摘要：【中文】本专利提出了一种基于K均值聚类的PMU数据检测方法。该检测方法可以检测出在PMU数据有阶跃型偏差情况下的相角坏数据，从而辨别出可用的好数据。首先，获得线路在一段时间内的PMU测量数据，计算出正序分量；其次，使用K均值聚类对以线路传输有功功率为y轴，线路相角差为x轴的数据进行聚类；最后使用判据对聚类进行筛选，选取出正确数据。 【EN】This patent provides a PMU data detection method based on K mean value clustering. The detection method can detect the phase angle bad data under the condition that the PMU data has step type deviation, thereby distinguishing the available good data. Firstly, obtaining PMU measurement data of a line in a period of time, and calculating a positive sequence component; secondly, clustering data with line transmission active power as a y axis and line phase angle difference as an x axis by using K mean value clustering; and finally, screening the clusters by using a criterion, and selecting correct data.

摘要：【中文】本公开涉及一种配电网广域测量控制系统中多源量测的标注方法及装置，其中，该方法包括根据多源量测信息，得到量测图元组；将量测图元组对单线图上其它非量测图元的遮挡面积进行加权处理，根据得到的加权值确定标注位置；根据标注位置，在单线图中标注量测图元组；其中，多源量测信息为针对同一量测目标的多个数据源的数据。本公开实施例中，实现了多源量测的自动标注，可以避免遮挡重要图元，确保有效数据源排列整齐，提高了单线图的整齐美观度，保证了信息全面性；同时，重复工作量小，有效减少人工维护工作量，提高了标注效率，从而可以通过单线图更加准确实时全面地获取电力设备的相关信息。 【EN】The utility model relates to a labeling method and a device for multi-source measurement in a power distribution network wide area measurement control system, wherein the method comprises the steps of obtaining a measurement map tuple according to multi-source measurement information; weighting the shielding areas of other non-measurement pixels on the single line diagram by the measurement pixel group, and determining the labeling position according to the obtained weighted value; according to the labeling positions, mapping diagram tuples in the single line diagram in a labeling amount mode; the multi-source measurement information is data of a plurality of data sources aiming at the same measurement target. In the embodiment of the disclosure, automatic labeling of multi-source measurement is realized, important pixels can be prevented from being shielded, the arrangement of effective data sources is ensured to be orderly, the neatness and attractiveness of a single line diagram are improved, and the comprehensiveness of information is ensured; meanwhile, the repeated workload is small, the workload of manual maintenance is effectively reduced, and the labeling efficiency is improved, so that the relevant information of the power equipment can be more accurately and comprehensively acquired in real time through a single line diagram.

摘要：【中文】本公开涉及无线配网相量测量装置数据上送控制方法及装置，所述方法包括：确定所述D‑PMU对应的数据采集通道的数据采集特征数据；根据所述数据采集特征数据，计算得到当前计算周期所述数据采集通道的各测量点的动态采集频率；根据所述各测量点的动态采集频率，调整所述D‑PMU对于所述各测量点的数据上送频率。利用本公开各实施例，可以减少网络传输资源的浪费。 【EN】The disclosure relates to a data uploading control method and device for a phasor measurement device of a wireless distribution network, wherein the method comprises the following steps: determining data acquisition characteristic data of a data acquisition channel corresponding to the D-PMU; calculating to obtain the dynamic acquisition frequency of each measurement point of the data acquisition channel in the current calculation period according to the data acquisition characteristic data; and adjusting the data uploading frequency of the D-PMU to each measuring point according to the dynamic acquisition frequency of each measuring point. By utilizing the embodiments of the present disclosure, the waste of network transmission resources can be reduced.