讲述了光纤温度传感器用于在线测量高压电气设备内部绝缘温度的原理和方法,并说明这种测量方法在实际应用中的意义。
The principle and method of measuring the internal temperature of insulator of online HV equipment by optical temperature sensor is described, and the advantages of the method in practice are given.
在右侧的黑色绝缘胶带下,是一个感应金属杆的外界温度的传感器。
On the right, under black electrical tape, is a sensor for ambient temperature taken from the metal pole.
这个主要取决于内外空气的温度差、绝缘层的类型和厚度以及传导面的面积。
It is dependent on the temperature differential between the inside and outside air, type and thickness of insulation, and the area of the conducting surfaces.
太阳能连接软管可以简便地从温度传感器连接到控制器,他除了软管和绝缘层外,还附加了一个电缆。
Also to ease making the connection from collector temperature sensor to control unit, a double-tipped silicon cable is attached besides the hose and insulation.
为了安全起见,列车配备了更新的故障诊断和远程控制系统,来监测关键部位的温度、压力和绝缘性。
For the sake of security, the train is equipped with updated fault diagnosis and remote control systems, which monitor the temperature, pressure and insulation of key segments.
腔体厚度以及腔体和金属电极之间的绝缘气体层厚度的变化,对放电区的温度分布也会产生一定的影响。
Besides the above factors, the thickness of the metal crust and the insulated gas width between the crust and metal electrode will also affect the temperature distribution to some extent.
它具有优良的密封性能和绝缘性能,主要使用于特别潮湿的环境当中,起温度控制和过温保护的作用。
It has good airproof and insulation performance, mainly used in very moist environments to control temperature and prevent paranormal temperature.
准备工作完成以后,通常将样品放在具有温度和湿度控制的环境中。在放入此环境之前、之中和之后都要对样品进行绝缘电阻测量。
After preparation, insulation resistance measurements are typically made before, during, and after the samples are placed in an environment with controlled temperature and humidity.
通过考虑混凝土构件的温度等高线可以研究混凝土的绝缘性能。
The insulation qualities of concrete can be studied by considering the temperature contours through concrete members.
研究出一种脱离桐马路线的新型大电机模压主绝缘用环氧玻璃粉云母带,其结构温度指数为173.6。
This paper describes the development of a type of non-bismaleimide fiberglass mica tape with a temperature index of173.6, which is intended for moulding main wall insulation of large motors.
该冷却器高度绝缘,带有液氮容器,保持样品的气相温度。
This system combines a highly insulated cooler with a liquid nitrogen reservoir so to maintain temperature sensitive samples at vapor phase temperatures.
本文介绍了交联聚乙烯电力电缆的水树老化机理及含水树电缆的绝缘特性,并分析了交联聚乙烯电缆连接头中温度指标重要性及其与水树的关系。
This paper introduces water tree aging theory of XLPE cables and insulated characteristic of water tree aged XLPE cables. Temperature of XLPE cable joint and relation with water tree are analyzed.
对电缆接头故障进行了一些有益的分析,提出了一种间接在线评估接头电阻和绝缘老化的算法,从理论上验证了接头温度与接头质量的相关性。
Instructive analysis on power cable junction faults is carried out and an algorithm for indirect on line measuring of cable junction resistance and insulation aging is proposed.
摘要:对电缆接头故障进行了一些有益的分析,提出了一种间接在线评估接头电阻和绝缘老化的算法,从理论上验证了接头温度与接头质量的相关性。
Abstract: Instructive analysis on power cable junction faults is carried out and an algorithm for indirect on-line measuring of cable junction resistance and insulation aging is proposed.
对电缆接头故障进行了一些有益的分析,提出了一种间接在线评估接头电阻和绝缘老化的算法,从理论上验证了接头温度与接头质量的相关性。
Instructive analysis on power cable junction faults is carried out and an algorithm for indirect on-line measuring of cable junction resistance and insulation aging is proposed.
ELANTAS三防漆绝缘特性、介电强度、体积电阻、耐压冲击、温度特性均达优良等级。
Insulating properties, dielectric strength, volume resistance, pressure, shock resistance, and temperature characteristic of ELANTAS conformal coatings all achieve excellent level.
一种低温导热绝缘胶粘剂用于氢氧发动机系统表面温度传感器的端封和胶接安装。
The adhesive of low temperature heat conduction and insulation is utilized to the seal end and bend to install the surface temperature sensor of the hydrogen oxygen engine system.
所谓变压器线圈热点是出现在线圈绝缘系统某部位的最高温度。
Transformer coil is the so-called hot spots in the coil insulation system of a site the maximum temperature.
通过实验得到了绝缘树脂的热老化性能参数,如温度指数等,验证了绝缘树脂耐热等级的可靠性。
Then the properties parameters, such as temperature index, are gotten by experiment. The reliability of insulation resin with heat-resistant class is verified.
根据电解车间内多粉尘、磨损性、高温度、强磁场的恶劣工作条件,有针对性地设计了两层至三层绝缘层。
Based on diverse working condition featured by dust, abrasiveness, high temperature and strong magnetic field, two or three layers of insulation is considered when designing.
针对中压开关柜,以温度、机械和绝缘状态为监测对象,研制开发了一套在线监测装置。
For monitoring temperature, insulation and mechanism of medium voltage switchgear, an on-line monitoring system was developed.
标有温度的示温蜡纸贴在支柱绝缘保护罩上。
A wax paper marked with temperature scales is pasted on the pillar insulated shield.
预热区使用加热器加热,温度可控,可满足各种绝缘需求。
Preheating zone with taper design, use heaters heating, temperature can control, can meet all kinds of insulation varnish requirements.
同时,分析了电解系统温度条件以及沸水封孔工艺对强化铝绝缘膜的物理性质和电绝缘强度的影响。
At the same time, the influences of temperature condition in electrolysis system and sealing method with boiling water on the film's physical quality and electric insulating intensity were revealed.
本发明用以测量温度梯度场下高压直流电力设备绝缘中的空间电荷的分布。
The invention is used for measuring the distribution of the space charges in the high-voltage direct current power equipment insulation in the temperature gradient field.
制冷器一种为迅速制冷和贮藏易腐坏的食物而保持着零度以下温度的热绝缘分隔间,柜子或房间。
A freezer is a thermally insulated compartment, cabinet, or room in which a subfreezing temperature is maintained for the rapid freezing and storing of perishable food.
制冷器一种为迅速制冷和贮藏易腐坏的食物而保持着零度以下温度的热绝缘分隔间,柜子或房间。
A freezer is a thermally insulated compartment, cabinet, or room in which a subfreezing temperature is maintained for the rapid freezing and storing of perishable food.
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