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Academic Journal of Materials & Chemistry, 2023, 4(3); doi: 10.25236/AJMC.2023.040310.

Electrical and Mechanical Properties Research of Key Winding Materials in Dry Type Air-core Reactors at Low Temperature


Jianquan Liang1, Jian Zhang1, Xiumei Hou2, Leilei Zhao1, Lei Wang1, Peng Zhang1, Yubo Shen1

Corresponding Author:
Jianquan Liang

1State Grid Heilongjiang Electric Power Company Limited, Electric Power Research Institute, Harbin, 150030, China

2State Grid Heilongjiang Electric Power Company Limited, Extra High Voltage Company, Harbin, 150030, China


The low-temperature environment affects the physical properties of various materials in dry type air-core reactors, which affects the performance of the whole reactor. Therefore, when the reactor is put into operation, the insulating properties or mechanical properties of the reactor will not meet the requirements for normal operation, thus creating local defects and causing major accidents. In this paper, the insulating properties and mechanical properties of epoxy transposed wire and winding insulation are studied through AC withstand voltage tests and tensile tests under different low-temperature environments. Analysis of the test results shows that the low temperature has no significant effect on the electrical insulating properties of key materials in the reactor, but weakens the mechanical properties such as tensile strength.


Low Temperature; Dry type air-core reactor; Electrical Properties; Mechanical Properties

Cite This Paper

Jianquan Liang, Jian Zhang, Xiumei Hou, Leilei Zhao, Lei Wang, Peng Zhang, Yubo Shen. Electrical and Mechanical Properties Research of Key Winding Materials in Dry Type Air-core Reactors at Low Temperature. Academic Journal of Materials & Chemistry (2023) Vol. 4, Issue 3: 63-67. https://doi.org/10.25236/AJMC.2023.040310.


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