The fault discharge of large generator winding is the important reason for the damages.
大型发电机定子绕组的故障放电是造成大型发电机损坏事故的重要原因。
The on-line monitoring and diagnosis system for large generator stator windings partial discharge is presented.
提出了一种用于现场的发电机局部放电在线监测系统的实现方案。
A hybrid computing intelligence approach was used in the residual life prediction of large generator stator 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。
The breakdown voltage plays an important role in predicting remaining life of the large generator ground wall insulation.
击穿电压在大电机主绝缘寿命评估中有着重要的作用。
It is suggested that the additional voltage adjustment for excitation regulator of large generator should be put into service.
建议大型发电机组励磁调节器应投入附加调差。
On-line partial discharge monitoring is one of the most effective methods for winding insulation diagnosis of large generator stator.
局部放电测量是诊断定子绕组绝缘最为有效的方法的之一。
Along with the universal application of large generator, the enclosed bus with big current for generator outgoing line is adopted extensively.
随着大容量发电机的普遍应用,发电机出线的大电流封闭母线也被广泛采用。
This paper introduces the application of the failure self-diagnose to the exciting system of large generator unit and analyzes the working process.
本文介绍了励磁故障自诊断在大机组励磁系统中的应用,分析了该功能的动作过程。
Dielectric dissipation parameters and partial discharge parameters of stator bars with different operating years in large generator were studied in this paper.
研究了不同运行年数的大电机定子线棒的介电参量和局部放电参量,分析了这些参量随运行年数的变化关系。
A new ultrasonic testing system has been developed for application to stator insulation of large generator. It provides A-scan signals and C-scan map for tested specimen.
自行研制了大电机定子绝缘超声波检测系统,它能同时显示被测试样的A扫描脉冲回波和C扫描平面图。
The special microcomputer software for calculation of slot electric field is worked out with fe method, and the field distribution in stator slot winding of large generator is calculated.
采用有限单元法,编制了适用于微机系统的槽部电场计算专用软件,计算了大型发电机定子线圈槽部电场的分布。
This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍 ,对端部绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。
Faced with this situation, we need to improve the situation of large consumption caused by a large generator, the problems that impact the life of DC electric drill collecting ring are discussed.
面对此情况,我们必须对直流电动钻机由无功功率大而引起的发电机功率消耗大的现状加以改进。对影响直流电动钻机集电环使用寿命的问题进行了探讨。
In order to protect transformers of the large generator-transformer unit in power systems, the paper puts forward a kind of new principle of transformer protection based on break-variable of current.
本文针对当前电力系统中大型发变组保护中的变压器保护提出了一种基于电流突变量的保护新方案。
This shows, and carry out large turbine generator fault diagnosis technology research is very necessary.
由此可见,开展大型汽轮发电机组的故障诊断技术研究是非常必要的。
The water falls down through large pipes to a generator in the power station.
水通过电站里的大管道到达一个发电机。
Nuclear energy would require an extremely large and expensive generator which would produce a lot of unneeded power. Therefore, nuclear energy would prove inefficient.
而原子能电站需要极其大的规模且造价昂贵,又产生过多不需要的能源,因此没有必要建设原子能电站。
In this article, we discussed the output capability of the typical impulse voltage generator with a large capacitance load or a small inductance load, and the synchronization capability.
本文分别讨论了常规冲击电压发生器在大电容负载和小电感负载下的输出特性,和不同级球隙过电压的同步特性。
The paper a applied method, which can determine the position of rotor rum short-circuit point for large turbo generator easily and reliably.
介绍了一种确定大型汽轮发电机转子匝间短路点位置的方法,该方法简单快捷、实用可靠。
The excitation system parameters of large synchronous generator have great effects on modern power system stability studies.
大型同步发电机的励磁系统参数对电力系统稳定研究起着重要的作用。
Electricity is produced by spinning large magnets inside a coil of wire within the generator.
电是靠使大型磁铁在发电机内的线圈里面转动而产生的。
With the adjustment of power supply policy, more attention has been paid to the large combined cycle generator units.
随着我国的电源结构的调整,大型联合循环发电机组受到越来越多的关注。
For large gas-turbine generator or single-shaft units which is started with synchronized motors 2 sets of SFC devices with mutual stand-by should be provided for 2 or 3 generators.
对于以同步马达运行方式启动的大型燃气轮发电机或单轴机组的发电机,每2台或3台发电机装设2套互为备用的SFC装置。
Out of Phase Shunting of large turbo generator sets is an often met with fault in power systems, which constitutes a vital factor effecting safe operation of the set.
非同期并列是大型汽轮发电机组常见的电力系统故障之一,对机组的安全运行甚为关键。
The torsional vibration of the large scale turbo -generator shaft system is the responsive result of the mechanical-electrical coupling.
大型汽轮发电机组轴系扭振是发电机机械系统与电网系统相互耦合作用的结果。
This paper describes the development of a large amplitude nanosecond pulse generator.
本文叙述一种大幅度纳秒脉冲发生器。
The protection schemes for the large ultra-supercritical turbo-generator will suffer the disadvantage of low sensitivity as it has the high reactance and low resistance.
由于结构设计的原因,综合性能较好的一些保护方案如横差保护和不完全纵差保护等将不能应用于大型超临界汽轮发电机。
The calculation of the temperature field of large synchronous generator is the main means analyzing the heat of generator.
发电机温度场计算是研究发电机发热的主要手段。
Low alloy heat-resistant steel is widely applied to large steam turbine generator equipment.
低合金耐热钢广泛应用于大功率汽轮机等发电设备中。
Low alloy heat-resistant steel is widely applied to large steam turbine generator equipment.
低合金耐热钢广泛应用于大功率汽轮机等发电设备中。
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