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Development of Oil Immersed Transformer Management Technologies by Using Dissolved Gas Analysis

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5 Author(s)
Jong-Ho Sun ; Korea Electrotechnol. Res. Inst., Changwon ; Han, Sang-Bo ; Sang-Hwa Yi ; Dong-Sik Kang
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A newly developed diagnosis system using DGA (dissolved gas analysis) was studied for the effective management of oil-immersed transformers. It consists of the measurement system of dissolved hydrogen gas in oil and DGA software based on dissolved gases such as acetylene (C2H2), hydrogen (H2), ethylene (C2H4), methane (CH4), ethane (C2H6), carbon monoxide (CO) and carbon dioxide (CO2). The system for hydrogen gas measurement was designed using semiconductor gas sensor and polymer membrane. Artificial neural network and rule based DGA possibility in the software were used for recognition of fault causes and decision of fault

Published in:

Properties and applications of Dielectric Materials, 2006. 8th International Conference on

Date of Conference:

June 2006