用于PV应用的ZVT升压变换器的分析与实现

2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe) Pub Date : 2016-10-01 DOI:10.1109/ISGTEurope.2016.7856288

Milad Ghasemikashtiban, Ebrahim Balouji

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引用次数: 1

摘要

基本升压转换器拓扑结构是功率因数校正电路中最常用的拓扑结构。升压变换器的效率和性能取决于影响开关损耗的开关频率。介绍了一种用于光伏板输出电平转换的软开关升压变换器。由于软开关单元与变换器相适应，因此该变换器适用于可变升压因数和高效率应用。为了验证其有效性，在120瓦变换器上进行了实验验证。基于DSP的PI控制器用于产生50kHz信号。比较了硬开关和软开关变换器的工作结果。并对其进行了理论分析、工作原理和拓扑细节分析。这种方法可以很容易地被微电网等智能电网应用以及需要精确和智能管理电源的地方采用。

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Analyzing and implementation of a ZVT boost converter used in PV applications

Basic Boost converter topology is the most popular topology used in power factor correction circuits. The efficiency and performance of the boost converter depends on the switching frequency affecting the switching loss. This paper presents a soft-switching boost converter that used to convert photovoltaic panels output level. The converter is suitable for variable boosting factor and high efficiency applications, due to the soft-switching cell adapted to the converter. In order to verify its effectiveness, experimental verification is applied on a 120-watt converter. The DSP based PI controller used to generate 50kHz signals. The results from the converter operating with hard-switching and soft-switching are compared. Theoretical analysis, operation principle and topology details are also presented and studied. The method can be easily adopted by smart-grid applications like microgrids and where accurate and smartly managing power supply is required.

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2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)

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