Self-adaptive Robust optimization method for active distribution network considering large number of renewable energy connected grids
An adaptive robust and active distribution network technology, applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve the problem of low economic efficiency of distribution network, unreliable economic and security of distribution network Guaranteed and difficult to ensure the safety and economic operation of the distribution network, etc., to achieve fast solutions and reduce conservatism
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[0045] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0046] like figure 1 As shown, an adaptive robust optimization method for active distribution network considering a large number of renewable energy grid-connected, including the following specific steps:
[0047] (1) Robust Feasible Region Estimation
[0048] For the traditional power flow model, the optimal linear approximation is carried out to construct a linear approximate power flow model; based on the linear power flow model, the approximate mapping relationship between the node injected power vector and the node voltage vector is obtained; based on the mapping relationship, the distribution network The decision variable output space of active-reactive power coordination optimization, that is, the estimation of the robust feasible region;
[0049] (2) When the reactive power capacity of the active distribution network is insufficient, the distributed p...
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