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Stability Analysis of a Peak and Deep Current Mode Buck-Boost Converter

Credit to Download: 1 | Page Numbers 4 | Abstract Views: 1042
Year: 2009
COI code: PEDSTC01_017
Paper Language: English

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Authors Stability Analysis of a Peak and Deep Current Mode Buck-Boost Converter

ahmad Ale Ahmad - PhD student of IUST, Tehran, Iran
adib Abrishamifar - Department of Electrical Engineering, IUST, Tehran, Iran
mehdi Fazeli - head of Converter & Power supplies Group at IRIEE.


In this converter, the problem of interference between buck and boost switches operations are solved by determining four operation modes. The average modeling method is used to obtain a model for the low frequency behavior of the converter. Stability analysis is performed by the root-locus method, which reveals that the current loop causes that the converter acts as single pole system due to the great distance between two poles’. The model also applied for control design. The experimental results on an 110V, 40KW converter show the ability of the proposed control method. The line and load regulation in different situation is below than 0.9%.


Buck, Boost, Current Mode Control, Average model, root locus

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COI code: PEDSTC01_017

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Ale Ahmad, ahmad; adib Abrishamifar & mehdi Fazeli, 2009, Stability Analysis of a Peak and Deep Current Mode Buck-Boost Converter, 1st international Power Electronics, Drive Systems and Technologies Conference, تهران, دانشگاه علم و صنعت, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Ale Ahmad, ahmad; adib Abrishamifar & mehdi Fazeli, 2009)
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