设计和实施基于功率半导体的切换模式激光二极管驱动器
Chao-Tsung Ma1, Fang-Yu Zhang1
1Applied Power Electronics Systems Research Group, Department of EE, CEECS, National United University, Miaoli City 36063, Taiwan.
Micromachines
|January 23, 2024
概括
本研究介绍了一种高功率光纤激光器的高效,可编程切换模式激光二极管驱动器,改进了重的线性电源. 新设计为激光二极管模块提供了卓越的动态电流控制.
科学领域:
- 电气工程 电气工程
- 光电学是指光电子产品.
- 电力电子 电力电子 电力电子
背景情况:
- 纤维激光器对于切割和接等工业应用至关重要.
- 当前的激光二极管驱动器 (线性直流电源) 效率低,尺寸大.
- 纤维激光器的性能直接与源驱动器的能力有关.
研究的目的:
- 为高功率光纤激光器提供一种新,高效,紧的激光二极管驱动器.
- 为了提高激光二极管模块的动态控制和性能.
- 为了解决现有的商业源驱动器的局限性.
主要方法:
- 可编程切换模式激光二极管驱动器的设计,使用基于功率半导体装置 (PSD) 的全桥式相位移 (FB-PS) DC-DC转换器.
- 实施一个电流控制方案,利用相角转移用于快速动态电流跟踪.
- 开发一个完全数字化的控制方案,并推导动态数学模型.
- 通过使用数字信号处理器进行PSIM 9.1模拟和硬件原型测试进行验证.
主要成果:
- 拟议的驱动器成功驱动了一个200W光功率的激光二极管模块.
- 模拟和实验结果表明输出当前命令跟踪控制的性能非常令人满意.
- 与传统的线性驱动器相比,新设计提供了更高的效率和更小的尺寸.
结论:
- 基于PSD的新型FB-PS DC-DC转换器为高功率激光二极管驱动提供了有效的解决方案.
- 拟议的数字控制方案确保了快速而准确的动态电流跟踪.
- 这一进步有助于更高效,更紧的光纤激光系统.
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