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针对无功和谐波检测的实时性、准确性的要求,基于三相瞬时无功功率理论,利用TMS320F2812处理器完成了对电网无功与谐波的全数字化高精度的检测与控制,包括采样、数据处理和对晶闸管控制电抗器(TCR)触发脉冲的输出等。给出对输入信号的调理电路结构原理图,充分利用TMS320F2812的资源,对软件设计进行了详细的讨论,在MATLAB软件及CCS平台上进行硬仿真试验,结果证明了该方案的可靠性与准确性。
According to the real-time and accuracy requirements of reactive power and harmonic detection, based on the theory of three-phase instantaneous reactive power, TMS320F2812 processor is used to detect and control all-digital and high-precision reactive power and harmonics of power grid, including sampling , Data processing and thyristor control reactor (TCR) trigger pulse output. The circuit structure of the input signal conditioning circuit is given, and the resources of TMS320F2812 are fully utilized. The software design is discussed in detail. The hardware simulation test is carried out on the MATLAB software and CCS platform. The result proves the reliability and accuracy of the scheme .