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weak buses
相关语句
  薄弱节点
     Study on Weak Buses of Voltage Stability Based on Sensitivity of Minimum Singular Value
     基于最小奇异值灵敏度的电压稳定薄弱节点研究
短句来源
     A detail analysis of its voltage stability is made,which uses sensitivity index,singular value index and margin index together to determine the weak buses,critical lines and weak areas,as well as the stability margins of these areas in summer-heavy operation mode of 2001 and 2002. The results show the improvement and current status of its steady state voltage stability.
     综合运用灵敏度、奇异值和裕度指标,针对2001年和2002年的丰水期大负荷运行方式,分析了广西电网的静态电压稳定薄弱节点、关键线路和薄弱区域及其稳定裕度,展示了广西电网静态电压稳定性的改善情况及现状。
短句来源
     On the basis of minimum singular value analysis, the sensitivity of minimum singular value to load power is derived and it is proposed that to apply minimum singular value in the analysis of weak buses and to determine which bus should be compensated.
     在最小奇异值分析的基础上,给出了最小奇异值对负荷功率的灵敏度,提出将最小奇异值灵敏度用于薄弱节点的分析及无功补偿点的确定。
短句来源
  “weak buses”译为未确定词的双语例句
     With this understanding, the advancing analysis method of the steady-state voltage stability integrated the continuation power flow analysis, the system Jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady-state voltage stability of power system under the future operating state, these informations -included the margin of stability, the weak buses, the crucial branch and the crucial generator.
     2.提出了将连续潮流算法与系统Jacobi矩阵特征结构分解法以及相关的灵敏度方法相结合的静态电压稳定预测分析方法,这种方法可以提供关于系统在未来运行状态下的静态稳定性信息:系统稳定裕度、系统中的薄弱区域、关键支路与关键发电机。
短句来源
     Taking the weak buses as the optimal allocation places, an improved mathematical model for optimal allocation of reactive power compensating devices based on transition states is proposed.
     以弱节点作为无功补偿装置的最佳配置地点,提出了一种基于过渡状态的无功补偿装置最优配置问题的改进数学模型。
短句来源
  相似匹配句对
     weak R& D ;
     研发能力弱;
短句来源
     Weak at technology;
     技术力量薄弱,对于香兰素的外观问题始终没有解决;
短句来源
     Hybrid Buses
     混合动力公共汽车
短句来源
     Buses Dispatching
     公交车调度
短句来源
     Study on Weak Buses of Voltage Stability Based on Sensitivity of Minimum Singular Value
     基于最小奇异值灵敏度的电压稳定薄弱节点研究
短句来源
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Based on the study of the static voltage stability in electrical power systems, a simple and fast algorithm for determinating the critical state of load bus is proposed. Further study shows that the electrical distance and power factor affect the critical point. This paper therefore proposes a weak bus discriminant, which uses the active power proximity to described the ability of withstanding the load power variation.

本文基于系统电压静态稳定的观点对节点临界状态进行研究。提出了简便、快速计算节点临界状态的方法。研究了电距离、功率因数对临界状态的影响,提出用有功功率裕度反映节点承受负荷功率变化能力的弱节点判别式。

This paper proposes a method for VAR optimization taking voltage stability into account. Based on the QV model analysis, the methodfirst calculates the least eigenvalues of the jacobian matrix of power flow equation and the bus participation facors corresponding to themode. By comparing the participation factors, the weaker buses are then determined. Next, the interactive fuzzy satisfying method and simulated and simulated annealing approach are applied to solve general multi-objective VAR optimization...

This paper proposes a method for VAR optimization taking voltage stability into account. Based on the QV model analysis, the methodfirst calculates the least eigenvalues of the jacobian matrix of power flow equation and the bus participation facors corresponding to themode. By comparing the participation factors, the weaker buses are then determined. Next, the interactive fuzzy satisfying method and simulated and simulated annealing approach are applied to solve general multi-objective VAR optimization problems.

提出了考虑电压稳定性的多目标无功优化的一种方法。在本无功优化的多目标中,包括了电压稳定性的静态指标——系统的最大负荷裕度。文中首先在模态分析法的基础上找出系统的薄弱点,并决定在这些地方加装多少容量的无功补偿设备。这对于整个电网进行合理的无功补偿,提高整个系统的电压稳定性,增强送电能力都具有很重要的意义。多目标无功优化问题在数学上利用模糊集理论和模拟退火算法来实现。

With generations far apart from loads and without sufficient voltage control means,Guangxi power grid may be frangible concerning voltage stability. A detail analysis of its voltage stability is made,which uses sensitivity index,singular value index and margin index together to determine the weak buses,critical lines and weak areas,as well as the stability margins of these areas in summer-heavy operation mode of 2001 and 2002. The results show the improvement and current status of its steady state...

With generations far apart from loads and without sufficient voltage control means,Guangxi power grid may be frangible concerning voltage stability. A detail analysis of its voltage stability is made,which uses sensitivity index,singular value index and margin index together to determine the weak buses,critical lines and weak areas,as well as the stability margins of these areas in summer-heavy operation mode of 2001 and 2002. The results show the improvement and current status of its steady state voltage stability. The general measures for improving steady state voltage stability are concluded and analyzed. The influence of main transformer tap adjustment on steady state voltage stability is analyzed specially. The results show that it is minor.

广西电网的电源和负荷中心相距较远,调压手段不足,存在电压稳定性薄弱的隐患,故对广西电网进行详尽的电压稳定分析十分必要。综合运用灵敏度、奇异值和裕度指标,针对2001年和2002年的丰水期大负荷运行方式,分析了广西电网的静态电压稳定薄弱节点、关键线路和薄弱区域及其稳定裕度,展示了广西电网静态电压稳定性的改善情况及现状。在此基础上,对提高电网静态电压稳定性的措施进行了总结和分析,并着重分析了主网变压器档位调节对静态电压稳定性的影响,认为档位调节对电压稳定性的影响不大。

 
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