Analysis and Suppression of Common-mode EMI in Three-phase Vienna PFC Circuit

Zhao, Zifeng; Chen, Wenjie; Dai, Liyu

doi:10.1109/peac.2018.8590307

Cited by 1 publication

(2 citation statements)

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“…Furthermore, if the CM current is not distributed symmetrically among the three phases due to the difference in impedances of the three phases to earth, then the per phase current expression will deviate from (5). If the CM current in phase 1 deviates by ∆i from the current i 0 of the two other phases, according to (1), the resulting CM current is given by:…”

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confidence: 99%

“…The recent research trend in the emerging fields of high-density power electronics, such as avionics, space or marine applications, has imposed new design challenges to make the modern AC-DC rectifier systems, like active boost Power Factor Correction (PFC) converters, comply with the stringent requirements in terms of efficiency, reliability, volume, weight, line harmonics and, finally, EMI [1][2][3][4][5]. Moreover, as the industry demands more power dense converters with lighter weight and volume, the switching frequency of the converter must be increased in order to lower the passive component volume.…”

Section: Introductionmentioning

confidence: 99%

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A Comprehensive Review of EMI Filter Network Architectures: Synthesis, Optimization and Comparison

Dey

Mallik

2021

Electronics

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This paper presents a volumetric comparison among three possible optimized three phase EMI filter structures, a three phase PFC converter used in cutting edge applications, such as avionics, space or shipboard power systems. The size minimization of each of the filter structures, described in the paper, was performed utilizing the volumetric optimization methodology proposed in the paper. This paper theoretically demonstrates the design steps for choosing the appropriate filter component values and number of filter stages to achieve the smallest volume of the DM filter stage for any given EMI filter structure. While the validation of the proposed design methodology was done through a MATLAB simulation, an experimental verification was also performed by designing and comparing the optimized EMI filter structures for a 2.3 kW proof-of-concept of a three-phase boost PFC converter for more electric aircraft (MEA) applications to comply with the stringent EMI requirements of the DO-160F standard.

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confidence: 99%