FIGURE 4.
Hybrid system incorporating PFC and PEC. Reproduced with permission (Liu et al., 2017), Copyright 2022, Elsevier.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.