The best convertible backpack totes are all about flexibility — something you appreciate the moment your commute gets crowded. I take the subway to work, and anyone who's done the same knows the ...
Abstract: For grid-following inverters, an accurate grid impedance estimation (GIE) enables many beneficial applications. Conventional active GIE methods, such as the PQ variation method, ...
This paper presents a salient analog phase-locked loop (PLL) that adaptively controls the loop bandwidth according to the locking status and the phase error amount ...