1) ESDD forecasting
等值附盐密度预测
2) equivalent salt deposit density(ESDD)
等值附盐密度
1.
The equivalent salt deposit density(ESDD) is the basis of defining pollution classes and mapping pollution areas.
等值附盐密度是确定污秽等级和绘制电网污区分布图的主要依据,但是,它易受测量用水量的影响,且测量只能在停电状态下进行。
2.
The adaptability of external insulation disposition is dealt with,and the equivalent salt deposit density(ESDD) of insulator producing grave series arc is measured.
针对外绝缘配置的适应性进行了探讨,测定了产生严重串弧的绝缘子的等值附盐密度,结合在线监测到的泄漏电流、环境变化情况以及绝缘子表面积污不均匀分布试验,分析了等值附盐密度在划分污秽等级时的局限性,认为酸雾及沿海盐污等动态污秽虽然不以沉积方式滞留在绝缘子表面,但会加速外绝缘的降低;同时证实了环境相同、爬电距离和高度相等的情况下,瓷质双伞绝缘子的耐污水平优于钟罩玻璃绝缘子,涉及到有效利用系数的问题。
3) equivalent salt deposit density
等值附盐密度
1.
In this paper, the surface pollution deposit law of DC insulator shed, the influence of rainfall on pollution deposit (equivalent salt deposit density, ESDD) and non-soluble deposit density (NSDD), unevenness of pollution between top and bottom surface, du.
利用自建的自然污秽试验站,对自然条件下带直流电压运行2个积污季节的复合绝缘子的积污特点进行了试验研究,分析了直流绝缘子的伞裙表面积污规律、降水对积污(等值附盐密度(equivalent salt deposit density,ESDD)和不溶性污秽物质密度(non-soluble deposit density,NSDD))的影响,表面污秽不均匀度、表面灰盐比、ESDD和NSDD的直交比等。
4) ESDD
等值附盐密度
1.
EXTRAPOLATION OF INSULATOR S ESDD BASED ON CLIMATE FACTOR WITH ARTIFICIAL NEURAL NETWORK;
用神经网络预测基于气象因素的绝缘子等值附盐密度
2.
The influences such as equivalent salt deposit density (ESDD), the flashover voltages, .
为提高泄漏电流评估绝缘子污秽度的可靠性,综述了污秽绝缘子泄漏电流特性问题20余年的研究成果,其内容包括临闪前泄漏电流和污闪电压的关系;在运行电压下及绝缘子表面污层饱和受潮时泄漏电流和放电现象间的关系;泄漏电流和等值附盐密度(ESDD)、绝缘子形状、片数、污秽状况以及污闪电压的关系;以及在绝缘子表面污层未达到饱和受潮条件时泄漏电流和雾浓度、相对湿度、ESDD间关系的研究。
3.
Based on laboratory simulation experiments of the contaminated silex sensor and insulator,aiming at the com- plicated nonlinear relationship between the luminous flux attenuation and various factors,the luminous flux attenua- tion,environmental humidity and ash density are chosen as three input variables,the ESDD is chosen as output vari- able,and an intelligent prediction model using least sq.
本文介绍了利用光纤技术在线检测绝缘子盐密的基本原理,并在对受污石英玻璃棒和绝缘子进行试验研究的基础上,针对光通量衰减与盐密、环境湿度和尘埃比率之间复杂的非线性关系,利用最小二乘支持向量机,建立了以光通量衰减、环境湿度、尘埃比率等3个变量作为输入参数,等值附盐密度作为输出参数的智能预测模型,并通过部分实验数据验证了模型的有效性。
5) equivalent salt density
等值盐密度
6) ESDD
等值盐密
1.
STUDY ON THE METHOD OF ESDD ON SITE MEASUREMENT;
等值盐密现场测量方法的研究
2.
The contribution of CaSO 4 in insulator surface dirt to equivalent salt deposit density (ESDD) is quantitatively calculated and verified by comparing measured flashover voltages with calculated ones.
定量计算了CaSO4对等值盐密(ESDD)的贡献,并通过比较闪络电压Uf的实测值与计算值给出了间接验 证。
3.
More than 40 110 kV silicone rubber composite insulators,whiell have been used in Jiamusi grid,Northeastern part of China for about 10 years,howe been tested using internationally commonly used methods for appearance,ESDD,NSDD,and water hatred with a lot of test data accumulated and some laws discove.
对在我国东北地区佳木斯电网中运行了近10年的40余只110kV的硅橡胶合成绝缘子按国际通行方法进行了全面的外观检测、等值盐密(ESDD)、等值灰密(NSDD)测试和憎水性能评估等4个方面的研究。
补充资料：发育进度预测法(见发生期预测)
发育进度预测法(见发生期预测)
发育进度预测法见发生期预测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条