用于高升压应用的非隔离大升压DC-DC变换器

2018 International Conference on Computer Communication and Informatics (ICCCI) Pub Date : 1900-01-01 DOI:10.1109/ICCCI.2018.8441288

V. Savakhande, M. Chewale, P. Sonawane, R. Wanjari

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引用次数: 0

摘要

这项工作介绍了一种“非隔离的巨大升压DC-DC转换器”。该变换器采用三绕组耦合电感和电压扩展电路。该变换器升压比大，占空比合理，漏电能量利用率高，消除了开关上的高电压尖峰。由于这样的优越性，允许利用低电阻$\mathbf{R}_{\mathbf{D}\mathbf{S}(\mathbf{o}\mathbf{n})}$ MOSFET开关。详细讨论了连续导通模式(CCM)的工作原理和稳态分析。给出了20V/400V、250W非隔离巨压升压DC-DC变换器的MATLAB仿真结果，验证了所提变换器的优点。

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Non-Isolated Enormous-Voltage-Boosting DC-DC Converter for High Step-up Application

This work introduces a ‘non-isolated enormous-voltage-boosting DC-DC converter’. The proposed converter combines a three winding coupled inductor and voltage extension circuit. This converter provides large step-up voltage conversion ratio with reasonable duty cycle, great utilization of leakage energy, elimination of high voltage spikes on the switch. Due to such superiority, allowing utilization of low resistance $\mathbf{R}_{\mathbf{D}\mathbf{S}(\mathbf{o}\mathbf{n})}$ MOSFET switch. The operating principle and steady state analysis of continuous conduction mode (CCM) are discussed in detail. The MATLAB simulation results for 20V/400V, 250W non-isolated enormous-voltage boosting DC-DC converter are provided to verify the virtue of the proposed converter.

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2018 International Conference on Computer Communication and Informatics (ICCCI)

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