对电力系统状态估计的模型进行了归纳。
The model of the power system state estimation is generalized.
不良数据检测和辩识是电力系统状态估计中的一个重要环节。
One important function of Power System State Estimation is identification and suppression of bad data.
因此,本文对基于等效电流量测变换的电力系统状态估计算法进行了研究分析。
Therefore, state estimation algorithm based on the measurement transformation of the equivalent current is studied in this paper.
提出了一种新的基于降阶网络雅可比矩阵的电力系统状态估计可观测性分析方法。
A new observability analysis algorithm for power system state estimation based on reduced network Jacobian matrix is proposed.
文中提出了一种pmu与scada数据共存的数学模型用于电力系统状态估计。
In this paper, to improve the precision of power system state estimation, a mathematical model is proposed in which the PMU data and SCADA data coexist.
然后,应用分层估计和前馈补偿原理导出电力系统状态估计和负荷频率控制方程。
Then the principles of hierarchical estimation and feed forward compensation are applied to derive the power system state estimation and load frequency control equations.
作为能量管理系统(ems)的一个组成部分,电力系统状态估计的研究具有重要意义。
As a part of EMS (Energy Manage system), the study of power system state estimation is significance.
这样得到的结果与原来把电力系统状态估计作为一个最小二乘方问题处理所得的结果是一致的。
It has been verified that the partitioned state estimate is identical with the usual full least square estimate.
电力系统状态估计是电力系统调度、控制、安全评估等方面的基础,也是电能管理系统的核心组成部分。
Power system state estimation is the core of electric energy management system and the bases of dispatch, control, security evaluation and so on.
电力系统状态估计的内容包括:网络拓扑分析、网络可观测性分析、状态估计、状态估计潮流、不良数据检测和辨识等。
The power system state estimation involves network topology, network observability analysis, state estimation and detection and identification of bad data.
状态估计在电力系统中的实时应用,目前尚不够广泛。
Up to now, state-estimation has not been widely used in-power systems.
本文介绍了一种电力系统动态状态估计的算法。
This paper presents an algorithm for dynamic state estimation of power systems.
一个大型电力系统最小二乘方准则的状态估计,由于其阶数很高而出现病态倾向。
When the least square criterion is applied to the state estimation of a large scale power system, high order of the equation will make it ill-conditioned.
电力系统加权最小二乘准则的状态估计,通常采用正规方程法。
Power system state estimation is usually formulated as a weighted least-squares problem and is solved iteratively by the normal equation method.
本文提出用豪斯·霍尔德正交变换算法,求解电力系统的状态估计问题。
In this paper, the Householder orthogonal transform algorithm is used to solve the problems of power system state estimation.
状态估计是电力系统监控中心进行在线监控的基础,因此提高状态估计精度是非常重要的。
State estimation is regarded as a basis for on line security monitoring functions in most modern power system control centers so that improving state estimation accuracy is very important.
它以全局电力系统为研究对象,能估计出一体化的发输配全局电力系统状态。
By the GSE, the united global power system state including transmission and distribution network can be estimated.
主要介绍了电力系统谐波状态估计技术的可观性分析理论、质量评估算法以及实际应用情况。
The text firstly gets the harmonic distribution of the entire electric network with harmonic state estimation (HSE) method, it is enough to locate the harmonic sources.
主要介绍了电力系统谐波状态估计技术的可观性分析理论、质量评估算法以及实际应用情况。
The text firstly gets the harmonic distribution of the entire electric network with harmonic state estimation (HSE) method, it is enough to locate the harmonic sources.
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