一种用于农村电气化的高效太阳能转换器，具有高MPP跟踪精度

2014 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC) Pub Date : 2014-04-16 DOI:10.1109/ICCPEIC.2014.6915394

Vineeth Kumar, P. K. M. Tech

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引用次数: 19

摘要

介绍了一种适用于直流微电网的高升压增益dc - dc变换器。直流微电网可用于农村电气化。整个系统包括一个光伏板(PV)，具有最大功率点跟踪(MPPT)的高阶dc - dc转换器和一个直流微电网。MPP可以通过增量电导(IC) MPPT技术进行跟踪，该技术经过d -扫描(占空比扫描)的改进。d -扫描技术减少了多个局部极大值的问题。本文采用了一种由耦合电感和开关电容组成的高升压DC-DC变换器。这使增益提高了20倍，效率很高。该系统的Simulink模型输入电压范围为30V ~ 40V，最大PV输出功率为250Watts/400V。系统的最大功率转换效率为95.85%。

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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An efficient solar power converter with high MPP tracking accuracy for rural electrification

This paper introduces a high step up voltage gain DC-DC converter for dc microgrid applications. The dc microgrid can be utilized for rural electrification. The whole system includes a Photovoltaic panel (PV), High step up DC-DC converter with Maximum Power Point Tracking (MPPT) and a dc microgrid. The MPP can be tracked by Incremental Conductance (IC) MPPT technique modified with D-Sweep (Duty ratio Sweep). D-sweep technique reduces the problem of multiple local maxima. In this paper a high step up DC-DC converter which comprises of both coupled inductor and switched capacitors is used. This increases the gain up to twenty times with high efficiency. The Simulink model of the system has input voltage range of 30V to 40V and maximum PV output power of 250Watts/400V. The maximum power conversion efficiency of the system is 95.85%.

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来源期刊

2014 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC)

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