Call For Paper Volume:7 Issue:1 Jan'2020 |

SIMULATION OF CCM BOOST CONVERTER FOR POWER FACTOR IMPROVEMENT BY USING VARIABLE DUTY CYCLE

Publication Date : 27/05/2019


DOI : 10.21884/IJMTER.2019.6016.G2Z0P

Author(s) :

Miss. Ashwini U. kunjekar , Prof. M. R. Salodkar.


Volume/Issue :
Volume 6
,
Issue 5
(05 - 2019)



Abstract :

For the efficient operation of power electronic converters the power quality and THD are two important factors to regulate the output voltage. This paper proposed an easy and effective active wave shaping control technique for the pulsed input current drawn by the uncontrolled diode bridge rectifier thereby achieving power factor nearer to unity and also satisfying the THD specifications. It also regulates the output DC-bus voltage. CCM boost power factor correction with constant frequency operation features smaller inductor current ripple resulting in low RMS currents on inductor and switch thus leading to low electromagnetic interference. The main aim of this research is to develop an active PFC control circuit using CCM boost converter implementing variable duty cycle control. The proposed scheme removing the inductor current sensing requirements yet offering good performance and better results for maintaining the power quality. Simulation results have been presented in matlab which covers load changes also. Keywords- CCM, DC boost converter, PFC, RMS THD


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SIMULATION OF CCM BOOST CONVERTER FOR POWER FACTOR IMPROVEMENT BY USING VARIABLE DUTY CYCLE

May 22, 2019