Author
Listed:
- Yuanxin Yao
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)
- Meng Huang
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)
- Jie Ma
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
State Grid Beijing Urban Power Supply Company, Beijing 100031, China)
- Yanxiao Su
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)
- Sheng Shi
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)
- Chunhe Wang
(State Key Laboratory of New Energy Power System, School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)
Abstract
The hot pressing parameters and fiber ratio have an important influence on the dielectric properties of aramid insulating paper. In order to deeply explore its influence and the mechanism behind it, aramid insulating papers were made with different hot pressing temperatures and pressures as well as fiber ratios. Its tightness, dielectric constant, and AC breakdown strength were tested, and its microstructure was analyzed by scanning electron microscopy. It was found that with an increase in hot pressing temperature, pressure, and fibrid content, the overall dielectric constant of the insulating paper showed a slight upward trend, while the tightness and AC breakdown strength continued to increase. Hot pressing temperature and pressure have a synergistic effect on the dielectric properties of insulating paper. The effects of these two parameters on the dielectric properties of insulating paper are similar, while the AC breakdown strength is greatly affected by the fiber ratio. In this paper, the influence mechanism by which the microstructure and fiber crystallinity of insulating paper is affected in the hot pressing process is discussed.
Suggested Citation
Yuanxin Yao & Meng Huang & Jie Ma & Yanxiao Su & Sheng Shi & Chunhe Wang, 2022.
"Effects of Hot Pressing Temperature and Pressure on Dielectric Properties of Aramid Insulating Paper,"
Energies, MDPI, vol. 15(21), pages 1-11, November.
Handle:
RePEc:gam:jeners:v:15:y:2022:i:21:p:8314-:d:965682
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