DocumentCode :
3541895
Title :
Application of dynamic tunneling fuzzy C-means algorithm in dissolved gas of transformer oil
Author :
Chang, Tao ; Zhang, Xiaoxing ; Xiong, Hao ; Sun, Caixin
Author_Institution :
Chongqing Electr. Power Test & Res. Inst., Chongqing, China
fYear :
2009
fDate :
16-19 Aug. 2009
Abstract :
Dissolved gas analysis in transformer oil (DGA) is an important method for power transformer insulating diagnosis. Aiming at the problem that fuzzy C-means (FCM) clustering algorithm is likely to fall into local minimum point when being used for dissolved gas analysis, dynamic tunneling algorithm was introduced for its high global optimization performance. Then a FCM clustering algorithm was presented based on these two algorithms. On the basis of local minimum obtained by optimization searching of FCM algorithm, using dynamic tunneling process to search a lower energy valley, then the value was submitted to FCM algorithm for iterative optimization until global minimum point was found by repeating the process. Through the application of this algorithm for DGA in transformer oil, transformer fault diagnosis can be achieved. These tests for fault diagnosis of chromatography transformer oil and noise samples show that, the algorithm can cluster samples quickly and effectively and with high accuracy for diagnosis.
Keywords :
fault diagnosis; fuzzy set theory; iterative methods; optimisation; pattern clustering; power transformer insulation; search problems; transformer oil; chromatography transformer oil; dissolved gas analysis; dynamic tunneling fuzzy C-means algorithm; fuzzy C-mean clustering algorithm; global minimum point; iterative optimization; optimization searching; power transformer insulating diagnosis; transformer fault diagnosis; Clustering algorithms; Dissolved gas analysis; Fault diagnosis; Gas insulation; Heuristic algorithms; Iterative algorithms; Oil insulation; Power transformer insulation; Power transformers; Tunneling; Dissolved gas analysis; Fault diagnosis; Fuzzy C-Means clustering algorithm; Power transformer; dynamic tunneling system;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-3863-1
Electronic_ISBN :
978-1-4244-3864-8
Type :
conf
DOI :
10.1109/ICEMI.2009.5274191
Filename :
5274191
Link To Document :
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