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本文介绍了智能电平衡分析测试仪的测量原理、微机硬件和软件的实现方法，并给出了实验测试结果。根据复序列的快速富里叶变换（ＦＦＴ）原理，推导出测试所需的计算方法。该仪表采用微型计算机、锁相倍频技术和待制的传感器实现信号的自动采集和实时数据处理。该仪表已用于电平衡分析、机电参数在线测试和供电系统的谐波分析。实际应用表明，该仪表具有较好的性能。
This paper introduces the measurement principle of intelligent balance analysis tester, the realization of computer hardware and software, and gives the experimental test results. According to the principle of Fast Fourier Transform (FFT) of complex sequences, the calculation method required for testing is deduced. The instrument uses a microcomputer, phase-locked phase-locked technology and pending sensors to achieve automatic signal acquisition and real-time data processing. The instrument has been used for the balance analysis, online testing of mechanical and electrical parameters and power supply system harmonic analysis. Practical application shows that the instrument has good performance.