当前位置：
X-MOL 学术
›
Int. J. Circ. Theory Appl.
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Non‐isolated high step‐up dual‐input DC‐DC converter with zero‐voltage transition
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-02-10 , DOI: 10.1002/cta.2747 Sayed Hossein Mirlohi 1 , Mohammad Rouhollah Yazdani 1 , Ehsan Adib 2 , Mohammad Reza Amini 1
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-02-10 , DOI: 10.1002/cta.2747 Sayed Hossein Mirlohi 1 , Mohammad Rouhollah Yazdani 1 , Ehsan Adib 2 , Mohammad Reza Amini 1
Affiliation
|
In this paper, a non‐isolated dual‐input DC‐DC converter with zero‐voltage transition (ZVT) is proposed for renewable energy systems. The proposed converter has high step‐up conversion gain without using any transformer or coupled inductors. The proposed structure consists of two boost cells, one diode‐capacitor multiplier cell, and one ZVT auxiliary circuit. The main switches turn on and off under zero voltage condition and the auxiliary switch turns on under zero current condition and turns off under zero current and zero voltage conditions. Soft switching conditions, high efficiency, continuous current of input sources, low‐voltage stress on switches, and returning the energy of the auxiliary circuit to the boost cell connected to the lower‐voltage input are the main advantages of the proposed converter. The steady‐state analysis of the converter and operation intervals are discussed. A 160‐W prototype of the proposed converter is designed and implemented. Experimental results confirm the theoretical analysis. The efficiency reaches 96.7% at the nominal load by providing soft‐switching for all switches. The proposed topology can be extended for multi‐input applications by expanding the number of diode‐capacitor multiplier and input boost cells.
中文翻译：
具有零电压过渡的非隔离式高升压双输入DC-DC转换器
本文针对可再生能源系统提出了一种具有零电压过渡（ZVT）的非隔离双输入DC-DC转换器。拟议的转换器无需使用任何变压器或耦合电感，即可获得较高的升压转换增益。拟议的结构包括两个升压单元，一个二极管-电容乘法器单元和一个ZVT辅助电路。主开关在零电压条件下导通和关断，辅助开关在零电流条件下导通，在零电流和零电压条件下关断。所建议的转换器的主要优点是：软开关条件，高效率，输入源的连续电流，开关上的低压应力以及辅助电路的能量返回至连接至低压输入的升压单元。讨论了转换器的稳态分析和工作间隔。设计并实现了拟议的转换器的160W原型。实验结果证实了理论分析。通过为所有开关提供软开关，在额定负载下效率达到96.7％。通过扩展二极管电容乘法器和输入升压单元的数量，可以将所建议的拓扑扩展到多输入应用。
更新日期：2020-02-10
中文翻译：
具有零电压过渡的非隔离式高升压双输入DC-DC转换器
本文针对可再生能源系统提出了一种具有零电压过渡（ZVT）的非隔离双输入DC-DC转换器。拟议的转换器无需使用任何变压器或耦合电感，即可获得较高的升压转换增益。拟议的结构包括两个升压单元，一个二极管-电容乘法器单元和一个ZVT辅助电路。主开关在零电压条件下导通和关断，辅助开关在零电流条件下导通，在零电流和零电压条件下关断。所建议的转换器的主要优点是：软开关条件，高效率，输入源的连续电流，开关上的低压应力以及辅助电路的能量返回至连接至低压输入的升压单元。讨论了转换器的稳态分析和工作间隔。设计并实现了拟议的转换器的160W原型。实验结果证实了理论分析。通过为所有开关提供软开关，在额定负载下效率达到96.7％。通过扩展二极管电容乘法器和输入升压单元的数量，可以将所建议的拓扑扩展到多输入应用。
京公网安备 11010802027423号