针对三相伺服电机应用的集成混合动力模块的开发和性能评估
Hsien-Chie Cheng1, Yan-Cheng Liu2, Hsin-Han Lin3
1Department of Aerospace and Systems Engineering, Feng Chia University, Taichung 407, Taiwan.
Micromachines
|July 29, 2023
概括
本研究介绍了一种用于变频驱动器的新型碳化 (SiC) / (Si) 混合动力模块. 它在工业伺服电机控制应用中表现出高效率和低功耗.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 材料科学 材料科学 材料科学
背景情况:
- 变频驱动器 (VFD) 对于工业电机控制至关重要.
- 传统的动力模块在效率和动态性能方面面临限制.
- 碳化 (SiC) 和 (Si) 集成为改进动力模块能力提供了潜力.
研究的目的:
- 开发和评估一个30 kHz/12 kW的SiC/Si集成混合动力模块 (iHPM).
- 评估iHPM用于工业伺服电机控制的动态特性和运行效率.
- 为了比较SiC MOSFET逆变器与商用Si IGBT逆变器的性能.
主要方法:
- 将制动电路,Si整流器和SiC逆变器集成到一个单一组件中.
- 实施一种电感取消设计,以最大限度地减少寄生电感和功率损失.
- 使用空间向量脉冲宽度调制 (SVPWM) 进行逆变器控制.
- 采用电磁电路共模拟来评估切换瞬态和估计功率损失/效率.
- 通过双脉冲测试和开环逆变器操作进行实验验证.
主要成果:
- 开发的iHPM集成了最小电流路径的关键组件.
- 模拟和实验证实了电感取消设计的有效性.
- 切换瞬态和寄生效应被准确地建模并通过实验验证.
- 与Si IGBT逆变器相比,SiC MOSFET逆变器显示出更高的效率.
结论:
- C/Si iHPM 是一个可行的解决方案,用于高性能 VFD 应用.
- 综合设计和电感取消有助于提高效率和动态性能.
- 在电源损耗和电机控制效率方面,SiC技术比Si IGBT具有显著的优势.
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