提出一种基于实用动态安全域的输电系统概率动态安全评估模型。
The paper presents a practical dynamic security region (PDSR) based probabilistic dynamic security assessment model.
利用几何学知识推导出了确定电力系统实用动态安全域（PDSR）临界超平面的截距法。
An intercept method to determine critical hyper-planes of practical dynamic security region (PDSR) of power system is developed by use of knowledge of geometry.
依据运行点距动态安全域边界的距离，还可以确定系统的安全裕度和安全转移概率等安全性指标。
Moreover, according to the relative distance between the operating point and the boundary of DSR, the index of security margin and security transition probabilities can be determined.
动态安全域的方法可使电力系统实时安全监视、防御与控制更科学、更有效，有着广阔的在线应用前景。
Dynamic security region (DSR) is a more scientific and effective method for real-time security monitoring, assessment and control of power systems, compared with traditional "point-wise" approaches.
提出了一种在注入功率空间中求取电力系统实用动态安全域(PDSR)的超平面形式的临界稳定边界的新方法。
An effective method is proposed for obtaining the critical boundaries of hyper plan (HP) form of practical dynamic security regions (PDSR) of power systems in power injection space.
采用求解电力系统动态安全域的改进解析法，结合动态降维技术，大大减少了动态安全域的计算时间，使得模型比较实用；
The improved analytic method of power system DSR and the dynamic equivalent technologies are applied to reduce the computing time and to make the model more practical;
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
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