电隔离qZS DC-DC变换器辐射发射特性研究

T. Jalakas, M. Jarkovoi, I. Roasto, J. Zakis, A. Garganeev
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引用次数: 1

摘要

对基于隔离型准z源逆变器的DC-DC变换器的10种不同调制方式进行了测试,以确定其辐射发射水平。在低功率250w样机上进行了电磁兼容测试。根据EMC标准IEC 61000-4-20,在GTEM单元(千兆赫横向电磁单元)中进行了辐射发射试验。为了获得完整的发射概况,在开始和停止频率分别为30 MHz和1 GHz的情况下,将C和D频段包括在单个测试中。测量带宽为120khz,采用6db EMI滤波器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of radiated emissions of a galvanically isolated qZS DC-DC converter
Ten different modulation methods of the isolated quasi Z-source inverter based DC-DC converter were tested to find out radiated emission levels. EMC measurements were performed on a low power 250 W prototype. A radiated emission test was carried out in a GTEM cell (gigahertz transverse electromagnetic cell) according to the EMC standard IEC 61000-4-20. To obtain a complete overview of the emissions, both C and D bands were included in a single test at the start and stop frequencies 30 MHz and 1 GHz, respectively. Measuring bandwidth of 120 kHz with a 6 dB EMI filter was used.
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