摘要
针对电力系统需求,研制了一种具有RFID接口与GPRS通信模块的三相多功能谐波电能表,介绍了电能表的构成与工作原理,分析了电能表的空间电磁干扰、传导耦合干扰和公共阻抗耦合干扰,探讨了电能表的电磁干扰传输途径,提出了三相多功能谐波电能表的电磁兼容可靠性设计方案,论述了电能表开关电源电磁兼容、PCB布线、通信接口抗干扰、防静电设计、软件抗干扰设计等电能表的EMC设计方法,给出了电能表的EMC测试结果.试验和运行表明三相多功能谐波电能表设计具有良好的电磁兼容性.
According to power system requirements,a kind of three-phase multifunctional harmonic energy meter with radio frequency identification（RFID）interface and general packet radio service（GPRS） communication module was developed.The structure and the working principle of the energy meter were described,and its space electromagnetic interference（EMI）,conducted coupling interference,and common impedance coupling interference were analyzed.The EMI propagation paths of energy meter were discussed,and the reliability design scheme of energy meter was proposed.The electromagnetic compatibility（EMC）design method of energy meter such as EMC of switch power,PCB routing,communication interface anti-interference design,the anti-static design and software anti-interference design,were analyzed.The EMC test results of the energy meter were given.The experiment and operating results have shown that the three-phase multifunctional harmonic energy meter has better EMC.
出处
《湖南大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2010年第11期40-45,共6页
Journal of Hunan University:Natural Sciences
基金
国家自然科学基金资助项目(60872128)
关键词
三相多功能谐波电能表
电磁兼容
干扰源
静电放电
传输线长度
three-phase multi-functional harmonic energy meter
electromagnetic compatibility（EMC）
noise source
electrostatic discharge
length of transmission line
