Abstract: It is well known that the ac–dc power factor correction (PFC) boost preregulator can present instability at the line frequency. This nonlinear phenomenon can jeopardize the system ...

Abstract: Hybrid energy storage system (HESS) plays an important role in the operation of dc microgrids which have attracted significant research attention recently. The hierarchical control is widely ...

(The Center Square) – State and local officials are asking Congress for a delay on sharing the cost of errors in the federal food assistance program, but said they are ready for accountability. The ...

WASHINGTON - The nation’s capital will honor the life and legacy of Dr. Martin Luther King Jr. on Monday with a full morning of events in Southeast D.C., including the annual Peace Walk and MLK Day ...