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.
Simple first-step guide to building NPC converters, taking as an example a 3-phase 3-level NPC converter supplied by a DC voltage and connected to a resistive load.
This technical note addresses possible implementations for a discrete PI controller and provides general insight into PI tuning strategies. It also includes practical implementations for…
This note presents the various messages displayed on the LCD screen of imperix closed converter racks. These racks contain several power modules, forming a reconfigurable…
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…
This application note details a possible control implementation on the B-Box RCP for a fast electric vehicle charger with intermediate storage. In this example, the…
This article covers the control of a single phase solar PV inverter using Fictive Axis Emulation (FAE) and its implementation on a programmable power converter.
This document explains the procedure for expanding an open-frame rack with additional PEB modules. Mechanical assembly is addressed at first (e.g. for placing the required…
This page presents a dead time selection method that can be used with imperix power modules. Appropriate dead time selection is crucial to guarantee the…
In voltage source converters, pre-charging the inverter DC bus is required before connecting it to external voltage sources, so that to avoid inrush currents that may be destructive.
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