Abstract
It is an important role of the distribution network to ensure the safety and reliability of the customers’ power supply. Network reconfiguration, as an effective distribution network control method, can play an important role in improving the reliability of distribution network power supply. In this article, we first analyze the influence of different operation modes of the grid distribution network on the reliability index, and explain the significance of rationally arranging commissioning lines and tie lines for reliability improvement. On this basis, we propose a reliability improvement model of distribution network considering post-fault network reconfiguration. The model takes the reliability index of the system as the objective function and the commissioning state of the line as the decision variable, and can give the optimal operation topology under normal condition. Numerical experiments show that the optimized network topology has higher power supply reliability than the original topology.
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