Buck-Boost变换器的平均电流控制

2022 IEEE 9th Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering (UPCON) Pub Date : 2022-12-02 DOI:10.1109/UPCON56432.2022.9986371

C. M, Savitha P B

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引用次数: 0

摘要

电动汽车(EV’s)是当今世界最有前途的技术。电动汽车使用电池作为主要输入源，电池通过DC-DC转换器进行控制。因此，DC-DC变换器的建模与仿真对理解其动力学特性起着至关重要的作用。本文利用伏安秒平衡的基本方程，建立了非理想异步降压升压变换器的数学模型。采用状态空间平均(SSA)技术对非理想异步和同步变流器的恒压传递函数$\frac{\widehat{\mathrm{v}_{0}}}{\hat{\mathrm{d}}}$进行了建模，并用MATLAB软件进行了分析。为了验证所得到的Gvd广义电路平均技术，使用LTspice仿真工具。从不同的控制技术得到的Gvd是相似的。然而，在LT-Spice工具中发现了一个小的变化。

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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Average Current Control of Buck-Boost Converter

Electric vehicles (EV's) are the promising technology of today's world. Electric vehicles use battery as the primary source of input and batteries are controlled by the help of DC-DC converters. Hence the DC-DC converter modeling and simulation plays a vital role in understanding its dynamics. In this paper, mathematical modeling of a non-ideal asynchornus buck boost converter is modeled using the basic equations of volt-sec and amp-sec balance. The transfer functions of constant voltage $\frac{\widehat{\mathrm{v}_{0}}}{\hat{\mathrm{d}}}$ for non - ideal asynchronous and synchronous converters are also modeled using State Space averaging (SSA) technique and analyzed using MATLAB software. To validate the obtained Gvd Generalized Circuit averaging technique is used with LTspice simulation tool. Gvd obtained from different control techniques were found to be similar. However, a small variation is found in LT-Spice tool.

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来源期刊

2022 IEEE 9th Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering (UPCON)

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