Power distribution equipment state maintenance method based on risk assessment

The invention relates to a power distribution equipment state maintenance method based on risk assessment, and the method comprises the steps: defining a maintenance revenue function under a power distribution network risk assessment framework through fully considering the influence of different maintenance modes and maintenance time on the fault risk and maintenance risk of a power distribution network, and taking the highest yield as an optimization target; power grid security constraints, maintenance relation constraints, maintenance resource constraints and the like are used as constraint conditions, and optimization is carried out on two decision variables of a maintenance mode and maintenance time by adopting an optimization algorithm. 本发明涉及一种基于风险评估的配电设备状态检修方法，通过充分考虑不同检修方式和检修时间对于配电网故障风险及检修风险的影响，在配网风险评估框架下定义检修收益函数，以收益率最高为优化目标，以电网安全约束、检修关系约束和检修资源约束等为约束条件，采用优化算法对检修方式和检修时间两个决策变量进行寻优。