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Improvement in power quality of IGBT based Front-end converter using MATLAB


Author(s):

Binitaben Ashokbhai Tailor , Shroff S.R. Rotary Institute of Chemical Technology, Vataria; Ayaz Pathan, Shroff S.R. Rotary Institute of Chemical Technology, Vataria; Harsh Patel, Shroff S.R. Rotary Institute of Chemical Technology, Vataria; Ritesh Kushwaha, Shroff S.R. Rotary Institute of Chemical Technology, Vataria; Mr. Jignesh Joshi, Shroff S.R. Rotary Institute of Chemical Technology, Vataria

Keywords:

Improvement of Power Quality, IGBT based Front-End Converter, Eliminate Line Current Distortion, MATLAB Simulation, Reduce Input Current %THD

Abstract:

The paper presents the modeling, simulation and analysis of an IGBT based front-end converter. It provides a suitable control algorithm for a pulse width modulation rectifier, which reduces ripple from the DC output side as well as shapes the input current as input voltage. The basic objective of IGBT based front-end converter is to regulate the DC output voltage and also ensure a sinusoidal input current and unity power factor operation. This is implemented by high speed IGBT switches connected in H-Bridge. The output voltage is controlled by switching of IGBTS and higher order ripples at the output can be easily eliminated with the help of passive filter. Lower order harmonics are eliminated using PWM technique. The control subsystem generates gating pulse to the universal bridge by passing the output voltage through a network consisting of comparator, discrete PI controller and discrete PWM generator. The output of this generator is the gating pulses to be applied to the universal bridge. By this control method, we have tried to reduce the input current harmonic distortion and bring the input current and voltage in same phase as well as make it sinusoidal.


Other Details:

Manuscript Id :IJSTEV3I7104
Published in :Volume : 3, Issue : 7
Publication Date: 01/02/2017
Page(s): 196-200
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