220kV power grid structure planning method considering differentiation scenes
A technology of grid grid and grid structure, which is used in instruments, data processing applications, forecasting, etc., can solve problems such as poor solution accuracy and optimization direction accuracy, flexibility cannot be guaranteed, and differences between sending and receiving ends are obvious. , to achieve the effect of low comprehensive calculation cost, prevention of non-convergence of calculation, and reduction of solution time.
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[0061] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0062] The present invention comprises the following steps:
[0063] 1) According to the difference in grid reliability level and the difference in the proportion of new energy access, multiple planning scenarios are generated, including planning scenarios with low load loss probability and high penetration rate, low load loss probability and low penetration rate planning scenarios, and high load loss probability and high penetration rate planning scenarios Planning scenarios, high load loss probability, low seepage scenarios, and permeability planning scenarios;
[0064] 2) Take the minimum comprehensive investment as the objective function of planning, and carry out mathematical modeling on the objective function of planning;
[0065] 3) For different planning schemes, generate different admittance matrices, and apply genetic algo...
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