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本文介绍了一种基于交流采样的六千伏电网微机自动监测系统，采用了傅里叶级数展开计算法，实现对电压、电流、功率因数和电量的测量和计算，利用软件完成了需要较多硬件才能实现的多种功能，节省了大量的硬件投资，减少了日常维护量。该系统的采用对于提高供电系统运行效益，保证安全供电具有重要意义。
This paper introduces a six-volt AC microcomputer based on AC sampling automatic monitoring system, the use of Fourier series expansion calculation method to achieve the voltage, current, power factor and power measurement and calculation, the use of software to complete the need to compare Multi-hardware to achieve a variety of functions, saving a lot of hardware investment, reducing the amount of routine maintenance. The adoption of the system is of great significance to improve the operating efficiency of the power supply system and ensure safe power supply.