【摘要】 以TMS320F2812 DSP为核心处理器,结合FIR数字滤波和FFT算法,并应用以太网通信技术设计并实现了电能在线计量系统。测试结果表明,该系统对电压、电流的有效值和有功功率的计量精度达到了0.05级,对谐波含量的分析结果较精确。更多还原

【Abstract】 Taking TMS320F2812 DSP as core,as well as combining FIR digital filter and FFT algorithm,an online power metering system was designed by using EtherNet communication technology.The test result showed that the system could promise a 0.05 grade metering precision of voltage RMS,current RMS and active power,as well as accurate results of harmonic analysis.更多还原