Indian Journal of Science and Technology
DOI: 10.17485/ijst/2015/v8i15/54254
Year: 2015, Volume: 8, Issue: 15, Pages: 1-5
Original Article
R. Lidha O. R. Maggie* and E. Karpagavalli
Department of EEE, Dr. Sivanthi Aditanar College of Engineering, Thiruchendur - 628215, Tamil Nadu, India; [email protected]
The diode-assisted Cuk Voltage Source Inverter (VSI) enhances the voltage boost capability which is more suitable for wide range voltage regulation in dc/ac power conversion. This paper mainly describes Pulse-Width Modulation (PWM) strategy for diode-assisted cuk VSI. Compared with existing buck-boost converter, diode-assisted capacitor cuk VSI with SVPWM strategy demonstrates good performances like less switching device requirement and higher efficiency at high voltage gain. The proposed diode-assisted cuk VSI is more advantageous and competitive topology for wide range dc/ac power conversion in a renewable energy application. Simulation model of SVPWM is obtained using MATLAB/SIMULINK.
Keywords: DC-Link Voltage Utilization, Pulse-Width Modulation (PWM), Voltage Boost, Voltage Gain, Voltage Source Inverter (VSI), Voltage Stress
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