Research On Optimizing The Configuration Scheme Of Sectional Switch In Distribution Network

In the power system,most power grid failures at this stage are caused by power distribution network failures,and power outages caused by power distribution network failures will cause inestimable economic and social losses to users,and will also cause power users Satisfaction with power supply companies has fallen sharply.In addition,the efficiency of power supply companies’ own operations will also be greatly affected.It can be seen that research on the reliability optimization of the distribution network is very meaningful and can effectively improve this phenomenon.The optimization study of the configuration scheme of the section switch in the distribution network is to make the position and number of the section switch more reasonable and efficient,so that the impact range of each power outage can be effectively reduced,thereby ensuring more The power users can be protected from more economic and social losses,and the operating efficiency of power supply companies will be improved accordingly.In order to evaluate the installation effect of the section switch,the indicators for evaluating reliability of foreign and domestic distribution systems are summarized.The principle of fuzzy analytic hierarchy process and its application methods and steps are briefly analyzed.The analytic hierarchy process comprehensively evaluates the reliability index weights of the power distribution system and obtains the corresponding results,which provides the basic support for the reliability indexes and weights selected in later research.The research on the optimization of the position of the section switch of the overhead line of the distribution network is to improve the reliability and economy of the power supply by optimizing the position and number of switches under certain constraints.For this reason,a global combination criterion is proposed to judge the advantages and disadvantages of the combination of multiple switch positions at the same time,avoiding the traditional tedious adjustment of one switch position at a time and the local optimal problem that may be caught,and directly obtain the optimal solution The global optimum is guaranteed,so that the global optimum position of a given number of switches can be determined.In the optimal configuration of the number of switches,first find the best installation position combination corresponding to a switch through the global combination criterion.If the constraint conditions are met,increase the number of switches by one,and then find the best installation position combination for that number,until The constraint conditions are met,ensuring that the number of switches is determined based on the optimal switch position.This ensures both the global optimum of the switch position and the optimum number of switches.Finally,a numerical example proves that the method can further optimize the position and quantity configuration scheme of the switch.Effectively improve the utilization efficiency of equipment,reduce the impact of power outages on power users and power supply enterprises,and further improve the reliability of power distribution network.