基于DSP的电能质量监测仪的设计

摘要

电网运行状态的实时可靠监测是电能质量控制的基础,为准确监测电网运行状态,提出一种以DSP为运行平台的高性能电能质量监测仪设计.系统选用TMS320F28335高性能浮点DSP为核心数据处理器,并采用基于布莱克曼窗的加窗插值FFT算法,实现对电能质量谐波参数的高精度测量.实验结果证明本系统有较高的实时性和分析精度,且人机交互十分友好,具有良好的应用参考价值.%The base of the power quality control is the real-time reliable monitoring of grid operation state. This paper presents a high-performance electric power quality monitor based on DSP for monitoring the grid operation state accurately. The system selects high-performance lfoating-point DSP TMS320F28335 as the core data processor, and adopts window interpolation FFT algorithm based on blackman window to realize high precision measuring of power quality harmonic parameters. The experimental results show that this system has higher instantiate and analytical precision. And the human-computer interaction is very friendly, having a good reference value in application.