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 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.
Fictive axis emulation is a vector control technique that is mostly used in single-phase inverter applications, where the second axis β of a rotating reference…
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