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基于SCADA/PMU混合量测的广域动态实时状态估计方法

期刊名称：李大虎; 曹一家; 基于SCADA/PMU混合量测的广域动态实时状态估计方法，电网技术2007, 3
时间：0
分类：TM712[电气工程—电力系统及自动化]
作者机构：[1]华中科技大学电气与电子工程学院,湖北省武汉市430074, [2]浙江大学电气工程学院,浙江省杭州市310027
相关基金：国家自然科学基金资助项目（50595414）：教育部科学技术研究重点项目（305008）.
相关项目：电力系统广域安全防御体系基础理论及关键技术研究

关键词：相量测量单元(PMU), 监视控制与数据采集系统(SCADA), 广域测量系统(WAMS), 电压灵敏度, 电力系统自动化, phasor measurement unit （PMU）, supervisory control and data acquisition （SCADA）, wide area measurement system （WAMS）, voltage sensitivity, automation of power system

中文摘要：

根据来自监视控制与数据采集（supervisory control and data acquisition，SCADA）系统和相量测量单元（phasor measurement unit，PMU）的数据特点，提出了一种基于SCADA/PMU混合量测的广域动态实时状态估计方法，该方法充分利用了各节点间电压变化的相互联系，通过SCADA系统提供的初始值和安装PMU的节点的电压量测可简单地获得其他未安装PMU节点的电压相量。该方法有效地解决了在PMU配置不足的情况下如何观测电网状态以及如何在动态过程下实时观测电网。最后，通过对新英格兰10机39节点系统的多种故障进行仿真，验证了该方法的有效性和准确性。

英文摘要：

According to the features of the data acquired from supervisory control and data acquisition （SCADA） and phasor measurement unit （PMU） respectively, a wide-area real-time dynamic state estimation method for whole power grid based on hybrid SCADA/PMU measurement is proposed. The proposed method fully utilizes the interrelationship among voltage variations of different buses, by means of the initial states from SCADA and the data measured by the buses where PMUs are installed, the voltage phasors of the buses where PMUs are not installed can be simply obtained. With the proposed method, dynamic processes in power grid can be effectively observed while the configuration of PMUs is insufficient. The effectiveness and accuracy of the proposed method are verified by simulation of various faults set up in New England 10-machine 39-bus system.