The power system state estimation involves network topology, network observability analysis, state estimation and detection and identification of bad data.
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。
Present status of the distribution system state estimation, and methods of bad data detection and identification are surveyed here.
并对配电网状态估计的研究现状和常用不良数据的检测与辨识方法进行了描述。
Bad data detection and identification is one of the chief functions in the running state analysis of the distribution system.
不良数据检测与辨识是配电系统运行状态分析的主要功能之一。
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