A hybrid ac/dc microgrid (MG) has the advantages of both ac and dc subgrids, and the operator should perform an accurate power flow analysis to ensure the MG's operational economy and reliability.

The complexity and randomness of the power system with distributed energy resources have led to the difficulties for fast optimal power flow (OPF) analysis. As a remedy, in this paper, we develop an ...

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The candidates for mayor in the nation’s largest city are, arguably, as diverse as the residents they seek to represent.

New York City’s ranked choice voting (RCV) system may make the difference in a closer than expected Democratic mayoral primary — in which an upstart leftist is in striking distance of winning ...