对输配电网规划优化模型的研究现状作了介绍。主要以规划时间、目标函数、经济可靠为划分依据,分析总结了静态模型、动态模型、目标模型和多阶段多目标模型的研究进展和存在问题,并在了解传统输配电网络模型简化和改进方法的基础上,从非线性模型线性化、多目标归一化、动态模型静态化、分层规划单层化等几方面对优化模型的简化改进方法进行归纳,阐述了输配电网络优化模型的研究方向。
The research status of optimal models in planning of power transmission and distribution networks is introduced here.First,the present development and problems in static models,dynamic models,objective models and multi-stage and multi-objective models are analyzed and summarized from the perspective of time,objective function,economy and reliability.Then,based on the simplified and improved methods of traditional models in power transmission and distribution networks,the simplified and improved methods of the optimal models are generalized from linearized nonlinear model,normalized multi-objective model,staticized dynamic model and levelized stratified method,etc.Finally,The research trends of the optimal models in power transmission and distribution networks are also proposed.