Distributed harmonic source identification method based on single-frequency current transmission characteristics
A technology of current harmonics and transmission characteristics, applied in the field of distributed harmonic source identification based on single-frequency AC current transmission characteristics, can solve the problem of affecting the accuracy of harmonic source identification, increasing the complexity of algorithms, and lacking the magnitude and order of admittance matrix Effective supervision and other issues to achieve reliable parameter basis and improve accuracy
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[0024] The present invention will be described in detail below in conjunction with the drawings and implementation cases.
[0025] Harmonic source identification in the power consumption network refers to the analysis of the voltage harmonics and current harmonics collected by the electric energy information sensor nodes in the network to obtain the actual harmonic injection amount of each branch monitoring object into the power consumption network, and then Realize the identification and analysis of harmonic sources in the power grid and the division of disturbance responsibility. In the actual measurement, the harmonic disturbance measured by the sensor node on the branch mainly includes two parts. One is the harmonic generated by the non-linear equipment on the monitoring branch, called the intrinsic harmonic, which reflects the influence of the branch on the whole The influence of the electrical network is also the target signal for the identification and analysis of the harm...
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