设计和实施一个创新的单相直接AC-AC双极电压逆转器,具有增强的控制拓
Naveed Ashraf1, Ghulam Abbas2, Zohaib Mushtaq3
1Department of Electrical Engineering, The University of Lahore, Lahore, 54000, Pakistan.
Scientific reports
|July 10, 2024
概括
本研究介绍了一种简化的交流-交流转换器,它消除了对极度敏感控制的需求,简化了工业电力转换. 新的设计避免了当前的中断问题,并增强了变速驱动器的电压和频率调节.
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:
- 直接交流-交流转换器对于工业变速驱动器的电网电压和频率调节至关重要.
- 传统的转换器面临着高频脉冲宽度调制 (PWM) 控制的挑战,需要复杂的极度敏感电路,并冒着电感器电流中断的风险.
- 需要精确的电压和频率控制,需要先进的转换器设计来克服这些局限性.
研究的目的:
- 开发一个简化的交流-交流转换器,以减轻与源电压极性相关的控制并发症.
- 为了消除对AC-AC转换器控制器中极性传感电路的要求.
- 为了防止过感应器中的电流中断问题.
主要方法:
- 开发一种新的交流-交流转换器拓.
- 实施简化控制策略,不需要与源电压极性对齐.
- 产生单一的高频控制信号,类似于直流转换器.
- 通过计算机模拟和实际电路开发来测试拟议的拓.
主要成果:
- 拟议的交流-交流转换器在没有极性敏感控制器的情况下成功运行,简化了整体系统.
- 该设计本质上避免了过电感器电流中断的问题,提高了可靠性.
- 模拟和实验结果验证了拟议的转换器和控制战略的有效性和可行性.
结论:
- 简化AC-AC转换器为功率转换应用提供了强大而高效的解决方案.
- 消除极性传感和电流中断问题,大大降低了控制的复杂性,提高了系统的稳定性.
- 这种方法为更可靠,更易于控制的交流-交流功率转换系统铺平了道路.
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