Chemistry behind the life of a transformer |
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| Authors: | Rashmi Sanghi |
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| Institution: | (1) Facility for Ecological and Analytical Testing 302 Southern laboratories, Indian Institute of Technology, 208016 Kanpur, India |
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| Abstract: | Conclusion Scientific assessment of the insulation conditions rather than years of service determine the remnant life of the transformer.
Insulation age of a transformer is exclusively decided by the life of cellulosic materials. Extent of degradation of cellulosic
materials can be quantified by measuring dissolved CO2 gas content in oil, degree of polymerization of paper and furan content in oil. Transformer life is shortened by a number
of events. Taking action to prevent failure from any of these causes is a method of life extension. Maintaining the insulation
system in good order and controlling loads by the use of dynamic loading of the equipment make it possible to improve the
utilization of the existing transformer capacity. |
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| Keywords: | Transformers maintenance insulation system |
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