Proceedings of the 2016 International Forum on Mechanical, Control and Automation (IFMCA 2016)

The Experimental Study of Breakdown Characteristics for Oil-paper Insulation under Low Temperature

Authors
Hanwu Luo, Liankai Chen, Guoyi Jiang, Shigang Cui, Haibo Liu, Shaocheng Jiang
Corresponding Author
Hanwu Luo
Available Online March 2017.
DOI
https://doi.org/10.2991/ifmca-16.2017.121How to use a DOI?
Keywords
Transformer, oil-paper insulation, low temperature, breakdown characteristics, water content
Abstract
The large power transformer will operate under low temperature in Inner Mongolia, Xinjiang and Northeast provinces in China. In order to study the breakdown characteristics of transformer oil-paper insulation at low temperature, a high-voltage and low-temperature test system for transformer oil-paper insulation breakdown characteristics was established. The effects of content Water to oil and oil-paper composite insulation breakdown characteristics in -50 ° C to 20 ° C range were obtained. The experimental results show that the breakdown voltage of the transformer oil decreases and then increases with the decrease of the temperature. For the oil-paper composite insulation, when the water content is low, the breakdown voltage increases with the decrease of the temperature. When the water content is high, the breakdown voltages decrease significantly in the early stage. When the temperature is below -10 C, the breakdown voltage increase sharply but decrease significantly after reach the peak value. The lower temperature correspond to the minimum breakdown voltage, and the lower the breakdown voltage.
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This is an open access article distributed under the CC BY-NC license.

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Volume Title
Proceedings of the 2016 International Forum on Mechanical, Control and Automation (IFMCA 2016)
Series
Advances in Engineering Research
Publication Date
March 2017
ISBN
978-94-6252-307-4
ISSN
2352-5401
DOI
https://doi.org/10.2991/ifmca-16.2017.121How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Hanwu Luo
AU  - Liankai Chen
AU  - Guoyi Jiang
AU  - Shigang Cui
AU  - Haibo Liu
AU  - Shaocheng Jiang
PY  - 2017/03
DA  - 2017/03
TI  - The Experimental Study of Breakdown Characteristics for Oil-paper Insulation under Low Temperature
BT  - Proceedings of the 2016 International Forum on Mechanical, Control and Automation (IFMCA 2016)
PB  - Atlantis Press
SP  - 777
EP  - 781
SN  - 2352-5401
UR  - https://doi.org/10.2991/ifmca-16.2017.121
DO  - https://doi.org/10.2991/ifmca-16.2017.121
ID  - Luo2017/03
ER  -