雾霾模拟方法及其装置研究

发布时间：2018-05-27 05:18

本文选题：雾霾 + 输变电设备外绝缘　；参考：《高电压技术》2014年11期

【摘要】：雾霾条件下输变电设备外绝缘特性及配置原则的研究逐渐受到重视,但目前开展得并不深入。为了模拟雾霾试验条件,采用有机玻璃制作了直径1 m高2 m的圆柱形封闭式试验装置。配合试验装置,使用燃烧法产生的微粒与超声波加湿器产生的盐雾模拟雾霾成分,使用激光粉尘仪、气溶胶粒径谱仪、温湿度计、电导率仪等设备监测试验区域的颗粒物浓度、粒径分布、温湿度等参数指标,并提出了模拟雾霾环境的方法与雾霾条件下的试验方法。试验中,通过控制加湿时间、燃烧量和雾水溶质质量来改变相对湿度、雾霾体积质量和雾电导率,模拟出了相对湿度范围在80%~90%、雾霾体积质量范围在200~600μg/m3、雾电导率范围在1 000~3 000μS/cm及气溶胶粒径分布集中于0.25~2μm的多种雾霾环境。试验结果表明,使用该试验装置能产生各种程度、条件可控的雾霾试验环境,可用于探究雾霾对输变电设备外绝缘的影响规律。
[Abstract]:Under the condition of haze, the study of external insulation characteristics and configuration principle of transmission and transformation equipment has been paid more and more attention, but it has not been carried out in depth. In order to simulate the haze test conditions, a cylindrical closed test device with a diameter of 1 m and a height of 2 m was fabricated by using organic glass. In conjunction with the test device, the haze composition was simulated by using the particles produced by the combustion method and the salt mist produced by the ultrasonic humidifier, and the concentration of the particles in the test area was monitored by the laser dust meter, the aerosol particle size spectrometer, the temperature and humidity meter, the conductivity meter, and so on. Particle size distribution, temperature and humidity, and so on. The method of simulating haze environment and the test method under haze condition are put forward. In the experiment, the relative humidity, the volume mass of haze and the conductivity of fog were changed by controlling the humidification time, the amount of combustion and the mass of aerosol solute. The results show that the relative humidity ranges from 80 to 90, haze volume and mass range from 200 to 600 渭 g / m, fog conductivity range from 1 000 to 3 000 渭 S/cm, and aerosol particle size distribution is concentrated at 0.25 渭 m in a variety of haze environments. The test results show that the haze test environment with various degrees and controllable conditions can be used to study the influence of haze on the external insulation of transmission and transformer equipment.
【作者单位】：清华大学深圳研究生院;国网河南省电力公司电力科学研究院;
【基金】：国家重点基础研究发展计划(973计划)(2011CB209406)~~
【分类号】：X513;TM852

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