1) voltage instability probability
电压失稳概率
1.
To deal with this phenomenon,a new method to determine the voltage instability probability of the power system based on Thevenin equivalent parameters is proposed.
电压失稳概率受确定因素和不确定因素2方面的影响,针对这一问题,提出基于戴维南等值参数的电力系统电压失稳概率计算方法。
2) instability probability
失稳概率
1.
Influence of uncertainty of strength parameters on instability probability of embankment dam slopes;
强度参数的不确定性对土石坝坝坡失稳概率的影响
3) probabilistic voltage stability under large disturbance
大干扰概率电压稳定
1.
Combined with the power system reliability estimation method, it was presented that the concept of probabilistic voltage stability under large disturbance which was based on the definition and classification of stability.
在调研国内外电压稳定可靠性评估研究的基础上,基于电压稳定的定义和分类,并结合电力系统可靠性评估方法,提出大干扰概率电压稳定性的概念,基于该概念构造能够综合考虑暂态和长期电压稳定性的大干扰电压稳定的可靠性指标,制定概率电压稳定的综合评价原则,在此基础上,提出基于电力系统可靠性评估的大干扰概率电压稳定的评估方法及相应的算法流程。
4) voltage instability
电压失稳
1.
Analysis of the probability of voltage instability based on Thevenin equivalent parameters;
基于戴维南等值参数的电压失稳概率解析
2.
Mid and longer-term voltage instability are usually caused by the continuing increase of the load, and is characterized by a period when the voltage drop down quite slowly.
为理解中长期电压失稳现象的本质,采用小扰动分析法在系统特性曲线上展示静态特性不同的具体负荷的静态电压稳定域的确定过程,解释了失稳过程中系统电压稳定于低水平的现象,指出不同负荷在系统特性曲线下半支的稳定情况由负荷的静态特性所决定;在此基础上还讨论了目前两类截然不同的中长期电压失稳现象的机理解释,即无功功率和有功功率不平衡解释,指出这两种机理之间存在着紧密的联系和统一之处。
3.
In order to make up the deficiency of traditional analytical method used in the research of voltage stability problem, we need to know the probability information concerned with voltage instability.
为了克服传统分析方法在电压稳定问题研究中存在的不足,需要掌握与电压失稳现象相关的一些概率信息。
5) integral failure probability
整体失稳概率
6) partial failure probability
局部失稳概率
1.
Probability method was used to solve partial failure probability,which verifies the feasibility of gradual failure probability analysis.
运用概率分析的方法求解局部失稳概率,论证了渐进失稳概率分析的可能性,最后提出了治理边坡渐进失稳的措施。
补充资料：裂纹失稳扩展
分子式：
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
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