1) line fault probability
线路故障概率
1.
Several schemes for line selection in groundfault of ungrounded systems are analyzed with the correlation between the line fault probability and the line\'s index that characterizes the probability based on the fault data of Changsha Power Grid in backland and Wenzhou Power Grid in seaside.
分析了基于运行经验的几种不同的小电流接地系统接地故障选线策略,采用内地长沙电网和沿海温州电网故障数据计算了不同策略中用以表征线路故障概率的指标与故障概率的相关性,并对不同策略进行了数值仿真。
2) fault probability
故障概率
1.
Robust information sharing scheme for federated filter based on fault probability;
基于故障概率的联邦滤波鲁棒信息分配方法
2.
In this paper,the reliability of industry control-network with different structures are analyzed based on modeling the fault probability.
通过建立系统网络故障概率模型,比较总线型控制网络在不同结构下的故障概率,并给出了分级模式和分段模式两种网络系统示例的分析结果。
3.
An efficient method for computing the fault probability of network systems is presented.
从而可通过各故障模式的故障概率和故障模式之间的相关度综合确定系统的故障概率或可靠度。
3) failure probability
故障概率
1.
Extension fault diagnosis has been successfully applied to fault diagnosis of electrical equipment,However,the process of fault di-agnosis appears not to consider the common failure probability of electrical equipment,As a result the results of the diagnosis have a certain impact.
基于故障概率的可拓诊断法是在分析可拓诊断法优缺点基础上,将常见的故障概率与可拓法中的关联度相结合,即在可拓法中引入贝叶斯判别法,在故障诊断过程中综合考虑各种故障总体物元出现的先验概率和分布,得出故障所属类型,最后介绍了这一方法在电力设备的故障诊断中的应用。
4) fault coverage
故障概括率
5) probabilistic fault tree
概率故障树
1.
A probabilistic fault tree is presented to model system reliability of rock wedge with multiple failure modes.
提出岩质边坡楔体稳定体系可靠度分析的n维等效方法,建立考虑多失效模式相关的楔体稳定体系可靠度分析的概率故障树模型。
2.
A probabilistic fault tree approach is presented to model system reliability of rock slope considering multiple correlated failure modes.
建立考虑多失效模式相关的岩质边坡平面滑动体系可靠度分析的概率故障树模型。
6) line fault
线路故障
1.
The problems of frequency modulation were studied,including over modulation and long transition time after line faults.
对某电网两起线路故障后引起电网频率的超调量明显偏大、过渡时间过长而暴露的机组调频方面的问题进行了全面分析,说明了完善DEH机组调频控制功能、改善调节特性对保证供电质量、提高电网调频品质有很大的作用。
2.
Based on the characteristics of line protection of HVDC power transmission, the paper describes the characteristics and disposition principles of DC line fault as well as the action sequence of DC line protection.
针对高压直流输电线路保护的特点,较全面的概述了直流线路故障特征以及直流线路故障的配置原理和直流线路保护动作顺序,比较分析了ABB公司和Siemens公司的行波保护判据,结合天广直流输电工程,采用MATLAB对天广直流输电工程中Siemens公司的行波保护进行仿真分析。
3.
In this paper,the characteristic of the main parameters during the process of the line fault in metallic return operation is discussed and confirmed on RTDS first;then,based on the DC protection system of Tian-Guang,Gao-Zhao and Xing-An HVDC transmission projects,the correlative protection is introduced.
首先从理论上分析了直流输电系统单极金属回线运行方式下发生线路接地故障时各特征量的变化情况,并借助RTDS实时仿真系统进行了验证;接着以此为依据,以天广、高肇、兴安等由德国Siemens公司设计的直流保护系统为例,介绍了针对这一故障设置的相关保护;然后结合运行实例和仿真,分析了这些保护存在的缺陷如线路后备保护配合不当和无法快速、准确地检测金属回线线路故障等,最后还提出了一些改进建议,并讨论了各种方案的优缺点。
补充资料：线路
1.亦作"线路"。 2.细小狭窄的道路。 3.门路;途径。 4.电流﹑运动物体等所经过的路线。
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