纳米磁液在电力变压器中散热效果的研究  

Study of Heat Dissipation of the Power Transformer with Nano Oil-based Magnetic Fluid

作　　者：王信平 郑敏华[2] 

机构地区：[1]宁波第二设备安装有限公司,浙江宁波315140 [2]浙江万里学院电子信息学院,浙江宁波315100

出　　处：《浙江万里学院学报》2015年第3期77-79,87,共4页Journal of Zhejiang Wanli University

摘　　要：油浸式电力变压器是工矿企业与民用建筑供配电系统中的重要电力设备之一,变压器油充满油箱内各部件之间的间隙起到冷却和散热的作用,因此油的好坏很大程度上也决定了变压器的性能。通过在变压器油中添加10%左右纳米级的经表面活性剂包裹的铁磁性微粒制成稳定的变压器油基磁性液体。实验表明:在不改变变压器油的绝缘性能和理化性能的基础上,能明显提高变压器油的散热效果,减少体积,降低成本,降低电能损耗,提高工效。Oil-immersed power transformer is one of important electric power equipment in power supply and distribution system of the industrial and mining enterprises and civil building. Because the gap between different parts in the transformer oil tank has the effect of cooling and heat dissipation , the performance of the transformer depends on the oil to a large extent. The stable transformer oil-based magnetic liquid was made through adding about 10% ferromagnetic particles by surfactant packages with nanoscale to the transformer oil in this study. The results showed that nano oil-based magnetic fluid can significantly improve the heat dissipation capability of transformer oil, reduce the volume, lower the cost and power loss, improve the working efficiency based on without changing the insulation performance and the physical and chemical properties of transformer oil.

关 键 词：纳米磁液 油浸式变压器 散热效果 

分 类 号：F830.91[经济管理—金融学]