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Performance Enhancement of Sensorless Control of Z-Source Inverter Fed BLDC Motor


Author(s):

K.Kalpanadevi , V.S.B.Engineering College; S.Sivaranjani, V.S.B.Engineering College

Keywords:

Bldc Motor, Z-Source Inverter (Zsi), Sliding Mode Observer, Direct Torque Control

Abstract:

Z – source inverters have been recently proposed as an alternative power conversion concept as they have both voltage buck and boost capabilities. These inverters use a unique impedance network, coupled between the power source and converter circuit, to provide both voltage buck and boost properties, which cannot be achieved with conventional voltage source and current source inverters. This paper deals with sensorless control of Z-source inverter under direct torque control to get an instantaneous torque control. Sliding mode observer is a parameter for estimating the phase to phase trapezoidal back-EMF in sensorless mode. Z-source inverter is used to boost up the voltage. The hardware results of Z-source inverter is shown.


Other Details:

Manuscript Id :IJSTEV1I11045
Published in :Volume : 1, Issue : 11
Publication Date: 01/06/2015
Page(s): 483-489
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