一个基于三级电力电子相位转换变压器的新型的子齐格扎格双点击低波多脉冲校正器
Xiuqing Mu1, Xiaoqiang Chen1, Qianxiao Liu1
1School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
Sensors (Basel, Switzerland)
|September 14, 2024
概括
这项研究引入了一种新型的三级分流曲动功率电子相位转换器,以减少尺寸和波扭曲. 新系统实现了总波扭曲 (THD) 的显著降低,以改善功率因子校正.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 变压器设计设计
背景情况:
- 传统的工业频率相位移变压器很大.
- 多脉冲波整流器系统遭受波扭曲.
研究的目的:
- 提出一个紧而高效的相位移变压器解决方案.
- 为了减轻调整器系统中的波扭曲.
- 在高功率应用中实现功率因子校正.
主要方法:
- 开发了一种三阶段的分流曲折动力电子相位变压器.
- 集成了一个功率因子校正 (PFC) 转换器与电压类型的SPWM逆变器.
- 使用AC-DC-AC转换用于频率提升和尺寸缩小.
- 使用一个齐克扎克结构来平衡二极管桥梁电流.
- 在直流方面实施了被动波抑制.
主要成果:
- 通过减少核心和线圈旋转,减少了变压器尺寸.
- 在相位移变压器输入电流中实现了7.17%的总波扭曲 (THD).
- 进一步将电网侧输入电流THD降低到2.49%.
- 成功实现了功率因子校正.
结论:
- 拟议的方法有效地减少了变压器尺寸和波扭曲.
- 该系统符合协调标准,适用于高功率应用.
- 这种新的设计为高效的功率转换提供了一个可行的解决方案.
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