双并联级DC - DC升压变换器的Multisim实现与分析

2015 International Conference on Electrical Drives and Power Electronics (EDPE) Pub Date : 2015-11-12 DOI:10.1109/EDPE.2015.7325275

J. Corcau, L. Dinca, L. Grigorie, Eduard Ureche

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引用次数: 3

摘要

本文介绍了一种双级并联DC - DC升压变换器在MULTISIM中的实现和数值仿真分析。对于本文实现的两级并联升压变换器，输入电压为24vdc，输出电压为48vdc，最大功率为1.7 kW。开关频率设置为10khz左右。Multisim中的实现方案有两个相同功率的阶段，它们并联连接。两级并联升压变换器在不同负载下进行了变占空比和恒占空比的测试。在数值模拟的基础上，得出了两级并联升压变换器的特性。值得注意的是，并联升压变换器中两级的行为与单级相似，其中第二级具有输出电流的扩展域。

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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Multisim implementation and analysis of a DC to DC boost converter with two parallel stages

In this paper is presented the implementation in MULTISIM and numerical simulation analysis of a DC to DC boost converter with two parallel stages. For the boost converter with two stages in parallel implemented in this paper input voltage is 24 VDC and output voltage 48 VDC at a maximum power of 1.7 kW. The switching frequency was set about 10 kHz. The implementation scheme in Multisim has two stages of identical power, which are connected in parallel. The boost converter with two stages in parallel has been tested under various loads, for a variable duty cycle and for constant duty cycle. Based on numerical simulations there were drawn the characteristics for a boost converter with two stages in parallel. It was noted that the behavior of two stages in parallel boost converter is similar to the single stage mentioning that the second one has an extended domain for the output currents.

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2015 International Conference on Electrical Drives and Power Electronics (EDPE)

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