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The article presents the preliminary research results on recreating the envelope using the basic parameters measured in the power grid. Six novel algorithms were presented. The quality of proposed algorithms was verified based on the short-term flicker indicator  P   st   and instantaneous flicker  P  inst . Probability theory was used in some of the presented algorithms, considering the random operation of real sources of voltage fluctuations. At the beginning of the article an introduction containing the essence of the discussed issues is presented. Next, description of the basic measured parameters in the power grid are presented, being the input data of the tested algorithms. The subsequent part presents the operation of individual algorithms, the correctness of which was verified by laboratory studies and numerical simulations. In addition, the operation of the proposed algorithms for real measurements made for the wastewater pumping station supply circuit is also presented. The metrological interpretation of the results obtained from the numerical simulation and experimental research is discussed, and the conclusions are presented.

Recreation of Voltage Fluctuation Using Basic Parameters Measured in the Power Grid