电力系统故障限流器技术的研究。
保护区内部的电力系统故障。
保护区外部的电力系统故障。
故障录波数据是分析电力系统故障的重要依据。
Analysis of fault data is an important basis for power system fault.
本论文主要讨论了电力系统故障数据的记录和发布问题。
This paper is mainly to discuss the recording and publishing of fault data of electric power network.
提出了基于停电区域的电力系统故障诊断的一种新方法。
A new method to diagnose the faults in power system is presented based on the power supply interrupted district (s).
对称分量法及其序网联接技术是电力系统故障处理的传统方法。
Symmetrical components method and its sequence network connection technique are conventional way on fault analysis of power system.
近年来的研究表明,遗传算法在电力系统故障测距领域有一定优势。
The recent study indicated that RGA has certain advantages in fault location of power systems.
电力系统故障诊断问题的研究已成为完善电网运行的一项重要课题。
To improve power grid operation, the research on fault diagnosis of power system has been one important task.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
电力系统故障录波数据是电力系统故障分析和保护动作判据的重要依据。
The power fault recording data is the significant basis of fault analysis and protection action judgment in a power system.
本文介绍了一次电力系统故障,分析暴露出的隐患,最后提出合理的解决方案。
This article had introduced an electric power system fault, and analyzed the hidden trouble exposed by the this fault. A reasonable solution was brought forward at the end of the article.
因此,它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
应用该方法对电力系统故障暂态信号进行消噪处理,从而更有利于故障的检测与识别。
This method can be applied to de-noising for transient signals of power system faults, making the faults easily identified.
电力系统故障录波,对分析电网故障、评价保护动作以及故障测距等,均有重要意义。
The faulty waveform recording in power system is important for the analysis of power network fault, the evaluation of protection's operation characteristic, fault location, and so on.
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。
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.
将单层线性前馈网络用于矩阵求逆的方法,应用于电力系统故障计算中,从而简化了计算。
The linear forward feedback perceptron with single layer is used to seek the inverse matrix in failure analysis of power system, so that the calculation is simplified.
电磁式电流互感器在电力系统故障情况下可能发生饱和,常导致继电保护装置误动或拒动。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
电力系统故障模拟与分析系统是一套集故障模拟、录波、分析等功能于一体的微机应用软件包。
Power System fault Simulation and Analysis System is a PCbased software package which includes fault simulating, data acquiring and analyzing.
继电保护装置是一种反应电力系统故障和不正常运行状念,并动作于断路器跳闸和发出信号的设备。
Relay protection is one of device to respond the fault and abnormal circulate situation of electric power system, to make the breaker action and to send out the signal.
面向复杂巨系统即电力系统的故障分析,提出了基于创造力支持系统理论方法实现电力系统故障分析。
Aiming at fault analysis of power system, which is a kind of complex giant system, an analysis method based on creativity support system is proposed.
利用小波变换检测突变信号的原理,可以在电力系统故障发生的瞬间快速检测出电流或电压突变信号。
According to the theory of testing abrupt signals with wavelet transformation, the abrupt signals of current and voltage can be quickly detected when power system faults occur.
黑启动是电力系统故障后迅速恢复的重要措施之一,可减少系统事故损失,满足系统紧急事故备用要求。
Black start - up is one of the important means for quick recovery of electric power system failure, and it can reduce the loss and meet the demand for emergency use.
小波分析(或称小波变换)是一种新的时频分析方法,它具有良好的时频局部化特性,适用于电力系统故障分析。
Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
电力系统故障信息网的建立使调度中心得到越来越多的故障信息,如何有效地利用这些信息已成为一个重要课题。
Dispatch center is getting more and more fault information from the fault information network of power system, and it is important to effectively utilize the information.
本文系统地研究了电力系统故障计算中关于互感线路各种变化情况下的处理方法,导出了网络节点方程的修正计算公式。
This paper presents a method to treat the various changes of lines with mutual conductance for analysis of faulted power systems. The modified formula of node equation of networks have been derived.
本文系统地研究了电力系统故障计算中关于互感线路各种变化情况下的处理方法,导出了网络节点方程的修正计算公式。
This paper presents a method to treat the various changes of lines with mutual conductance for analysis of faulted power systems. The modified formula of node equation of networks have been derived.
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