报告详情
A Single-Input Cascaded H-Bridge Grid-Connected PV Inverter with Integrated Boost Capability
编号：22
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更新：2025-10-11 22:14:02 浏览：15次
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摘要
To address the limitations of conventional cascaded H-bridge multilevel inverters, which require multiple isolated DC power supplies, a single-input cascaded H-bridge inverter with integrated boost capability is proposed in this paper. An in-depth analysis is conducted on its key technologies, including circuit topology, control strategy, and high-frequency switching process. The circuit topology is composed of a DC power supply, energy storage capacitors, a cascaded H-bridge, four-quadrant switches, and an LC output filter. It only relies on one independent DC power supply, with energy storage capacitors employed to replace the multiple DC power supplies in traditional cascaded H-bridge inverters. The proposed inverter not only retains the inherent advantages of traditional cascaded H-bridge inverters such as fewer required components and low output harmonics but also eliminates the need for multiple independent DC power supplies. This effectively reduces the system cost and endows the inverter with excellent application prospects in photovoltaic grid-connected systems.
关键词
Cascaded H-bridge, multilevel inverter, single-input, storage capacitor
报告人
Yanzhi Su
student Qingdao University稿件作者
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重要日期
-
会议日期
11月07日
2025
至11月09日
2025
-
10月30日 2025
初稿截稿日期
-
11月10日 2025
注册截止日期
主办单位
IEEE西南交通大学IAS学生分会
承办单位
西南交通大学电气工程学院
SPACI车网关系研究室
四川大学电力系统稳定与高压直流输电研究团队
SPACI车网关系研究室
四川大学电力系统稳定与高压直流输电研究团队
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