The restriction of transient voltage dip is a constraint on post fault power system.
暂态电压跌落限制可以考虑为对故障后电力系统的一个约束。
This paper presents the difference of synchronous equilibrium and stable equilibrium of post fault power system.
论述了事故后电力系统的同步平衡与稳定平衡的区分。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电,必须加装剩余电流动作保护装置。
A direct method considering transient voltage dip is proposed to calculate the critical clearing time (CCT) ensuring that voltages of post fault power system are higher than limit.
提出了一种考虑暂态电压跌落限制的直接法,快速求取保证故障后电力系统电压高于限值的故障临界清除时间(CCT)。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性,故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
The spread of no-fault divorce has reduced the bargaining power of whichever spouse is more interested in continuing the relationship.
随着无过错离婚的普及,更愿意继续维系婚姻关系的一方讨价还价的能力有所降低。
"There is no fault nor folly of my life," says Mr. Ruskin, "that does not rise up against me, and take away my joy, and shorten my power of possession, of sight, of understanding.
英国艺术批评家拉斯金曾说:“我的生活中没有什么错误或荒唐行为,能够使我亲痛仇快。 我的快乐、财富、眼界和理解力从未因此而减少分毫。
On top of these misguided policies, Japan was going through its own political turmoil and, through no fault of President Obama's, thus unavailable to help maintain the balance of power.
除了所有这些错误的政策,日本自身正处于政治动荡期,虽与奥巴马总统无关,但也无助于维持力量平衡的大局。
Japan's prime minister, Naoto Kan, demanded a temporary shutdown of the power plant at Hamaoka, an ageing facility near a tectonic fault line.
日本首相菅直人要求暂时关闭滨岗核电站,这座老旧的核电站位于一地壳断层附近。
The fault line between them was drawn by the ability of power to satisfy its whims and ignore the consequences.
权力让他们不顾后果地满足自己的私欲,因而两人出现代沟。
She would not have understood, and she would have replied: "What fault is there of mine in a matter in which I have no power and of which I know nothing?"
她一定听不懂,她也许会回答说:“对某件事我既无能为力也一点不知道,那又怎么会有我的过错呢?”
Even on a single physical server, you can have redundant power supplies, error-correcting RAM, redundant disks, and copious monitoring of pre-fault indicators.
甚至在单个物理服务器上,您都有冗余电源、错误纠正ram、冗余磁盘和丰富的故障前诊断指示器监控。
The transformer fault diagnosis is very important to the safety and economic operation of power system.
电力变压器故障诊断对电力系统的安全经济运行有着十分重要的意义。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息,因而,适用于电力系统的故障信号的检测。
Therefore, the quality of automotive power systems directly affect the normal operation of the car, so the power supply system for the inspection and maintenance of the fault is necessary.
因此,汽车电源系统的好坏直接影响汽车的正常运行,所以对于电源系统的检查及其故障维护是十分必要的。
Because power equipment work in a complex environment, detecting partial discharge signal has been the important part of partial discharge study. Then it affects fault diagnosis of power equipment.
由于电力设备工作环境复杂,局部放电信号的检测一直是局部放电研究重要组成部分,影响着进一步的故障诊断。
The electric voltage echo coefficient provides dependable theories to the power cable fault location.
电压反射系数为电力电缆故障测距提供了可靠的理论依据。
The dynamic fault simulating computation and characteristic analysis of transition process is performed under fault conditions, so the dynamic fault pattern base for whole power system is acquired.
对已发生过或可能出现的故障形式,进行了过渡过程动态故障模拟计算和特性分析,获得了动力系统全系统动态故障模式库。
The fault diagnosis of power equipment can be looked as pattern classification problem. Each fault of power equipment is corresponding to a set of traits.
电力设备的故障诊断可以看成一个模式分类问题,每一个电力设备故障对应一组特征集。
Power System fault Simulation and Analysis System is a PCbased software package which includes fault simulating, data acquiring and analyzing.
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。
It is suited to be used not only in general complex fault but also in the complex fault including interline fault in power system.
它不仅适用于一般复杂故障的计算,还适用于包括同杆多回线跨线故障在内的复杂故障计算。
In the transformer fault diagnosis, the fault can be reflected by different characteristic signal from different side, due to complexity of fault reason and phenomenon of power transformer.
电力变压器发生故障的部位多,故障原因、现象复杂,在故障诊断中,可以通过变压器不同方面的特征信号从不同侧面来反映变压器的故障。
The capable fault is a very important concept during the siting of a nuclear power plant.
在核动力工程的选址中,能动断层是一个十分重要的概念。
Upon the research on the whole electric power system, the robustness of fault diagnosis algorism is bad and it is hard to build practical math models for some objects.
在对整个电力系统进行故障诊断研究时,故障诊断算法的鲁棒性差且有些诊断对象不易于建立实际系统数学模型。
The statistics of electric power company show that more than 80% letting off customer is leaded by distribution network fault.
电力部门的统计资料表明,约80%以上的用户停电是由于配电网的故障造成的。
With more power cable application in transmission and distribution systems, the higher demand of cable fault location accuracy is necessary for reduction of the power cut loss.
电力电缆日益广泛地应用于输配电系统,为了减少电缆故障停电损失,对电缆故障测距的精度要求越来越高。
With more application of electric and electronic devices on ship, more and more nonlinear loads take higher demand for reliability and fault prevention of power station control.
随着电力电子设备在船舶中的大量应用,非线性负载的增多,对船舶电站控制的可靠性及故障预防提出了更高的要求。
This paper presents an approach to parametric fault diagnosis of power electronic circuits.
本文研究了电力电子电路的参数性故障诊断方法。
This paper presents an approach to parametric fault diagnosis of power electronic circuits.
本文研究了电力电子电路的参数性故障诊断方法。
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