Design and Analysis of a High-Efficiency DC–DC Converter With Soft Switching Capability for Renewable Energy Applications Requiring High Voltage Gain

2016 ◽  
Vol 63 (5) ◽  
pp. 2936-2944 ◽  
Author(s):  
Moumita Das ◽  
Vivek Agarwal
Keyword(s):  
Renewable Energy ◽  
High Voltage ◽  
High Efficiency ◽  
Soft Switching ◽  
Voltage Gain ◽  
Energy Applications ◽  
High Voltage Gain

scholarly journals Design and Implementation a Single-Switch Step-Up DC-DC Converter Based on Cascaded Boost and Luo Converters

Energies ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3584
Author(s):  
Hossein Gholizadeh ◽  
Reza Sharifi Shahrivar ◽  
Mir Hashemi ◽  
Ebrahim Afjei ◽  
Saman A. Gorji
Keyword(s):  
Renewable Energy ◽  
High Voltage ◽  
High Efficiency ◽  
Renewable Energy Sources ◽  
Voltage Gain ◽  
Ideal Model ◽  
Energy Applications ◽  
High Duty Cycle ◽  
Power Switch ◽  
High Voltage Gain

We designed and implemented a single-switch step-up DC-DC converter based on cascaded boost and Luo converters. The proposed converter demonstrated a quadratic voltage gain and a high efficiency, which makes it suitable for renewable energy applications, where a high voltage gain ratio is desired without imposing a high number of bulky items or employing a high duty cycle of the active switches. This converter benefits from the continuity of the input current waveform, which equips the maximum utilisation of renewable energy sources. While a transformer-less high voltage-gain was achieved, the voltage and current stresses of the power switch and diodes were kept low in comparison with the existing quadratic DC-DC converters. We analysed the converter in both continuous and discontinuous conduction modes. A non-ideal model of components was considered for power loss and efficiency calculations and comparisons. Finally, the simulation results were extracted with PLECS and validated with experiments on a 120 W prototype.

scholarly journals A New Structure of High Voltage Gain SEPIC Converter for Renewable Energy Applications

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 89857-89868 ◽  
Author(s):  
Pandav Kiran Maroti ◽  
Sanjeevikumar Padmanaban ◽  
Jens Bo Holm-Nielsen ◽  
Mahajan Sagar Bhaskar ◽  
Mohammad Meraj ◽  
...  
Keyword(s):  
Renewable Energy ◽  
High Voltage ◽  
Voltage Gain ◽  
Energy Applications ◽  
High Voltage Gain

scholarly journals High-Voltage-Gain Integrated Boost-SEPIC DC-DC Converter for Renewable Energy Applications

2019 ◽  
Vol 24 (3) ◽  
pp. 336-344 ◽  
Author(s):  
Bruno Gomes de Assis ◽  
Eduardo Pacheco Carreiro Braga ◽  
Claudinor Bitencourt Nascimento ◽  
Eloi Agostini Junior
Keyword(s):  
Renewable Energy ◽  
High Voltage ◽  
Voltage Gain ◽  
Energy Applications ◽  
High Voltage Gain ◽  
Integrated Boost

Soft-Switching Boost Half-Bridge Converter with High Voltage Gain and Low Input Current Ripple

2012 ◽  
Vol 424-425 ◽  
pp. 1093-1096
Author(s):  
Hyun Lark Do
Keyword(s):  
High Voltage ◽  
High Efficiency ◽  
Soft Switching ◽  
Input Current ◽  
Voltage Gain ◽  
Switching Loss ◽  
Switching Operation ◽  
Low Input ◽  
High Voltage Gain ◽  
Current Ripple

A soft-switching boost half-bridge converter with high voltage gain and low input current ripple is proposed in this paper. In the proposed converter, a coupled inductor is used at the boost converter stage to reduce the input current ripple. The half-bridge converter stage provides soft-switching operation and high voltage gain. Also, the reverse-recovery problem of output diodes is significantly alleviated by utilizing the leakage inductance of the transformer. Due to the soft-switching operation of all switching devices, the switching loss is significantly reduced and the high efficiency is obtained. The feasibility and performance of the proposed converter were verified on an experimental prototype

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