Active distribution network fault recovery method with consideration of random variation of distributed power supply outputs
A technology of active distribution network and distributed power supply, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of high probability of wind turbines, limit the practicability of the scheme, and cannot reflect the output range of DG, and ensure the simulation accuracy. , the effect of reducing the amount of calculation and improving the calculation efficiency
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[0050] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0051] An active distribution network fault recovery method considering the random variation of distributed power output, such as Figure 1 to Figure 3 shown, including the following steps:
[0052] Step 1. Based on the alternate joint strategy of depth and breadth, the active distribution network is divided into islands;
[0053] Island partitioning is a combinatorial optimization problem with multiple constraints, that is, to obtain a partitioning scheme that maximizes the amount of power-off load recovery under a series of system stability constraints. The present invention proposes an alternate joint search strategy of depth and breadth to divide islands, and obtain an island division scheme in a short time while giving full play to the maximum output of DG and recovering as much load as possible.
[0054] The concrete steps of described step...
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