WAMS/SCADA system timing ranking method based on Pearson correlation coefficient
A technology of correlation coefficient and sorting method, applied in data processing applications, instruments, character and pattern recognition, etc., can solve problems such as no correction of node data, distortion of node voltage and branch current phasor, low calculation efficiency, etc., to achieve Realize the effect of time sorting correction
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[0054] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.
[0055] A kind of WAMS / SCADA system timing sorting method based on Pearson correlation coefficient proposed by the present invention, its implementation process is as follows figure 1 shown.
[0056] (1) Obtain basic data
[0057] The data to be obtained are all node SCADA data and WAMS data with PMU points. In order to meet the needs of Pearson correlation coefficient analysis, the above data must meet the following conditions:
[0058] 1) In terms of data content, the SCADA data is the three data of node voltage amplitude, branch power and node injection power, and the WAMS data is the node voltage and branch current phasor with time scale;
[0059] 2) In terms of...
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