These pages relate to the control and prototyping of three-level converters, using for instance Neutral Point Clamped (NPC) phase leg modules to form three-level inverters.
Switching ripple filters are commonly added to grid-connected voltage source converters (VSCs) to filter out undesirable switching harmonics from the VSC’s output voltage. LCL filters…
This technical note provides an overview of Active Power Filters (APFs) designed for harmonic mitigation and specifically targeting three-phase grid-connected inverters. The note begins by…
Closed-loop current control for a grid-tied Neutral Point Clamped (NPC) inverter. The considered setup is a three-phase three-wire NPC inverter supplied by a DC source and connected to the grid.
This technical note presents various techniques for the DC bus balancing of NPC converters. These techniques are notably used in TN135, which implements a grid-tied…
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