Effects of pressure in the dielectrometry measurement of moisture content in pressboard 绝缘纸板微水分介电测量压力试验及电路分析
The fringing field dielectrometry sensor serves as a key factor in the moisture on-line measurement system. 绝缘纸板微水分测量系统研究的关键之一是边缘场电容式传感器。
In order to enrich this technique, from the mechanisms of dielectric polarization and loss, several aspects about dielectrometry technique to detect moisture content in pressboard are researched in this thesis, including the dielectrometry theories and development of the moisture one-line measurement system. 本论文从绝缘材料的介电极化及介电损耗机理出发,就介电测量技术用于绝缘纸板中的微量水分测量所涉及的多方面理论基础及测量系统的开发方法进行了研究探索。
Experimental Research on Measurements of Moisture in Pressboard under Combination of Dielectrometry and Weighing-up Methods 介电法结合称重法检测纸板微水分的实验研究
By designing the fringing field dielectrometry sensor, the issues about dimensions of measured materials, electrodes, substrate, channel number, penetration depth, signal strength and installation should be considered. 根据被测对象结构尺寸、电极及基片、通道数、穿透深度、信号强度和便于安装几方面要求设计边缘场电容式传感器。
The figures of merit and design demands of the fringing field dielectrometry sensor are introduced. 论文在介绍了边缘场电容式传感器的技术要求及设计理念的基础上。
The on-line monitoring used in the process of drying of pressboard is discussed by dielectrometry and weight-loss method. 采用介电法与称重法结合试验的方法对绝缘纸板在线干燥过程进行研究。
The dielectrometry technique, which is not yet mature, can be used to detect moisture content in pressboard. 介电测量方法适合于变压器绝缘纸板中的微量水分诊断,但该技术尚未成熟。