Parameter Sensitivity Analysis of DTC Scheme for Dual Inverter fed Open-end Winding IM Drive with Single DC Source

Abstract

Parameter sensitivity analysis of Direct Torque Control(DTC) scheme for dual inverter fed open end winding induction motor drive with single DC source is presented in this paper. The effect of stator resistance variation on the voltage vector selection in this DTC scheme is analysed using the voltage space structure of a dual inverter configuration with single DC source. Theoretical analysis is validated by simulation on a MATLAB Simulink platform. The results of the theoretical and simulation analyses are experimentally verified on an induction motor with open-end stator windings using TMS320F28335 digital signal processor.