Research on Monitoring of Moisture Content in Transformer Oil by Using Sensors

Qiang Fu; Meng Jun Wang; Wei Su; Yi Hua Qian; Guo Hua Lu

doi:10.4028/www.scientific.net/AMR.684.486

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 684Research on Monitoring of Moisture Content in...

Research on Monitoring of Moisture Content in Transformer Oil by Using Sensors

Abstract:

The moisture distribution in the transformer and variation mechanism of moisture in oil is analyzed in this paper, and using relative saturation and temperature as characteristic parameters, a detail scheme of on-line monitoring moisture content in transformer oil is put forward. The polyimide-based capacitive humidity sensor and temperature sensor are employed in on-line monitoring moisture content in oil. Computer is utilized to sample and analyze the data that sensors send out. The experiment on test transformer confirms that the sensors can work reliably, and reflect the moisture content in transformer oil accurately. The method that the paper proposes can realize the purpose of on-line monitoring.

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Periodical:

Advanced Materials Research (Volume 684)

Pages:

486-490

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.684.486

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Online since:

April 2013

Authors:

Qiang Fu, Meng Jun Wang, Wei Su, Yi Hua Qian, Guo Hua Lu

Keywords:

Moisture Content, Online Monitoring, Sensor, Transformer

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References

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