Network reconstruction method based on sensitivity analysis

The invention relates to a network reconstruction method based on sensitivity analysis. The method includes the following steps: (1) establishing a network topology with n nodes according to a network to be reconstructed, (2) establishing a network reconstruction model with the smallest transmission loss as an objective function, (3) calculating the change rate of the sensitivity and the objective function, (4) carrying out selection sorting, specifically, sorting transmission loss increments from small to large and sequentially disconnecting operating switches corresponding to the transmission loss increments to complete the local optimum unlinking process, and (5) obtaining the optimum network structure under the intended objective function. According to the reconstruction technology, the optimum operating switch can be found out quickly and accurately through sensitivity calculation, the number of load flow calculation times is small, besides, the optimum objective is approached step by step, the defects that a traditional method consumes a long time and is low in efficiency can be well overcome, great practical significance is achieved, corresponding sensitivity analysis models are established according to different problems needing to be solved in power distribution network reconstruction, and all the problems can be solved through the method.