← 返回

用于电机驱动应用中直流侧EMI滤波器的新型单级和两级集成磁扼流圈

Novel Single-Stage and Two-Stage Integrated Magnetic Chokes for DC-Side EMI Filter in Motor Drive Applications

语言:

中文摘要

无源电磁干扰(EMI)滤波器常用于抑制传导共模和差模噪声,但其体积大、占用PCB面积多,限制了变换器的功率密度。本文提出了两种用于单级和两级EMI滤波器的新型集成磁扼流圈,通过磁路等效模型优化设计,有效减小了滤波器体积,提升了功率密度。

English Abstract

Passive electromagnetic interference (EMI) filters are widely used to suppress the conducted common-mode (CM) and differential-mode (DM) noise emissions. However, these passive EMI filters occupy a large PCB area and volume, reducing the power density of the converters. This article proposes two novel integrated magnetic chokes for single-stage and two-stage EMI filters. Magnetic equivalent circui...
S

SunView 深度解读

该技术对提升阳光电源全线产品的功率密度具有重要参考价值。在组串式逆变器、PowerTitan/PowerStack储能系统以及电动汽车充电桩中,EMI滤波器往往占据较大的空间。通过采用集成磁扼流圈技术,可以在保证电磁兼容性(EMC)合规的前提下,显著减小磁性元件体积,从而优化整机结构布局,降低散热压力,提升系统功率密度。建议研发团队在下一代高密度逆变器及PCS产品设计中,评估该集成磁技术在PCB空间优化方面的应用潜力。