scholarly journals A Hybrid Common Mode Choke Optimization Method for Input Line EMI Filter Design

2021 ◽  
Vol 10 (2) ◽  
pp. 56-66
Author(s):  
S. Khelladi ◽  
K. Saci ◽  
A. Hadjadj ◽  
A. Ales
Keyword(s):  
Electromagnetic Compatibility ◽  
Filter Design ◽  
Optimization Method ◽  
Power Converter ◽  
Good Match ◽  
Input Line ◽  
Common Mode ◽  
Magnetic Cores ◽  
Physical Limitations ◽  
Emi Filter

In this paper, an optimization method of toroidal core-based Hybrid common-mode chokes (HCMCs) for the design of an Electromagnetic interferences (EMI) filter is proposed. A dedicated algorithm is developed using MATLAB to characterize compact HCMCs that exhibit effective CommonMode (CM) chokes with optimized leakage inductances by systematic variations in the winding patterns and geometric dimensions of their magnetic cores. It takes into consideration the physical limitations of these components as well as the constraints related to the design of EMI filters. The proposed algorithm allows through a small computational task to propose a variety of configurations for optimal HCMCs. Finite element method (FEM) simulations are conducted on the HCMCs to extract their CM and leakage inductances. The results are compared with those calculated analytically and yield a good match. The performances of optimized HCMCs are evaluated through their implementation in the designed filter. All the cases of HCMCs including the smallest one allow the EMI filter to easily qualify a power converter to an electromagnetic compatibility (EMC) standard.

scholarly journals Reliability of Boost PFC Converters with Improved EMI Filters

Electronics ◽  
2018 ◽  
Vol 7 (12) ◽  
pp. 413 ◽  
Author(s):  
Haoqi Zhu ◽  
Dongliang Liu ◽  
Xu Zhang ◽  
Feng Qu
Keyword(s):  
Electromagnetic Interference ◽  
High Frequency ◽  
Power Converter ◽  
Differential Mode ◽  
Conduction Path ◽  
Common Mode ◽  
Class B ◽  
The Common ◽  
Emi Filter ◽  
Stability Issues

The switching device in a power converter can produce very serious electromagnetic interference (EMI). In order to solve this problem and the associated reliability and stability issues, this article aimed to analyze and model the boost power factor correction (PFC) converter according to the EMI conduction path. The sources of common-mode (CM) and differential-mode (DM) noise of the boost PFC converter were analyzed, and the DM and CM equivalent circuits were deduced. Furthermore, high-frequency modeling of the common-mode inductor was developed using a precise model, and the EMI filter was designed. According to the Class B standard for EMI testing, it is better to restrain the EMI noise in the frequency range (150 kHz to 30 MHz) of the EMI conducted disturbance test. Using this method, a 2.4-kW PFC motor driving supply was designed, and the experimental results validate the analysis.

A Common-Mode Active EMI filter Design for Modular Multilevel Converters

2021 ◽  
Author(s):  
Jianrui Liu ◽  
Dong Jiang ◽  
Wei Sun ◽  
Yechi Zhang ◽  
Jianan Chen
Keyword(s):  
Filter Design ◽  
Multilevel Converters ◽  
Common Mode ◽  
Modular Multilevel Converters ◽  
Emi Filter

scholarly journals New EV Battery Charger PFC Rectifier Front-End Allowing Full Power Delivery in 3-Phase and 1-Phase Operation

Electronics ◽  
2021 ◽  
Vol 10 (17) ◽  
pp. 2069
Author(s):  
Panteleimon Papamanolis ◽  
Dominik Bortis ◽  
Florian Krismer ◽  
David Menzi ◽  
Johann Walter Kolar
Keyword(s):  
Output Power ◽  
Filter Design ◽  
Power Level ◽  
Battery Charger ◽  
Common Mode ◽  
Power Circuit ◽  
Front End ◽  
Class B ◽  
Full Power ◽  
Emi Filter

A new universal front-end PFC rectifier topology of a battery charger for Electric Vehicles (EVs) is proposed, which allows fast charging at rated and/or full power level in case of 3-phase (Europe) as well as 1-phase (USA) mains supply. In this regard, a conventional 3-phase PFC rectifier would facilitate only one-third of the rated power in case of 1-phase operation. The new topology is based on a two-level six-switch (2LB6) 3-phase boost-type PFC rectifier, which is extended with a diode bridge-leg and additional windings of the Common-Mode (CM) chokes of the EMI filter. Besides this extension of the power circuit, the general design of the new converter is explained, and the generated Differential Mode (DM) and Common Mode (CM) EMI disturbances are investigated for 3-phase and 1-phase operation, resulting in guidelines for the EMI filter design. The EMI performance (CISPR 11 class-B QP) is experimentally verified for 1-phase and 3-phase operation at an output power of 4.5 kW, using a full-scale hardware prototype that implements the proposed extensions for a 2LB6 3-phase boost-type PFC rectifier and that is designed for output power levels of 22 kW and 19 kW in case of 3-phase and 1-phase operation, respectively. Compared to a conventional 2LB6 PFC rectifier, the volume of the extended system increases from 2.7 dm3 to 3.4 dm3, of which 0.5 dm3 is due to the additional dc-link capacitance for buffering the power pulsation with twice the mains frequency occurring for 1-phase operation.

Common Mode EMI Filter Design for Si and SiC Inverters in an Aerospace Drive System

2019 ◽  
Author(s):  
William Perdikakis ◽  
Mark Scott ◽  
Chase Kitzmiller ◽  
Bailey Hall ◽  
Kevin J. Yost ◽  
...  
Keyword(s):  
Filter Design ◽  
Drive System ◽  
Common Mode ◽  
Emi Filter
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