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The interharmonics monitoring system of power network was developed based on virtual instrument. The system consists of sensors, signal conditioning circuits, data acquisitions and computers. Within the system, the method of multiple signal classification(MUSIC) method was applied to virtual instrument by using the MATLAB script node in LabVIEW, the parameters of interharmonics are identified, some...
The voltage fluctuation and flicker monitoring system based on Wavelet Transform was developed by using the virtual instrument technology. The system consists of sensors, signal conditioning circuits, data acquisitions and computers. In the system, the arithmetic model of voltage fluctuation and flicker was established. This paper proposes a method of monitoring and analyzing voltage fluctuation and...
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