Direct Control Strategies for Electrical Drives using multilevel inverter

Direct Control Strategies for Electrical Drives using multilevel inverter
Author(s):
Mr.Suraj R Karpe, Prof.Mithun G Aush
Keywords:
Induction Motor, DTC, 15-Level MLI, Two-Level Inverter, Switching Table
Abstract
Direct torque control (DTC) for medium- and high-power applications frequently uses multilevel inverters (MLI). To determine the ideal inverter switching states for the DTC control systems, the extra voltage vectors produced by MLI can be adjusted. Direct Torque Control (DTC) Control of the induction motor drive is presented using a novel multilayer inverter construction. It is demonstrated that the multilevel architecture offers enough degrees of freedom to regulate the stator flux and electromagnetic torque with very little ripple and a fast dynamic reaction on the opposite side. The simulation results from a five-level and a seven-level inverter are shown and contrasted. This investigation demonstrates how using multiple inverters to supply electrical drives may significantly boost drive performance.
Article Details
Unique Paper ID: 161458 Publication Volume & Issue: Volume 4, Issue 8 Page(s): 275 - 279
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