Baba Fakruddin Monakanti;Giridhar Archakam Vijayaraghavulu;Narasimharaju Beeramangalla Lakshminarasiah;Harish Sarma Krishnamoorthy
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引用次数: 0
摘要
本文提出了一种基于开关电容器的超高增益二次升压转换器。超高增益是通过低占空比和大范围的灵活性实现的。该转换器可显著降低器件电压应力和源电流纹波。本文详细讨论了工作原理、连续传导模式（CCM）和不连续传导模式（DCM）以及寄生效应对输出电压和效率的影响。此外，还介绍了所述转换器与类似二次方升压直流-直流转换器的性能比较。拟议转换器的性能指标通过一个 400 V、50 kHz、200 W 的原型进行了验证，随后，该转换器还使用合适的元件进行了 800 V 输出实验，以验证其超电压增益性能的可行性。
An Ultra High Gain Switched-Capacitor Boost DC-DC converter with Reduced Ripple Current
An ultra high gain quadratic boost converter based on switched-capacitor is proposed in this article. The ultra high gain is achieved with a low duty ratio and a wide range of flexibility. The proposed converter provides significantly reduced device voltage stress and source current ripple. This article presents in detail discussion on the operating principle, continuous conduction mode (CCM) and, discontinuous conduction modes (DCM) and the parasitics effect on the output voltage and efficiency of the proposed converter. Also, the stated converter performance comparison with similar quadratic boost dc-dc converters is presented. The performance indices of the proposed converter are verified by a prototype of 400 V, 50 kHz, 200 W, subsequently, the converter is also experimented for 800 V output with suitable elements to verify its performance feasibility for ultra voltage gain.
期刊介绍：
IEEE Latin America Transactions (IEEE LATAM) is an interdisciplinary journal focused on the dissemination of original and quality research papers / review articles in Spanish and Portuguese of emerging topics in three main areas: Computing, Electric Energy and Electronics. Some of the sub-areas of the journal are, but not limited to: Automatic control, communications, instrumentation, artificial intelligence, power and industrial electronics, fault diagnosis and detection, transportation electrification, internet of things, electrical machines, circuits and systems, biomedicine and biomedical / haptic applications, secure communications, robotics, sensors and actuators, computer networks, smart grids, among others.
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