Paper
26 September 2023 Construction of three-dimensional digital twin model for ultra-high voltage power transformers and bushings and its electric sensor device
Shiling Zhang, Yongsheng He, Baojia Deng
Author Affiliations +
Proceedings Volume 12793, International Conference on Mechatronics and Intelligent Control (ICMIC 2023); 127931T (2023) https://doi.org/10.1117/12.3006782
Event: International Conference on Mechatronics and Intelligent Control (ICMIC2023), 2023, Wuhan, China
Abstract
It is necessary to establish three-dimensional digital twin model for the ultra-high voltage power transformers and bushings, and simulate and track the changes and trends of the physical parameters through digital twin model. Under high temperature conditions, tangent value of the loss angle and the real part value of dielectric constant of bushing core material of the converter transformer will suddenly increase, and the tangent value of the loss angle will remain between 0.004 and 0.022, while the real part value of dielectric constant will remain between 3.9 and 4.5. It can be seen that the amplitude of the fundamental wave is about 6000A, while amplitude of other harmonics shows a decreasing trend as the number of harmonics increases. Amplitude of the 50Hz fundamental current varies between -6000A and 6000A, and the eddy current heating power of the current carrying structure varies between 15W and 45W. However, during the first 1/4 cycle, the eddy current heating power of the current carrying structure gradually increases from 0W to around the peak of 45W.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Shiling Zhang, Yongsheng He, and Baojia Deng "Construction of three-dimensional digital twin model for ultra-high voltage power transformers and bushings and its electric sensor device", Proc. SPIE 12793, International Conference on Mechatronics and Intelligent Control (ICMIC 2023), 127931T (26 September 2023); https://doi.org/10.1117/12.3006782
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KEYWORDS
Transformers

3D modeling

Dielectrics

Temperature distribution

Epoxies

Metals

Instrument modeling

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