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Volume 18
Issue 23
10.3390/ma18235270
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Optimization of Anti-Fouling Piezoelectric Composite Coating for High-Voltage Insulators in Converter Stations

by
Yanwen Ouyang
1,
Meng Chen
2,3,
Siwei Pan
4,
Qing Wang
4,
Yihua Qian
4,
Yuanyuan Li
1,
Yong Liu
1 and
Pengfei Fang
1,*
1
School of Physics and Technology, Wuhan University, Wuhan 430072, China
2
Hubei Key Laboratory of Marine Electromagnetic Detection and Control, Wuhan 430064, China
3
Wuhan Second Ship Design and Research Institute, Wuhan 430064, China
4
Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangzhou 510080, China
*
Author to whom correspondence should be addressed.
Materials 2025, 18(23), 5270; https://doi.org/10.3390/ma18235270
Submission received: 23 October 2025 / Revised: 12 November 2025 / Accepted: 18 November 2025 / Published: 21 November 2025
(This article belongs to the Special Issue Advances in Piezoelectric/Dielectric Ceramics and Composites)
Versions Notes

Abstract

Under the DC field, live contamination is more likely to deposit on the surface of insulators due to the action of the external electric field. The deposition of dirt on the surface of Ultra High Voltage (UHV) insulators can lead to the occurrence of flashover phenomena, causing significant economic losses. Due to the particularity of UHV insulators, many traditional surface anti-pollution technologies designed for normal voltage insulators are not applicable to them. In order to prevent the harm of contamination accumulation affecting the safe operation of transmission lines, in this study, tetragonal BaTiO3 was mixed into room-temperature vulcanized silicone rubber for the first time to prepare a composite coating with piezoelectric properties. This coating can use the piezoelectric effect to remove the contamination adhering to the surface of UHV insulators under a DC field. In this study, the piezoelectric properties of the prepared tetragonal BaTiO3 were verified through material characterization. The results show that the introduction of piezoelectric fillers can significantly accelerate the dissipation of charges on the insulator surface under slight disturbances, which helps to reduce the accumulation of charged pollutants on the insulator surface. The anti-pollution performance under electric field conditions was verified through a simulation experimental device. Finally, through experiments in a real converter station environment, the anti-pollution effect of the insulator under actual working conditions was verified.
Keywords: room-temperature vulcanizing; BaTiO3; insulator anti-fouling; DC field contamination accumulation room-temperature vulcanizing; BaTiO3; insulator anti-fouling; DC field contamination accumulation

Share and Cite

MDPI and ACS Style

Ouyang, Y.; Chen, M.; Pan, S.; Wang, Q.; Qian, Y.; Li, Y.; Liu, Y.; Fang, P. Optimization of Anti-Fouling Piezoelectric Composite Coating for High-Voltage Insulators in Converter Stations. Materials 2025, 18, 5270. https://doi.org/10.3390/ma18235270

AMA Style

Ouyang Y, Chen M, Pan S, Wang Q, Qian Y, Li Y, Liu Y, Fang P. Optimization of Anti-Fouling Piezoelectric Composite Coating for High-Voltage Insulators in Converter Stations. Materials. 2025; 18(23):5270. https://doi.org/10.3390/ma18235270

Chicago/Turabian Style

Ouyang, Yanwen, Meng Chen, Siwei Pan, Qing Wang, Yihua Qian, Yuanyuan Li, Yong Liu, and Pengfei Fang. 2025. "Optimization of Anti-Fouling Piezoelectric Composite Coating for High-Voltage Insulators in Converter Stations" Materials 18, no. 23: 5270. https://doi.org/10.3390/ma18235270

APA Style

Ouyang, Y., Chen, M., Pan, S., Wang, Q., Qian, Y., Li, Y., Liu, Y., & Fang, P. (2025). Optimization of Anti-Fouling Piezoelectric Composite Coating for High-Voltage Insulators in Converter Stations. Materials, 18(23), 5270. https://doi.org/10.3390/ma18235270

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