CAJ | 학술논문

为了提高电能表的测量精度并实现无线抄表功能，文中采用电力载波通信技术设计了高精度智能电能表，利用单片机ATmega128L作为电能表的控制核心，通过电能计量模块ADE7755测量用户220 V/50 Hz的使用电量，并以低频脉冲的形式输出有功功率的平均值，经过计算后存储在本地并显示在 LCD屏幕上；电能表终端利用扩频通信芯片 PL-Ci36G-Ⅲ-E使其具有唯一的地址，经耦合调理电路后直接与电力线连接，实现与外界的通信，根据接收到的指令，驱动火线上的继电器闭合，实现远程对用户的用电控制和抄表。经过实验表明，设计的智能电能表的测量误差仅为0.368%，远远小于行业标准。
위료제고전능표적측량정도병실현무선초표공능，문중채용전력재파통신기술설계료고정도지능전능표，이용단편궤ATmega128L작위전능표적공제핵심，통과전능계량모괴ADE7755측량용호220 V/50 Hz적사용전량，병이저빈맥충적형식수출유공공솔적평균치，경과계산후존저재본지병현시재 LCD병막상；전능표종단이용확빈통신심편 PL-Ci36G-Ⅲ-E사기구유유일적지지，경우합조리전로후직접여전력선련접，실현여외계적통신，근거접수도적지령，구동화선상적계전기폐합，실현원정대용호적용전공제화초표。경과실험표명，설계적지능전능표적측량오차부위0.368%，원원소우행업표준。
In order to improve the measurement accuracy of meter and achieve wireless meter reading function,the high-precision smart meter is designed using power line carried communication technology.The smart meter uses MCU ATmega128L as the control core,and measures the 220 V/50 Hz electricity consumption by energy metering module ADE7755 with low-frequency pulse output of the average active power,storing and displaying on the LCD screen after cal-culation.The smart meter terminal uses spread spectrum communications chip PLCi36G-Ⅲ-E to make it with unique ad-dress,and is connected to power lines after coupled conditioning circuit to achieve communication with outside.According to the received command,the relay on the line can be driven to achieve to control the power of users and wireless meter reading remotely.The experimental results show that the error of the smart meter measurement design is only 0.368%,far less than the industry standard.