Active Buck-Boost Inverter

被引：61
|
作者：
Tang, Yu [1 ]
Dong, Xianmei [1 ]
He, Yaohua [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Jiangsu Key Lab New Energy Generat & Power Conver, Nanjing 210016, Jiangsu, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2014年 / 61卷 / 09期
基金：
中国国家自然科学基金;
关键词：
AC/AC unit; buck-boost; photovoltaic (PV); single-stage inverter; MODULATION; VOLTAGE;
D O I：
10.1109/TIE.2013.2293694
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The voltage range of a renewable energy source, such as the photovoltaic cell, is influenced by the environment, light, temperature, and so on. The power conditioning system should adapt to the wide input voltage and have buck-boost ability. Based on the structure of the "ac/ac unit," this paper presents a novel active buck-boost inverter (ABI) topology suitable for wide-range input, which can realize buck-boost conversion in a quasi-single-stage inverter. The ac/ac unit composed of active switches is utilized to perform voltage boost without introducing additional passive elements, which is in favor to the system power density and efficiency. Operational analysis in buck and boost modes are presented, and the modulation strategy applied in the ABI is also developed. Simulation and experimental results are presented to verify the operational principle and its modulation strategy.
引用
收藏
页码：4691 / 4697
页数：7
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