Fault Self-healing Technology of Active Distribution Network Based on Intelligent Microgrid
The existing fault self-healing technology of distribution network has large active power loss.Therefore,the fault self-healing technology of active distribution network based on Intelligent microgrid is proposed.It establishes the fault self-healing function model of active distribution network,clarifies the objective function and sets the constraints.The active power loss is obtained based on Intelligent microgrid fuzzy,and the upper and lower bounds of membership index are solved to realize the self-healing of active distribution network fault.The effects of three fault self-healing technologies are tested by comparative experiments.The results show that in the single point fault test and multi-point fault test,the maximum and minimum voltage values of the pro-posed fault self-healing technology are greater than those of the other two methods,and the optimal solutions of active power loss in the iterative process are 21.8 kW and 61.2 kW respectively,which are less than those of the other two methods.Experiments show that the self-healing effect of distribution network fault obtained by the research method is better than other methods.
intelligent microgridactive distribution networkdistributed power supplypower grid fault self-healingFault self-healing
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