级联双电压升压变换器的比较评价

2020 Fifth International Conference on Research in Computational Intelligence and Communication Networks (ICRCICN) Pub Date : 2020-11-26 DOI:10.1109/ICRCICN50933.2020.9296190

S. Radhika, V. Margaret

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引用次数: 1

摘要

在许多功率转换应用中，采用升压技术的dc-dc升压转换器被广泛使用，以满足日益增长的功率需求。传统的DC - DC升压变换器的主要缺点是在高占空比下工作时，由于开关长时间处于“ON”状态，导致开关损耗和整体效率降低，并且开关间的电压应力增加。该变换器的主要目标是获得无极端占空比的高电压。当输入电压为15V时，级联双升压变换器在占空比为0.4的情况下可获得201.1V的直流输出电压。为了验证变换器的性能，在LTspice XVII中进行了仿真，并与其他变换器在不同占空比下进行了比较评估。

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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A Comparative Assessment of Cascaded Double Voltage Lift Boost Converter

In several power conversion applications, dc-dc boost converters with voltage boost techniques are extensively used in order to meet the growing power demand. The main drawback of conventional dc-dc boost converter is obtaining high DC voltages, when operated at high duty ratio which causes switching losses and decreases overall efficiency because of the switch being used to be in ‘ON’ state for long time and voltage stresses across switch increases. The main objective of proposed converter is to obtain high voltage without extreme duty ratio. When input voltage of 15V DC is given, 201.1V DC output voltage is attained at duty ratio of 0.4 by the cascaded double voltage lift boost converter. To validate the performance of proposed converter, simulation is carried out in LTspice XVII and a comparative assessment of proposed converter with other converters at different duty ratio are realized.

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来源期刊

2020 Fifth International Conference on Research in Computational Intelligence and Communication Networks (ICRCICN)

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