1) cascading fault
串级连锁故障
2) cascading failure
连锁故障
1.
Dynamic modeling and analysis on cascading failure of complex power grids;
复杂电力网络的连锁故障动态模型与分析
2.
Risk assessment of cascading failure in power system based on fuzzy neural network;
基于模糊神经网络的电力系统连锁故障风险评估
3.
Review of cascading failures in electric power network;
电力网络连锁故障研究综述
3) cascading failures
连锁故障
1.
According to complex system theory, power systems in self-organized criticality (SOC) state have high probability of occurring of cascading failures.
根据复杂系统理论,电力系统在自组织临界状态下发生连锁故障的概率将会大大提高。
2.
With the development of complex network theory,especially the discovery of small-world characteristics in the power grid,increasingly great concern is shown about the relationship between the complex structural characteristic and the cascading failures of power grid.
文中以复杂网络科学理论为基础,考察了小世界电网中节点的非均质特性,提出多种故障模式和故障指标,重点分析了连锁故障在小世界电网中传播的内在机理,并提出改善小世界电网承受故障能力的有效措施。
3.
For the sake of determining the impact of small-world property on probability of occurring cascading failures in power systems, the cascading failures are simulated in several power systems among which some have small-world property and the others have stochastic network property.
为了得出小世界网络特性对电网发生连锁故障的影响,文中对几个具有小世界特征的电网和几个具有随机网络特征的电网进行了仿真分析,结果发现无论是具有小世界网络特征的电网还是具有随机网络特征的电网,在一定的条件下都表现出自组织临界性,即发生连锁故障的“故障规模—故障概率”分布曲线呈现出幂律特征。
4) cascading outage
连锁故障
1.
It is greatly relevant to serious failures,particular to the cascading outages.
输电线路过负荷或故障跳闸,将引起大量负荷转移,进一步造成一系列线路和电源的连锁跳闸,它与重大停电事故尤其是连锁故障的发生具有强相关性。
2.
Forecasting and preventing strategy for cascading outages is primarily discussed in this paper according to the rule of successive breaks in cascading outage process of power grid.
本文就电网连锁故障的防治问题以相继开断为原则分别对相继开断预想事件的预测策略以及防治策略进行了初步探讨。
3.
Many severe cases of black outs have taken place recently among different countries, most of which exhibit cascading outage, so the study on cascading outage of power grid is becoming more and more popular.
由于近年来世界范围内发生了不少大停电事故,这些事故多表现为连锁故障,因而电网连锁故障的研究日益受到重视。
5) cascaded outages
连锁性故障
1.
They consist of needs for further stability mechanism research, causes and control strategies of cascaded outages, a systematical method for the research of power systems collapse prevention, improvement on adaptation of control strategies and its combination with optimization methods, requirements for DC supply to AC system unde.
分析了电力系统灾变防治研究中有待解决的一些问题,如稳定现象的机理、连锁性故障发生的原因及其控制策略、电力系统灾变防治的系统化研究方法、直流输电系统对交流输电系统的紧急支援、电力系统的动态安全监视和实时信息利用、基于局部信息的暂态稳定控制以及系统重要部件(或环节)控制系统的可靠性和容错控制研究等,并针对上述问题提出了一些研究建议。
2.
Several special considerations in the research of power system collapse prevention system are presented,such as cascaded outages,control mode and strategy concerning rare severe faults, needs for a power system prediction and protection system,a systematical method for the detection of power systems weak parts,and so on.
文中分析了电力系统灾变防治问题的难点和电力系统灾变防治系统研究中的特殊问题 ,对电力系统动态安全分析、稳定控制、恢复控制、电力系统隐患的探测和预防以及连锁性故障发生的机理和控制策略等方面的研究现状及存在问题进行了简要概述 ,并指出了该系统最终应达到的目标和实现的可能性。
6) cascading failure
连锁反应故障
1.
The cascading failure is an important cause leading to large-scale blackout of power grid.
连锁反应故障是导致大停电的重要原因。
补充资料:串级冲击式采样器(cascade impact sampler)
分子式:
CAS号:
性质:又称串级冲击式采样器(cascade impact sampler)。采集大气中不同粒度颗粒物的采样器。目前常用的有按颗粒物粒径大小分为9级(即9个粒径范围)的和5级的;前者称为安德逊(Anderson)分级采样器,后者称为安德逊大容量分级采样器。它们都是采用串级冲击(cascade impact)的原理设计而成的颗粒粒度分离装置,加上动力抽气泵组成。此外还有双分道采样器(dichromatomous sampler)可采集空气中小于15μm的颗粒物(称可吸入颗粒物),并分成粗粒(2.5~15μm)和细粒(<2.5μm)两种。分级采样器收集的不同粒度颗粒物,可研究其中所含的化学物质和形貌的差异等,这些信息可作为鉴别污染来源、控制可吸入有害物质的重要依据。
CAS号:
性质:又称串级冲击式采样器(cascade impact sampler)。采集大气中不同粒度颗粒物的采样器。目前常用的有按颗粒物粒径大小分为9级(即9个粒径范围)的和5级的;前者称为安德逊(Anderson)分级采样器,后者称为安德逊大容量分级采样器。它们都是采用串级冲击(cascade impact)的原理设计而成的颗粒粒度分离装置,加上动力抽气泵组成。此外还有双分道采样器(dichromatomous sampler)可采集空气中小于15μm的颗粒物(称可吸入颗粒物),并分成粗粒(2.5~15μm)和细粒(<2.5μm)两种。分级采样器收集的不同粒度颗粒物,可研究其中所含的化学物质和形貌的差异等,这些信息可作为鉴别污染来源、控制可吸入有害物质的重要依据。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条