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@article{187539,
author = {DHIYA RAVI},
title = {MODIFIED HIGH GAIN DC-DC CONVERTER WITH DUAL SWITCH},
journal = {International Journal of Innovative Research in Technology},
year = {2025},
volume = {12},
number = {6},
pages = {6831-6837},
issn = {2349-6002},
url = {https://ijirt.org/article?manuscript=187539},
abstract = {With the increasing adoption of solar energy sys- tems, the need for high-gain DC-DC converters has become more critical. Traditional boost converters operating at high duty cycles often suffer from poor efficiency and elevated voltage stress. To address these issues, a modified converter is proposed that operates at a lower duty cycle, reduces voltage stress, and delivers high voltage gain. This design incorporates a voltage multiplier cell comprising a capacitor and diode at the output stage of a conventional buck-boost converter, effectively minimizing the stress across switching devices. As a result, switches with lower voltage ratings can be employed. The proposed converter is well-suited for solar power applications, offering a wide voltage conversion range, steady input current, and high efficiency. A comprehensive steady-state analysis and operational study are presented. Simulation is performed using MATLAB/SIMULINK R2017b, demonstrating a peak efficiency of 85% and substan- tial voltage gain. Furthermore, a hardware prototype utilizing the TMS320F28027F microcontroller is developed, achieving an output voltage of 8.5V from a 2V input.},
keywords = {Voltage Multiplier, SEPIC, Efficiency, Photo- voltaic (PV).},
month = {November},
}
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