首页>
外国专利>
A method for estimating the dynamics of a low observability measurement point without PMU in real time without depending on the state matrix
A method for estimating the dynamics of a low observability measurement point without PMU in real time without depending on the state matrix
展开▼
机译:一种无需依赖状态矩阵即可实时估算低可观测性测量点动态的方法,无需PMU
展开▼
页面导航
摘要
著录项
相似文献
摘要
A state-matrix-independent dynamic process estimation method in real-time for weakly observable measurement nodes without Phasor Measurement Unit(PMU) is only dependent on real-time measurement dynamic data of measurement nodes with PMU and measurement data of Supervisory Control And Data Acquisition (SCADA) system in electric power system or state estimation data. According to the SCADA measurement data or state estimation data at some continuous moments, the method utilizes recursive least squares solution to find a linear combination relationship between variation of measurement parameter to be estimated of nodes without PMU and variation of corresponding measurement parameter of nodes with PMU. Using the linear combination of relationship, the dynamic process of measurement nodes without PMU is estimated in real-time. The method provides high estimation precision and meets error requirements of engineering application.
展开▼