A Method for Extracting the Envelope Parameters of Grid Voltage Flicker
A grid voltage and parameter extraction technology, applied in the field of signal processing, can solve problems such as fence effect, difficulty in accurately extracting flicker parameters, spectrum leakage, etc.
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[0063] A test platform for a grid voltage flicker envelope parameter extraction method provided by an embodiment of the present invention is as follows: figure 1 As shown, the signal generator uses the Agilent 33500B of Agilent Corporation of the United States to generate the flicker signal u(n), and the PC uses Lenovo ThinkpadE40 notebook computer to connect the signal generator to control the parameters of the signal generation, and the data acquisition uses the National Instruments NI data acquisition card ELVIS II, the data obtained is acquired by the acquisition program of LabVIEW software of National Instruments, and the generated signal is monitored in real time by the oscilloscope Agilent DSO1102B of Agilent Company of the United States. Finally, the data collected by LabVIEW is imported into the DSP program and simulated by the CCS software of Texas Instruments. The DSP processor uses the TMS320C6745 of Texas Instruments.
[0064] The main parameters are selected as f...
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