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Zien Liu
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Publications (3)
Proceedings Article | 13 May 2024 Paper
Fault diagnosis methods of transformer based on dissolved gas detection in oil by gas chromatography
Zi'en Liu, Yue Zhao, Zhenghao Li, Jun Cao, Guoping Sheng
Proceedings Volume 13159, 131595A (2024) https://doi.org/10.1117/12.3024626
KEYWORDS: Transformers, Error analysis, Gases, Measurement uncertainty, Wavelets, Chromatography, Equipment, Statistical analysis, Calibration, Education and training
Proceedings Article | 13 May 2024 Paper
Comparison of accuracy of online monitoring equipment for dissolved gas in transformer oil
Zi'en Liu, Yue Zhao, Yanjun Liu, Zhenghao Li, Jun Cao, Guoping Sheng
Proceedings Volume 13159, 131592A (2024) https://doi.org/10.1117/12.3024539
KEYWORDS: Transformers, Photoacoustic spectroscopy, Chromatography, Sensors, Error analysis, Hydrogen, Carbon monoxide, Reflection, Measurement devices, Lanthanum
Proceedings Article | 6 February 2024 Paper
A quantitative test method for the total corrosive or potentially corrosive sulfur in electrical insulating oil
Wei Liu, Zien Liu, Yumei Song
Proceedings Volume 12979, 129792S (2024) https://doi.org/10.1117/12.3015855
KEYWORDS: Sulfur, Copper, Corrosion, Dielectrics, Transformers, Minerals, Contamination, Metals, Photography, Tunable filters
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