A METHOD OF REDUCING SWITCH COUNT IN THREE-LEVEL NPC INVERTER – ANALYSIS IN STEADY STATES

The aim of the paper is to present a proof of concept for a new method of modulation which reduce switch count in three-level neutral point clamped (3L-NPC) inverter. The method is an implementation of space vector modulation (SVM) that uses a prediction algorithm and sequences of transistors, which are not common in use. Those sequences make active use of clamping diodes of the inverter. The prediction algorithm analyzes possible sequences of transistors’ states and choose those which offers smaller switch count. Measurements of steady states were taken on prototype 3L-NPC. Results and analysis are presented in this paper.

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Analysis of Direct Torque Control with Space Vector Modulation for Synchronous Reluctance Motor Motion Control Applications and a Comparison with Other Torque-Control Algorithms

A METHOD OF REDUCING SWITCHING LOSSES IN THREE-LEVEL NPC INVERTER

DIRECT FIELD-ORIENTED CONTROL OF SIX-PHASE INDUCTION MOTOR WITH FUZZY-LOGIC SPEED CONTROLLER

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