Modeling and Simulation for Grid Fault Impacts on a DC Microgrid

A micro grid consists of several distributed generation resources and local loads, which provide the solution to supply premium power to remote or specific areas. To the design of a micro grid, it is necessary to perform computer simulation for the planning and study. Before the actual system is built, all potential responses of the system should be known and then the design can be modified to avoid negative impacts to the system. This paper presents experiences of modeling and simulations for observing the impacts of connected ac grid faults on a dc micro grid. Results for the study system are also reported.