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This paper describes a simple control architecture realized using hybrid feedforward control for a power factor correction (PFC) rectifier based on a four-switch non-inverting buck-boost converter. The converter operates in continuous conduction mode, with smooth transitions between the buck and the boost operations across a line-cycle. To implement the PFC functionality, the controller computes the...
This paper presents a new architecture for an isolated level 2 on-board electric vehicle (EV) battery charger which is integrated with the EV's drivetrain dc-dc boost converter. The proposed charger leverages many of the existing stages of a highly efficient and power-dense composite-architecture-based drivetrain boost converter. This composite boost converter comprises a buck, a boost and a dc transformer...
Microinverters operating into the single-phase grid from solar photovoltaic (PV) panels or other low-voltage sources must buffer the twice-line-frequency variations between the energy sourced by the PV panel and that required for the grid. Moreover, in addition to operating over wide average power ranges, they inherently operate over a wide range of voltage conversion ratios as the line voltage traverses...
The penetration of plug-in electric vehicles and renewable distributed generation is expected to increase over the next few decades. Large scale unregulated deployment of either technology can have detrimental impact on the electric grid. However, appropriate pairing of these technologies along with some storage could mitigate their individual negative impacts. This paper presents a framework and...
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