RS485通信及相位差结合的电能表相位识别方法  

Phase recognition of watt-hour meter based on RS485 communication and phase difference

作　　者：范洁[1] 熊政[1] 王黎明 刘述波 FAN Jie;XIONG Zheng;WANG Li-ming;LIU Shu-bo(Jiangsu Fang Tian Power Technology Co.,Ltd,Nanjing 211100,China)

机构地区：[1]江苏方天电力技术有限公司

出　　处：《电子设计工程》2019年第19期69-72,76,共5页Electronic Design Engineering

基　　金：国家自然科学基金(50477013)

摘　　要：本文针对用电采集系统对台区电能表相位信息的要求,研究利用现有采集系统架构,提供一种RS485通信及相位差结合的电能表相位识别方法,具有准确度高、范围广、效率高等优点,为台区配电变压器的相位管理与线损等问题研究提供了信息支撑,提高对配电网台区的精益化管理能力,为用电信息采集系统在该领域的深化运用做出有益的探索。In view of the requirement of electric power acquisition system to the phase information of watt- hour meter in the station area,this paper studies and utilizes the existing acquisition system architecture to provide a phase recognition method of watt-hour meter combining RS485 communication and phase difference,which has the advantages of high accuracy and wide range. The advantages of high efficiency provide information support for the research of phase management and line loss of distribution transformer in station area,and improve the ability of lean management of distribution network area. This paper makes a useful exploration for the further application of the electric power information acquisition system in this field.

关 键 词：RS485通信 相位差 相位识别 信息采集 

分 类 号：TN391[电子电信—物理电子学]