大型发电机绝缘局部放电在线监测对传感器的灵敏度、抗干扰能力都有着较高要求。
The on-line monitoring of partial discharge in large-scale generator insulation has a high requirement on sensitivity and anti-interference of sensor.
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.
用射频技术与模糊诊断技术对发电机绝缘状态监测,已经取得一定的实际应用效果,并在实践中逐渐显露出它对状态维修的贡献。
The insulation monitoring to generators with the technology of radio frequency and fuzzy diagnosis is a contribution to condition-based maintenance, which has been confirmed in practice.
发电机的绝缘怎么样?是否处于良好状态?
How about the insulation of the generator? Is it in good order?
在雨天,发电机的绝缘电阻常常降到0.5兆欧以下。
On raining days, the insulation resistance of the generator often drops below 0.5 megohm.
g在汽轮机不同转速时,测量发电机转子绕阻的绝缘电阻及交流阻抗,功率消耗。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
定子绝缘是阶级乙这些发电机是优雅的外观,严密施工,并易于维护。
Stator insulation is class B. These generators are elegant in appearance tight in construction easy maintenance.
介绍了三峡左岸电站水轮发电机定转子绕组绝缘材料的国产化研究成果和实际应用情况。
This paper describes the study results and actual application instances of national-made insulation materials of the stator and rotor windings for Sanxia Left Bank Power Plant Generators.
发电机的寿命在很大程度上取决于线圈绝缘的维护。
The life of generator is in a great extent decided by maintenance for coil insulation.
应用混合计算智能方法,进行大型发电机定子绝缘击穿电压预测以对其剩余寿命进行评估。
A hybrid computing intelligence approach was used in the residual life prediction of large generator stator insulation.
简要介绍采用高绝缘低沸点介质替代水内冷介质,用于汽轮发电机定子绕组内部冷却的原理。
This paper presents the inner cooling theory that use the high insulating property and low boiling point materials instead of water as coolant in turbo-generator's stator windings.
三号发电机的绝缘电阻太低,请校正。
The insulation resistance of No. 3 generator is too low. Please rectify it.
发电机的绝缘怎么样?
减薄后的定子线棒绝缘达到了国外先进水平,满足了三峡发电机设计制造的要求。
The thinned insulation of stator bars reaches the advanced world level, and meets the requirements of designing and manufacturing the generator for Three Gorges.
这些技术的开发应用,有效地解决了高海拔条件下水轮发电机材料的选取、通风冷却计算、绝缘防晕及电气性能等技术难题。
The development and application of these new techniques can effectively solve the problems on generator material selection, vent cooling calculation, insulation anti-corona and electric performance.
本标准适用于交流发电机、同步调相机和交流电动机定子线圈及绕组绝缘交、直流耐电压试验。
The standard is applicable to stator coil and winding insulation alternative and direct current voltage withstanding test for AC generator, synchronous phase modifier and AC motor.
简要介绍了我公司引进瑞士ABB公司的空冷汽轮发电机转子槽绝缘制造国产化所采用的材料及生产工艺。
This paper briefly introduces the raw material and manufacturing process used for rotor slot insulation home-production for air cooled turbo generator with ABB technology of Switzerland.
随着远距离输电线路电压等级的提高,大型电站中的操作过电压威胁着大型发电机的绝缘安全。
With the increment of working voltage for the long-distance transmission line, the switching overvoltage in large power stations is threatening the insulation safety of large generators.
研究了大型发电机的绝缘结构。
This paper studies the structure of the generator' insulation.
岭澳核电发电机安装完成后,需要在现场做交、直流耐压试验,以检验发电机的绝缘特性。
The Ling'ao nuclear power generator should carry out the AC and DC withstand voltage tests to check the insulation performances of the unit after finishing the erection work on site.
定子绝缘是阶级乙这些发电机是优雅的外观,严密施工,并易于维护。
B. These generators are elegant in appearance tight in construction easy maintenance.
现场绝缘监测单元能通过对漏电流的监测,实时的在线监测交流380v电网的绝缘情况和离线测量发电机组的绝缘电阻。
By the monitoring of the leakage current, the on-line 380v grid insulation conditions and the off-line insulation resistance can be monitoring in real-time.
用途1可供织造复合云母布、带、管等,用于大中型发电机和各类电动机的内绝缘材料。
Uses: It is a basic material for manufacturing glass-mica colth tape and pipe etc. and also could be used as insulation colth in large motors and generators.
用途1可供织造复合云母布、带、管等,用于大中型发电机和各类电动机的内绝缘材料。
Uses: It is a basic material for manufacturing glass-mica colth tape and pipe etc. and also could be used as insulation colth in large motors and generators.
应用推荐