◽  
Xinying Liu ◽  
...  
Keyword(s):  
Power Transformer ◽  
Partial Discharge ◽  
New Method ◽  
Medium Frequency ◽  
On Line ◽  
Discharge Monitoring

scholarly journals On-line partial discharge monitoring and diagnostic system for power transformer

2005 ◽  
Vol 10 (5) ◽  
pp. 598-604 ◽  
Author(s):  
Lin Du ◽  
Jiang Lei ◽  
Li Fuqi ◽  
Zhu Deheng ◽  
Tan Kexiong ◽  
...  
Keyword(s):  
Power Transformer ◽  
Partial Discharge ◽  
Diagnostic System ◽  
On Line ◽  
Discharge Monitoring

Design of Diagnosis System for Insulation Degradation by Using Neurofuzzy Model

2000 ◽  
Vol 4 (5) ◽  
pp. 368-372
Author(s):  
Yigon Kim ◽  
◽  
Yang Hee Jung ◽  
Yong Chul Bae
Keyword(s):  
Numerical Simulation ◽  
Early Warning ◽  
Partial Discharge ◽  
Data Acquisition System ◽  
Electrical Equipment ◽  
New Method ◽  
Insulation Aging ◽  
Insulation Degradation ◽  
On Line ◽  
Data Design

Insulation aging diagnosis provides early warning of electrical equipment defects that helps avoid loss from unexpected production line shutdown. Since relations of insulation aging and partial discharge dynamics are nonlinear, it is very difficult to provide early warning in electrical equipment. This paper suggests a new method for diagnosing insulation aging that measures partial discharge on-line from DAS(Data Acquisition System) and acquires 2D patterns from analyzing it using wavelets. Using this data, design of a neurofuzzy model that diagnoses electrical equipment is investigated. Validity of the new method is confirmed by numerical simulation.

scholarly journals Application of K-Means method to pattern recognition in on-line cable partial discharge monitoring

2013 ◽  
Vol 20 (3) ◽  
pp. 754-761 ◽  
Author(s):  
Xiaosheng Peng ◽  
Chengke Zhou ◽  
D. M. Hepburn ◽  
M. D. Judd ◽  
W. H. Siew
Keyword(s):  
Pattern Recognition ◽  
Partial Discharge ◽  
On Line ◽  
Discharge Monitoring
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