Simulation Analysis of Fault Crossing of Three-phase Energy Storage System

The proposed goal of “double carbon” in China has attracted much attention from new energy generation. However, the new energy generation has intermittency, volatility and other characteristics to the stability of the grid has brought a certain challenge. Therefore, many new energy distribution and storage schemes have been introduced, so the stable operation of the energy storage system after grid connection is particularly critical. Based on the time domain simulation of PSCAD/ EMTDC three-phase energy storage system, this paper studies whether the system has the ability of stable fault crossing during the fault period.