无桥式PFC SEPIC转换器的平均电流模式控制器,具有在连续传导模式下运行的二阶模型减速
Nor Akmal Rai1, Mohd Junaidi Abdul Aziz1, Mohd Rodhi Sahid1
1Faculty of Electrical Engineering, Universiti Teknologi Malaysia, UTM Johor Bahru, Johor, Malaysia.
PloS one
|October 17, 2023
概括
本研究介绍了用于单相无桥式功率因子校正 (PFC) 电路的平均电流模式控制器 (ACMC). 该ACMC实现高功率因子和SEPIC转换器高达350W的效率.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 单相无桥式功率因子校正 (PFC) 电路对于高效的功率转换至关重要.
- 传统控制器在保持高功率因子和效率方面面临挑战,尤其是在更高功率水平时.
- 单端初级电感转换器 (SEPIC) 提供优势,但需要复杂的控制策略.
研究的目的:
- 为单相无桥式SEPIC PFC电路提出和验证一个平均电流模式控制器 (ACMC).
- 证明控制器能够实现高功率系数 (PF) 和高达350W的效率.
- 详细介绍ACMC用于连续导电模式 (CCM) 操作的设计和实施.
主要方法:
- 在控制器设计中使用了二级模型缩小.
- 在ACMC下进行了SEPIC PFC电路操作的理论分析.
- 在350W原型上进行了MATLAB/Simulink模拟和实验验证.
主要成果:
- 拟议的ACMC有效地迫使输入电流遵循一个侧面参考.
- 高功率因子 (PF) 和高效率在高达350W的功率水平上实现.
- 实验结果验证了模拟结果,证实了控制器的性能.
结论:
- 开发的ACMC是单相无桥式SEPIC PFC电路的优越控制策略.
- 该控制器在各种操作条件下确保了高效率和功率因子.
- 该研究证实了拟议的ACMC的有效性和实际适用性.
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