介绍了带有谐波电能计量的三相多功能电度表的工作原理,它采用了先进的BF531-ADSP处理器和AD73360采样芯片,应用了复杂的准同步采样算法、滤波器算法和加窗插值FFT算法,完成了0.2S级精度的三相电能测量和谐波分析.实际测试结果表明,该表具有精度高、功能齐全、性能可靠等特点.%The principle of the three-phase multi-functional power meter with the measure of harmonic electri cal energy is introduced. This meter using the advanced BF531-ADSP processor and the sampling chip AD73360, applying the complicated arithmetic of quasi-synchronous sampling, the arithmetic of filter and the a rithmetic of windowing and interpolation FFT, performs the three-phase power measure of 0. 2S precision and the harmonic analysis. The actual test results show that it has the advantages of high precision, fully functional and high reliability.
展开▼
