电力系统状态估计算法的综合分析

简要介绍了电力系统状态估计的基本概念及功能，描述了状态估计的数学模型。介绍了几种电力系统状态估计的基本算法，即加权最小二乘法、快速分解法、基于量测变换及逐次型的状态估计算法等，并对这些算法作了简明的对比，指出各个算法的优缺点。最后，为了满足电力系统状态估计的要求，又提出了几种新型的状态估计算法。并且指出了状态估计算法中值得研究的几个方面。

Integrated Analysis of State Estimating Method of Power Systems

The fundamental concept and function of power system state estimation are offered briefly and the mathematical model of state estimation is described. Some usual algorithms of state estimation are offered and compared briefly, such as recursive least square algorithm, fast decoupled method, state estimation method based on measurement transformation, etc. Then the advantages and disadvantages of each algorithm are pointed out. Finally, in order to satisfy the requirements of power system state estimation, and put forward some new types of state estimation algorithm is proposed. And the state estimation algorithm is worth study in several aspects.