Mitigation of Voltage Sag, Swell, PF correction and THD reduction using SST & DC breaker implementation in SST based charging station for EV: Chaotic GWO technique

Abstract

Future electric power distribution will heavily rely on solid-state transformers (SST). Typically, traction and transportation systems use the SST. It can be used for various purposes, though. For instance, the current demand for electric vehicles (EVs) requires the service provider to enhance the infrastructure, such as the number of high-power EV charging stations in urban areas. SST-based charging stations are one design option for high-power charging stations, and they can be linked to the distribution network. The article suggested a novel design for optimizing PI gains using the chaotic GWO algorithm for DC link voltage regulation and a reduction in THD using the SST instead of a shunt active filter in SST-based conductive charging of EV.Second, the SST is used in place of a series active filter to mitigate voltage sag, swell, and PF correction when faults or abrupt changes in load occur in the AC system. Thirdly For safety reasons, the SST-based charging of EVs uses a 4P DC breaker. Finally, using the SIMULINK/MATLAB platform, all the cases were simulated, and the results were displayed.

URN:NBN:sciencein.jist.2024.v12.772