电容器是一种全密封设备，其绝缘老化状况的判定十分困难。
It is very difficult to predic insulation ageing of the power capacitor because it is a complete closed equipment.
在检查电路时，应重点检查电线的绝缘层是否发生软化、老化、裂损。
In a circuit, check key check whether the insulation wiring occurs, aging, soften crack damage.
变压器内绝缘纸中的含水量是影响变压器寿命的因素之一，对变压器的老化有着明显的负面影响。
The water content in insulating paper in transformer is the one of factor that affects transformer life, which has obvious negative influence for the ageing of transformer.
本文试图根据电容器极对壳绝缘的局部放电试验结果，对其绝缘老化进行判断。
This paper tries to predict the insulation ageing of power capacitor according to the pole-to-case partial discharge test.
选择陶瓷是因为它暴露在气象条件中时的抗老化能力、绝缘强度大以及雨中的清洗保洁能力。
Porcelain is chosen because of its resistance to deterioration when exposed to the weather, its high dielectric, and its ability to wash clean in rain.
变压器的预警系统、现场诊断、趋势分析、状态检修是寿命管理的内容，防止变压器绝缘老化是关键。
With the prevention of insulation aging as the key, service life management for transformers includes transformer fault forecast, on the spot fault diagnosis, trend analysis and state examination.
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.
门电机担负着电梯门的动力驱动，若电机过热，会加速绝缘材料老化，缩短电机的使用寿命。
The elevator door was driven by door motor. If the motor was over heated, it would speed up the ageing of insulating material and shorten the life of the motor.
指出对高压电缆附件和缺乏径向防水构造的XLPE电缆需重视绝缘老化问题。
It is indicated that great attention should be paid to the insulation ageing problem on HV cable accessories and XLPE cables lacking radial waterproofer.
笔者以充油电缆绝缘结构为研究对象，采用红外光谱分析技术对不同热老化阶段的电缆油油样进行了理化分析。
In this paper, the high voltage oil-filled cable insulating structure is investigated, and the infrared spectral analysis is used to analyze the cable oil samples in different thermal aging stages.
这些数据及曲线的获得对理解聚合物电老化机理和绝缘材料的合成改性提供重要参考价值。
These data and curves provide very important reference value to understand the electrical degradation mechanism of polymers and synthesis modification of insulation materials.
本文通过实验验证了这种憎水性老化过程十分缓慢，不会对合成绝缘子的安全运行构成威胁。
In this paper, it is proved experimentally that this kind of aging is very slow, and can not threaten the service safety of overhead lines.
有优良的电气性能和稳定的化学性能，因此绝缘材料不老化，电性能不下降，使用寿命大于30年。
So this insulation material has the properties of anti-aging and less power reduction and the service life of the material is over 30 years.
引入统计学的多元分析方法对绝缘进行诊断，研究油纸绝缘材料老化程度的识别问题。
The multivariate statistical method is introduced in this paper to diagnose insulation performance and identify its aging stages.
从实际应用角度出发，文章最后简要的介绍了由水树引起的绝缘老化的诊断方法。
The diagnostic methods for aged insulation due to water treeing are briefly described from the point of view of practical application.
对国内外部分高压交联聚乙烯(XLPE)电缆系统的绝缘损坏作了统计，分析了电缆及其附件绝缘老化原因和形态，叙述了XLPE电缆绝缘老化的机理。
With the statistics on insulation damages of some HV XLPE cable systems at home and abroad, the causes, modes and mechanisms of insulation ageing of XLPE cables and their accessories are analyzed.
局部放电是评定高压电器设备绝缘老化程度的重要参数。
Partial discharge is important parameter for evaluating insulation ageing of high voltage electric appliance and equipment.
检测变压器油中糠醛含量是判断变压器绝缘纸老化程度的有效方法。
Detection of furfurol content in transformer oil is an effective method to judge the aging degree of insulated paper in the transformer.
对电力电容器用绝缘材料的热老化规律，以及它与热性能的区别进行了讨论。
The article discussed thermal aging rule of insulating material of power capacitor and the difference between thermal character and aging.
针对大型电机排间绝缘可能发生的绝缘老化或故障情况，分别采用了等效和实际处理的方法对其进行了分析。
The cases of aging and fault for row insulation of large scale machine take place often, the equivalent and practice method are used to dispose the row insulation respectively.
材质：采用UL认证之尼龙66料制成，防火等级94v - 2，耐酸、耐蚀、绝缘性好，耐久性、不易老化、承受能力强。
Material: Nylon 66 certificated by ul, fire-proof standard: 94v-2. Acid and erosion proof, Insulation well, Anti-aging, Hight tensile strength.
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.
以及绝缘介质是如何在热、机械应力和脉冲电压的作用下老化继而失效的。
Secondly, discuss the influence of the electrical, thermal and mechanical aging -on insulation degradation.
介绍了干式变压器绝缘树脂的老化理论及热老化实验原理。
In this paper, the aging theory of the insulation resin and the experiment principle of heating aging are introduced.
结合近年来国内外相关文献阐述发电机绝缘老化机理，并提出用统计过电压参数与运行记录相结合的方法，推定绝缘剩余寿命。
Based on the insulation aging theories in recent years, the method combining statistic overvoltage parameters with operational records is proposed to estimate the residual life of insulation.
当这些淤积和堵塞发生，可能会因为过热和绝缘老化导致电机严重损坏。
High-voltage electric field combined with high temperature may lead to thermal breakdown and ageing of insulator for ESP.
本文把动态力学分析用于大电机环氧云母绝缘的老化状态诊断。
Dynamic mechanical analysis was applied to the aging assessment of stator insulation.
雷迪公司的线缆故障测试产品能快速定位线缆断裂和绝缘层老化。
Radiodetection's cable test products quickly locate problems such as breaks or deteriorating insulation.
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