10(6)/0.4kV干式变压器超温保护的应用研究

Application and Research on the Overtemperature Protection for 10(6)/0.4kV Dry-type Transformers

干式变压器的超温保护是保护设置中必不可少的,本文通过对超温保护的工作原理、电气接线、回路中一次元器件的选用及应用过程中出现问题的分析研究,提出在管理和技术上进行改进提高的措施与方法,从而减少变压器损坏的机率,更好地保障电网的可靠运行。

The over-temperature protection for dry-type transformer is absolutely necessary for protection settings. According to the analysis and study on the working principle of over- temperature protection, electrical wiring, selection of primary component in loop and problems met in application, the paper puts forward some measures and methods of management and technical improvement, so as to reduce the probability of transformer damage, and to assure the reliable operation of power grid.