瞬时功率下分布式电能计量自动计费方法研究  

Research on Automatic Billing Method for Distributed Power Metering under Instantaneous Power

作　　者：宋晓川 郑宽昀 李俊臣 武文广 胡威 SONG Xiaochuan;ZHENG Kuanyun;LI Junchen;WU Wenguang;HU Wei(State Grid Shaanxi Electric Power Company Limited,Xi’an 710000,China;NARI Group(State Grid Electric Power Research Institute)Co.,Ltd.,Nanjing 211000,China)

机构地区：[1]国网陕西省电力有限公司,陕西西安710000 [2]南瑞集团(国网电力科学研究院)有限公司,江苏南京211000

出　　处：《自动化仪表》2023年第3期64-67,73,共5页Process Automation Instrumentation

摘　　要：随着电力系统中各类非线性负载的使用日益增多,电能计量自动计费越来越受关注。对此,提出了瞬时功率下分布式电能计量自动计费方法。首先,分析瞬时功率下ADE7880芯片功能,利用单片机驱动与调用整体的功能模块,通过采集器模块采集电压与电流信号。然后,构建电能网关结构,通过电路调理模块调整并转换采集的电压、电流信号,输送至瞬时功率测量模块。最后,将瞬时有功功率传递至分布式电能计量模块,完成瞬时功率下电能计量自动计费方法研究。试验结果表明,所研究的瞬时功率下分布式电能计量自动计费方法的瞬时功率测量精度较高、功率测量稳定性较优,可精准计算用户使用电能的费用,具有较好的自动计费效果。With the increasing use of various types of nonlinear loads in power systems,automatic power metering billing has been paid more and more attention.In this regard,an automatic billing method for distributed power metering under transient power is proposed.Firstly,the ADE7880 chip function under transient power is analyzed,and the voltage and current signals are collected through the collector module by using the microcontroller to drive and call the overall function module.Then,build the power gateway structure,adjust and convert the collected voltage and current signals through the circuit conditioning module,and deliver them to the instantaneous power measurement module.Finally,the instantaneous active power is transmitted to the distributed power metering module to complete the research on the automatic billing method of power metering under instantaneous power.The test results show that the instantaneous power measurement accuracy of the researched instantaneous power measurement method is high,and the stability of power measurement is good,which can accurately calculate the cost of electricity used by users and has a good automatic billing effect.

关 键 词：电力系统 瞬时功率 分布式电能计量 自动计费方法 功率测量 电能网关 电压信号 电流信号 

分 类 号：TH183.3[机械工程—机械制造及自动化]