An Integrated Non-Isolated DC-DC converter with Voltage Multiplier Cell for Microgrid Applications

2019 2nd International Conference on Power and Embedded Drive Control (ICPEDC) Pub Date : 2019-08-01 DOI:10.1109/ICPEDC47771.2019.9036592

V. Krishnakumar, P. Anbarasan, S. Thamizharasan, V. Vasanprabhu

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引用次数: 1

Abstract

A new modified non isolated dc-dc converter is premeditated for DC microgrid utility. The modified dc-dc converter comprises of voltage multiplier cell (VMC) integrated with dual inductors in the input side of dc-dc converter. The solar and bladeless wind turbine based renewable energy sources are effectively utilized with these modified dc-dc converter. The major issue related with renewable energy sources owing to deliver low output voltage. The lower output voltage issue can be improved with the proposed modified dc-dc high gain non isolated converter. The modified converter makes use of dual inductor (input side of the converter) connected in cascade/parallel sequence with VMC to perform charging/discharging operation. The VMC (output side of the converter) provides voltage lift with better static gain, reduced switching voltage stress and improved dynamic response. The new modified dc-dc non isolated converter is arrived using Matlab/ Simulink 2013a and developed the experimental setup for power rating of 100W. from the analysis both the simulation and experimental model effectively performs with the goals to improve the voltage gain and low voltage stress with reduced duty cycle.

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微电网用电压倍增单元集成非隔离DC-DC变换器

针对直流微电网，提出了一种改进的非隔离型DC - DC变换器。改进的dc-dc变换器由电压乘法器单元(VMC)组成，在dc-dc变换器的输入侧集成了双电感。这些改进的dc-dc变换器有效地利用了基于可再生能源的太阳能和无叶片风力发电机。主要问题与可再生能源由于输出电压低有关。改进后的dc-dc高增益非隔离变换器可以改善输出电压较低的问题。改进后的变换器利用双电感(变换器的输入侧)与VMC级联/并联顺序连接进行充放电操作。VMC(转换器的输出端)提供电压提升，具有更好的静态增益，减少开关电压应力和改进的动态响应。利用Matlab/ Simulink 2013实现了新型改进型dc-dc非隔离变换器，并建立了额定功率为100W的实验装置。从分析结果来看，仿真模型和实验模型都有效地实现了提高电压增益和降低电压应力、减小占空比的目标。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 2nd International Conference on Power and Embedded Drive Control (ICPEDC)

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