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Random power flow calculation of distribution network based on improved Newton Raphson algorithm
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Random power flow calculation of distribution network based on improved Newton Raphson algorithm
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Random power flow calculation of distribution network based on improved Newton Raphson algorithm
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Journal Article
Random power flow calculation of distribution network based on improved Newton Raphson algorithm
2025
Overview
The power flow variation of the distribution network has super fluctuation, which produces equivalent random disturbance, which affects the characterization of peak frequency of the current signal, resulting in low accuracy of power flow calculation results. Therefore, a random power flow calculation method of distribution network based on improved Newton Raphson algorithm is proposed. The current signal is reconstructed based on the wavelet threshold de-noising method. The peak frequency of current signal is used to classify the random power flow data of distribution network and eliminate the non power flow signal. Newton Raphson algorithm is improved by using Jacobian matrix, and the power flow model estimated by Newton Raphson algorithm is established to realize the random power flow calculation of distribution network. The test results show that the average relative error and standard deviation of power flow calculation results for different connected power nodes are low, which can provide more accurate data for power flow control.
Publisher
IOP Publishing
