摘要
利用流体力学的相关理论与方法,建立了流场和电场耦合条件下复合绝缘子串的积污仿真数值模型,研究了污秽颗粒粒径、风速、风倾角对复合绝缘子表面积污特性的影响。结果表明:复合绝缘子串表面对污秽颗粒的吸附能力随场强的增加而提高,随风速的提高而降低;一定范围内污秽颗粒粒径增大会增加绝缘子对污秽颗粒的吸附量;风倾角向上时增加了下表面对污秽粒子的吸附,风倾角向下时增加了上表面对污秽粒子的吸附。
Based on the relevant theories and methods of fluid dynamics, a numerical simulation model of pollution accumulation of composite insulator string under the coupling of flow field and electric field was established. The effects of pollution particle size, wind speed, and inclination angle of wind on the surface pollution accumulation characteristics of insulator strings were studied. The results show that the pollution adsorption capacity of the insulator surface increases with the increase of electric field, and decreases with the increase of wind speed. The pollution adsorption of insulator strings increases with the increase of particle size in a certain range. The pollution adsorption of the lower surface increases when the wind inclination is upward, and the pollution adsorption of the upper surface increases when the wind inclination is downward.
作者
毕晓甜
高嵩
郭嵘
贾勇勇
王宇
BI Xiaotian;GAO Song;GUO Rong;JIA Yongyong;WANG Yu(Electric Power Research Institute of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103,China;State Grid Jiangsu Electric Power Co., Ltd. Maintenance Branch Company, Nanjing 211106,China;Beijing Internet Based Engineering Co., Ltd., Beijing 100083, China)
出处
《绝缘材料》
CAS
北大核心
2019年第7期86-91,共6页
Insulating Materials
基金
国家电网公司总部科技项目(基于遥感遥测技术的特高压直流外绝缘积污特性研究及状态检测)
关键词
绝缘子积污
电场
流场
粒径
风速
风倾角
insulator pollution contamination
electric field
flow field
particle size
wind speed
inclination angle of wind
