1) solid insulation ageing
固体绝缘老化
1.
Comparing the methods of ageing diagnosis of solid insulation,it was found that measuring the furfural content in transformer oil is an effective method for evaluating the state of solid insulation ageing.
通过对基于固体绝缘老化诊断方法的对比,得出检测电力变压器油中糠醛浓度是评价固体绝缘老化状态的有效方法之一。
2) insulation aging
绝缘老化
1.
Throughout analyzing the XLPE power cable insulation aging caused by the water tree,the on-line monitoring system design based on the difference frequency is presented.
通过对电力电缆水树枝引起的绝缘老化原因的分析,提出了基于差频法的在线监测系统的设计方案。
2.
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.
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。
3.
Based on an analysis of the characteristics of traction loads and the mechanism of insulation aging, a new relationship equation between loss-of-life of insulation and temperature rises of the coiling hotspot (TRCH) is proposed.
在分析牵引负荷特点和变压器绝缘老化机理的基础上,提出了绕组热点温升与牵引变压器绝缘寿命损失之间的关系式。
3) Insulation ageing
绝缘老化
1.
Comments on HV XLPE cable insulation ageing and its diagnostic techniques;
高压交联聚乙烯电缆绝缘老化及其诊断技术述评
2.
This paper introduces the module of transformer insulation ageing by means of on-line monitoring analysis.
详细介绍了变压器绝缘老化在线检测分析模型,叙述并分析了人工神经网络(TFDANN)在变压器绝缘老化程度诊断和寿命评估方面应用的可行性和有效性。
4) insulation deterioration
绝缘老化
1.
The results of fault analysis showed that the factors causing the DC feeder cable faults were mainly the insulation deterioration caused by moisture and electric force,inadeq.
因此以上海轨道交通直流馈出电缆故障为例,分析了直流电缆故障原因,分析结果表明诱发电缆故障的因素主要有水分引起的绝缘老化、电动力及外力引发、敷设曲率半径不够引发以及高频脉冲引起的绝缘老化。
5) solid insulation
固体绝缘
1.
On chemical supervision of transformers solid insulation;
浅议变压器固体绝缘的化学监督
2.
Design and analysis of insulation structure of solid insulation switchgear
一种固体绝缘开关柜绝缘结构的设计与分析
3.
In order to analyze and evaluate the danger of partial discharge of void defect discharge in solid insulator,this paper establishes a model of common void defect discharge in solid insulation,and investigates development and pulse waveform of discharge in void with different dimensions.
为了分析和评估固体绝缘中气隙缺陷局部放电的危害,提高局部放电检测的工程应用水平,试验研究了固体绝缘单一气隙缺陷模型;测量了不同模型试品的局放起始电压、起始放电量及放电信号波形;分析了固体绝缘内部气隙缺陷的几何尺寸对局放特性的影响;考察了不同几何尺寸缺陷放电的发展过程和脉冲电流波形特征,发现不同尺寸缺陷结构的放电特性有所差异;归纳了不同场强下气隙放电的变化规律。
6) non-aging insulation
抗老化绝缘，不老化绝缘
补充资料：绝缘老化
| 绝缘老化 insulation，ageing of 因电场、温度、机械力、湿度、周围环境等因素的长期作用，使电工设备绝缘在运行过程中质量逐渐下降、结构逐渐损坏的现象。绝缘老化的速度与绝缘结构、材料、制造工艺、运行环境、所受电压、负荷情况等有密切关系。绝缘老化最终导致绝缘失效，电力设备不能继续运行。引起绝缘老化的原因可归结为电的作用、热的作用、化学作用、机械力作用和湿度的影响等，它们个别称电老化、热老化、化学老化、机械力老化和湿度老化等。在电力设备绝缘制造和运行时，可采取相应措施，以减缓绝缘老化的过程和延长电力设备的使用寿命。 |
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