Research on the application of polyester film-backed dry mica tapes to the thin main insulation of high-voltage motors;
单面聚酯薄膜补强少胶粉云母带在高压电机主绝缘中的应用研究
Compensation function of electrostatic ring in the main insulation constuction of power transformer and formation of ending oil wedge is expounded in this paper.
论述了变压器主绝缘结构中静电环的补偿作用,端部“油楔”的形成,其消除措施是适当缩短垫块的宽度,设计静电环的形状时主要确定其电极的曲率半径ρ和绝缘层厚度t,使二者比例合适。
In this paper,the structures of stator core insulation,Robel bar insulation,main insulation,stator fixation in slot,turn to turn insulation and body insulation are studied,and they accord with the requirements of CGE Company,also they have the world level.
本文主要对定子铁心绝缘、Robel线棒绝缘结构、主绝缘结构、定子槽部固定结构、转子匝间绝缘结构及极身绝缘结构等进行了重点研究。
Study on temperature spectrum of dielectric dissipation during multi-stress aging of large generator stator insulation;
大型发电机主绝缘多因子老化过程中介损温谱的研究
The state of the art of the research on stator insulation of the large-size hydro-generator is investigated.
在分析国内外大型水轮发电机主绝缘状态监测与诊断研究现状的基础上,针对主绝缘诊断与监测系统中所存在的问题,利用信息集成技术,提出了大型水轮发电机主绝缘综合诊断系统解决方案——以局部放电监测为中心,综合利用计算机监控系统、其他相关监测单元、在线巡检量和离线试验检修指标等相关信息进行综合诊断分析。
Although it is very difficult to apply acoustic techniques to the detection of stator insulation in large generators for its materials and complicate structures, some of these acoustical techniques are successfully utilized.
由于大型发电机主绝缘材料的特殊性和结构的复杂性 ,使得声技术在主绝缘检测中的应用具有相当大的困难。
The aging mechanism of stator winding insulation of large generator is analyzed.
分析了大电机主绝缘老化的机理,系统研究了在不同老化因子作用下局部放电分布图中统计参数偏斜度Sk和峭度Ku随老化时间的变化规律,发现放电量的相位分布图(φ-q)中Sk值由正变为负的过程可用于对大电机主绝缘的老化状态进行诊断。
In actual operation, the large motor stator winding insulation experiences various stresses, such as electrical, thermal and mechanical stress, and its dielectric strength deteriorates.
大型电动机在长期的运行过程中 ,要遭受电、热、机械等多因子应力的联合作用 ,使主绝缘逐渐老化。
Stator bars may get into vibration fiercely caused by the electromagnetic force due to the existence of loose wedges in large generators,which would accelerate the deterioration of the groundwall insulation even make the generators step into calamity ultimately.
大型发电机定子槽楔的松动会引起定子线棒在电磁力作用下剧烈振动,加速主绝缘劣化甚至导致电机运行事故,因而槽楔的松动检测对电机正常运行有重要意义。
It is stated how to design the structure of oil and barriers for major insulation of oil-filled transformer.
论述了油浸变压器主绝缘结构中的油—隔板结构设计。
Study on the Technique of the Resin Transfer Molding for the Main Insulative Board of the Open Circuit Insulator of the Light Rail;
轻轨铁路断路绝缘器主绝缘板树脂传递模塑成型技术研究
The loosening and dropping out of slot wedges may damage insulation of rotor and stator to cause stator insulation breakthrough.
槽楔松动脱落可能划伤转子绝缘和定子绝缘,造成定子线棒主绝缘击穿。
Research on XLPE Power Cable Main Insulation Conditioning Monitoring and Measuring Methods;
XLPE电缆主绝缘状态检测方法的研究
Main Insulation Research of 800kV Converter Transformer
关于800kV换流变压器主绝缘研究
Technical Characteristics of the Stator Bar Main Insulation of Generators in the Three Gorges Left Bank Power Station
三峡左岸电站发电机定子线棒主绝缘技术特点
Study on Measurement of Partial Discharge in Large Generator Stator Winding Insulation and Its Aging Characteristics;
大电机主绝缘局部放电测量及老化特征研究
Analysis on Breakdown of Main Insulation on Middle Joint of 220 kV Power Cable
220 kV电缆中间接头主绝缘击穿事故分析
Optimization and Analysis of Main Insulation Structure in Power Transformer
电力变压器主绝缘结构的优化及影响因素分析
Analytic computation and numerical calculus of transformer main insulation electric field
变压器主绝缘电场的解析计算与数值计算
Study on Breakdown Voltage of Large Generator Ground Wall Insulation Based on BP Neural Networks;
基于BP神经网络的大型发电机主绝缘击穿电压研究
isolator (-ter)
绝缘体;绝缘体;绝缘物;绝缘物;绝缘子;绝缘子
compound filled insulator
填充绝缘化合物绝缘子
It is mainly applied in voltage power cables and control cables.
主要用于中低压电力电缆和控制电缆的绝缘。
Study and Application of the Main Transformer On-line Insulates Monitor in the Second Electric Power Plant of Hancheng;
韩城二电主变压器绝缘在线监测研究与应用
The On-line Insulates Monitor and Studies Application on the Main Transformer of the 220kV Transformer Substation;
220kV变电站主变压器绝缘在线监测研究及应用
Analysis on the Unusual Situation of the Insulation of the Main Transformer in Jueshan 220 kV Substation
220kV珏山变电站主变压器绝缘异常情况分析
Insulation strength: 1500Vmin
绝缘强度:1500伏/分
coiled insulator
(点火)线圈绝缘体
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