基于用电信息采集系统的配电网台区识别  

Station area recognition of distribution network based on electricity information acquisition system

作　　者：李琮琮 范学忠 王清 杜艳 朱红霞 于超 Li Congcong;Fan Xuezhong;Wang Qing;Du Yan;Zhu Hongxia;Yu Chao(Electric Power Research Institute of State Grid Shangdong Electric Power Company,Ji'nan 250000,China;State Grid Jinan Licheng Power Supply Company,Ji'nan 250000,China)

机构地区：[1]国网山东省电力公司电力科学研究院,济南250000 [2]国网济南市历城区供电公司,济南250000

出　　处：《电测与仪表》2019年第24期109-114,共6页Electrical Measurement & Instrumentation

摘　　要：在用电信息采集系统中,台区档案的正确性对于配网设备的维护和线损的计算至关重要。现有的台区识别设备需要在现场对单个台区的电能表进行逐一识别,现场工作量较大。文章分析了位于同一台区的电能表在电气物理关系上为并联电气结构,同一台区内的电能表所采集的节点电压的变化规律应具有很高的一致性。另一方面,根据电路理论的知识,同一个台区距离台区变压器最近的节点电压将高于距离变压器较远的节点电压。基于这两个判据,文章通过计算皮尔逊系数量化台区电能表之间的相关性和比较同一台区内的节点电压大小,实现配电网台区信息的在线识别。通过实例分析,文章提出的台区识别方法可准确识别配电网台区档案的准确性。In the electricity information acquisition system,the correctness of the archives in the station area is very important for the maintenance of distribution network equipment and the calculation of line loss.The existing equipment of station identification needs to identify the electric energy meters in a single station area one by one on the spot,and the workload is heavy on the spot.This paper analyzes the parallel electric structure of the electric energy meter located in the same area in terms of electrical physical relationship.The variation law of node voltage collected by electric energy meter in the same area should have high consistency.On the other hand,according to the knowledge of circuit theory,the node voltage nearest to the transformer in the same area will be higher than that farther away from the transformer.Based on these two criteria,this paper quantifies the correlation between electric energy meters by calculating Pearson coefficient and compares the node voltage in the same area,so as to realize on-line identification of information in distribution network.The proposed method can accurately identify the accuracy of distribution network archives through an example analysis.

关 键 词：用电信息采集 配电网 台区识别 皮尔逊系数 

分 类 号：TM933[电气工程—电力电子与电力传动]