Method for obtaining optimal planning of transmission grid under new energy access
A technology of optimal planning and acquisition method, applied in the field of transmission network, which can solve the problems such as the convergence of the results needs to be improved, the calculation of the GA algorithm is complex, and the algorithm is complex.
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[0084] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention is further described below with reference to the accompanying drawings.
[0085] In this example, see figure 1 As shown, the present invention proposes a method for obtaining the optimal planning of a power transmission network under the access of new energy, including steps: S100-S600.
[0086] S100, establishing a transmission grid planning model including new energy.
[0087] In the step S100, comprehensively consider the blocking severity and economical efficiency of the planned grid, take the annual blocking surplus and the investment cost of the new line as the objective function, the branch flow and line expansion respectively satisfy the power flow constraint and the expansion upper limit constraint, and establish A two-objective transmission network planning model considering transmission congestion.
[0088] Transmission grid planning m...
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