This paper defines the regions of vulnerability of hidden failures by analyzing the action mechanism of the hidden failures in protection equipment.
继电保护隐藏故障是造成输电线路连锁跳闸的主要原因。
To find out effective measures to reduce the risk of cascading failures in power grids,by means of IEEE RTS 96 system a cascading failures searching model is used to analyze the impacts of the faulty probability of key lines,probability of hidden failures and transmission limits of key lines as well as adopting new control measures on risk index of cascading failure.
为找出降低电网发生连锁故障的风险的有效方法,使用连锁故障搜索模型在IEEE RTS 96系统上分析了关键线路的故障率、隐藏故障概率、关键线路传输功率上限以及采取新的控制措施对连锁故障风险指标的影响,结果表明降低关键线路的故障率、在某些节点间增加1回线路和采取新的控制措施是比较有效的降低连锁故障的风险的方法,而降低隐藏故障发生的概率对系统的风险指标影响不大。
Protection system hidden failures is one of the main causes of large-scale blackouts, which inevitably will lead to disastrous consequences of power grids from cascading failures.
继电保护系统的隐藏故障是造成大规模停电事故的罪魁祸首之一。
In order to avoid relay settings from being a hidden failure source,an idea of relay settings examination and rectification is proposed and a software for relay settings examination and rectification is developed.
为避免继电保护定值成为隐含故障源,提出了保护定值校正思想并进行了软件开发。
Analytic method for relay protection importance with consideration of hidden failures;
考虑隐性故障的继电保护重要度分析方法
The basic process and theory of power system cascading failure considering protection system hidden failures were analyzed to decrease bulk blackout failure.
为了减少大规模停电事故,通过分析由保护装置隐性故障造成的电力系统连锁故障的基本过程和基本原理,建立了风险模型,并提出了应用模糊神经网络进行电力系统连锁故障风险评估的指标和方法。
For the purpose of investigating how the failures spread in the power grids, finding out the key-lines affecting the cascading failures, this paper presents an approach to calculate the risk of line outage and identify key-lines causing blackouts based on the hidden failure model and risk theory.
为了研究复杂电网连锁故障的传播机理,同时找出对连锁故障产生重要影响的关键线路,文中基于模拟连锁故障的隐性故障模型和风险理论,提出了复杂电力系统的线路故障风险评估方法,并辨识出了对系统大停电产生重要影响的一系列关键线路。
The hidden failure,power system vulnerability and adaptive control regarding.
为解决涉及继电自动装置的隐藏故障监视、电力系统脆弱性分析和适应性控制等问题,以及当前出现的新型系统监视保护和动态分析预测进行了分析和讨论。
Hidden failures in protection system are great threats to the operation of power grids,while there are almost no on-line diagnostic methods for hidden failures so far.
继电保护系统的隐藏故障对电网的运行威胁很大,而隐藏故障的在线诊断十分困难。
Discussion on hidden failures in relay protection of power systems;
关于继电保护系统中隐形故障的探讨
This research defined hidden failures of protection schemes and showed that these kinds of failures have contributed in the degradation of 70-80 percent of the wide-area disturbances.
本文介绍了电力系统继电保护中存在的隐形故障问题。
Research on the Detection of Hidden Failures in Relay Protection and Risk Analysis
继电保护隐藏故障监测及风险分析方法研究
Analysis of Hidden Failures Based on Relay Protection Information Management System
基于继电保护信息管理系统的隐藏故障分析
Study on Relay Protection Static Characteristic Monitoring and Hidden Failure Diagnosis Method
继电保护静态特性监视及隐藏故障诊断方法研究
Monitoring of Static Characteristics and Diagnosis of Hidden Failures in Protection System Based on WAMS
基于WAMS的继电保护静态特性监视及其隐藏故障诊断
Lora: Our quoted price includes the software system, installation,3 day training seminar and ongoing troubleshooting. There are no hidden costs.
我们报价包括软件系统,安装,三天的培训以及日后的故障维修.没有隐藏的费用.
They have worldly wisdom, and many of them are lying low.
他们老于世故，许多人现在隐藏着。
Deliberately she shrouded the light in her eyes.
她故意地竭力隐藏住她眼睛里的光辉。
Hidden Cause of Analyzing High Voltage Circuit Breaker Refusing Open Fault
解析高压断路器拒分故障的隐含原因
Sequential Fault Diagnosis Model based on Hidden Markov Tree
基于隐Markov树的序贯故障诊断模型
Study on Fault Diagnosis and Prognosis Methods Based on Hidden Semi-Markov Model
基于隐半Markov模型的故障诊断和故障预测方法研究
Research on Faults Diagnosis System Based on Hidden Markov Model;
基于隐Markov模型的旋转机械故障诊断系统的研究
Typical Hidden Failure of Relay Protection Monitoring and Precaution;
继电保护系统典型隐形故障的监测与预防
Application Research of Intelligent Monitoring Technology on Thermal Fault Hidden Dangers in Transformer Substation;
变电站热故障隐患智能监测技术的应用研究
Hidden Kernel Based Least Square Classifier for Fault Diagnosis
隐核最小二乘分类器在故障诊断中的应用
Latent Electric Defect Handing for High-voltage Power Switch Cabinet in Mine Hoist
矿井提升机高压开关柜电气隐性故障处理
Bearing fault diagnosis using a wavelet-domain hidden markov model
基于小波域隐马尔可夫模型故障诊断方法
Carrier Refrigerated Containers Micro-computer Controller Common Failure and Detection
Carrier冷藏集装箱微电脑控制器常见故障及检测
The remote fault diagnosis system for refrigerated containers based on satellite communication
基于卫星通信的冷藏集装箱远程故障诊断系统
