Active distribution network sustainability assessment: A system dynamic approach

In order to meet the development goals of distribution networks while maintaining the environment to continue to provide the natural resources and ecosystem services upon which the economy and society depends, distributed energy resources have been continuously integrated on the grid. Assessing the impacts of integrating those distributed energy resources and evaluating the sustainability of the distribution networks has become important issues. This paper explores the assessment of the sustainability of active distribution networks with various types of distributed energy resources. Firstly, the stochastic models of the distributed resources are considered. Then, the distribution network development models are established utilizing system dynamics method. And the system sustainability evaluation is carried out by utilizing a modified analytic hierarchy process method integrated with entropy weighting and fuzzy theory. Finally, the feasibility and effectiveness of the proposed evaluation system has been demonstrated on a modified IEEE 33-bus system.