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阐述了一种用于MOA在线监测的并行同步采集法。在一定硬件的辅助下，完成U、I两路信号的并行同步采集。该采集法对电网电压频率波动有自适应能力，并在现场应用中取得了较好的效果。
A parallel synchronous acquisition method for MOA online monitoring is described. With the help of certain hardware, the parallel acquisition of U and I signals is completed. The acquisition method has adaptive ability to voltage and frequency fluctuations of the power grid and has achieved good results in field applications.