Angle Ring Press Board Characteristic in Accordance with Temperature and Humidity for High Voltage Transformer

Suh Wang Byuck
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Abstract

In this study, to develop angle ring pressboards for high voltage transformers, the radius and thickness are modified under the conditions of temperature and humidity. In particular, a pressboard with a thickness of 6 mm and a radius at the angled part were investigated based on the simulation of the principal stress from the angled optimization profile shape. As a result, by the appropriate application of a higher temperature, the solid insulation can be improved to reduce the moisture content for an optimized profile angle of a high voltage transformer. This also results in the improvement of the safety factor by 25%. It is determined that the electrical insulation properties of pressboards in high voltage transformers can be enhanced by improving their properties.
高压变压器角环压板随温湿度变化特性研究
为了研制高压变压器用角环压板,在温度和湿度条件下,对其半径和厚度进行了修正。以厚度为6 mm的冲压板为研究对象,对其倾斜部位半径进行了模拟,得到了倾斜优化轮廓的主应力。因此,通过适当应用较高的温度,可以改善固体绝缘,以减少高电压变压器优化轮廓角的水分含量。这也使安全系数提高了25%。通过改进高压变压器压板的性能,可以提高压板的电绝缘性能。
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