An expert system for transformer fault diagnosis using dissolved gas analysis

Journal Article · Thu Dec 31 23:00:00 EST 1992 · IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/61.180341· OSTI ID:6502944

Lin, C E; Ling, J M; Huang, C L ^[1]

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1. Cheng Kung Univ., Tainan (Taiwan, Province of China)

A prototype of an expert system based on the dissolved gas analysis (DGA) technique for diagnosis of a suspected transformer faults and their maintenance actions is developed. The synthetic method is proposed to assist the popular gas ratio method. Moreover, the uncertainty of key gas analysis, norms threshold and gas ratio boundaries are managed by using a fuzzy set concept. Incorporation of the norms method, the gas ratio method, the synthetic method, a data base of Taiwan Power Company's (TPC) transformer gas records, and TPC's expertise for diagnosis and maintenance increases the performance capability and reduces the operational limitations. This expert system is implemented into PC-AT by using KES with rule-based knowledge representation. The designed expert system has been tested for TPC's transformers gas records to show its effectiveness in transformer diagnosis.

• OSTI ID: 6502944
• Journal Information: IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Transactions on Power Delivery (Institute of Electrical and Electronics Engineers); (United States) Vol. 8:1; ISSN 0885-8977; ISSN ITPDE5
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
240200* -- Power System Networks
Transmission & Distribution-- (1990-)
ASIA
CHINA
DIAGNOSTIC USES
ELECTRICAL EQUIPMENT
EQUIPMENT
EXPERT SYSTEMS
GAS-INSULATED TRANSFORMERS
MAINTENANCE
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
TRANSFORMERS
USES