High-Frequency Characterization and Modeling of EMI Filters Under Temperature Variations

Hami, Fahim; Boulzazen, Habib; Kadi, Moncef

doi:10.1109/temc.2017.2679700

Cited by 12 publications

(5 citation statements)

References 11 publications

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“…The structure and values of passive components are determined by the measurement results. However, the inductances and capacitances in filters are prone to ageing under the influence of temperature [105], [106], thus reducing the performance and efficiency of the filters over time. Furthermore, the ageing of the motor and its drive also result in some shifts in the EMI spectrum, which exacerbates the deterioration of EMI filters.…”

Section: Discussion On Future Development Of Emi Suppression Methodsmentioning

confidence: 99%

A Review on Conductive Common-Mode EMI Suppression Methods in Inverter Fed Motor Drives

Zhang

Chen

et al. 2021

IEEE Access

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The impact of electromagnetic interference (EMI) is an increasingly important aspect of the performance of switching inverters. The challenges of managing EMI continue to grow with the emergence of wide bandgap (WBG) devices, the trend towards ever-greater integration and higher power rating. This paper reviews suppression methods for the conductive common-mode (CM) EMI in inverter fed motor drives. In order to span EMI suppression across the full system design process, the review considers both mitigation from the sources and suppression along the conduction paths. Furthermore, the shortcomings and merits of the reviewed publications are discussed, and their attenuation frequency range and attenuation level are compared. It is demonstrated that the CM EMI at low frequency is mainly determined by the PWM strategies and can be reduced or even theoretically eliminated through zero common-mode control. On the other hand, the CM EMI at high frequency is markedly influenced by the switching transients of the power devices. Thus, various drive circuits are reviewed which improve the switching behavior. Finally, the deployment of passive and active filters to suppress or compensate for the EMI is discussed.INDEX TERMS Conductive EMI, EMI sources, inverter fed motor drives, propagation paths.

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Section: Discussion On Future Development Of Emi Suppression Methodsmentioning

confidence: 99%

A Review on Conductive Common-Mode EMI Suppression Methods in Inverter Fed Motor Drives

Zhang

Chen

et al. 2021

IEEE Access

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“…The design of high-frequency EMI filters has become important in suppressing high-frequency EMI. Currently, there are two types of high-frequency EMI filter models: equivalent circuit models [101,102] and electromagnetic models [103,104]. With the development of artificial intelligence (AI) technology, optimizing filters based on AI are becoming a new research issue.…”

Section: Emi Filter Optimizationmentioning

confidence: 99%

A survey of conductive and radiated EMI reduction techniques in power electronics converters across wide‐bandgap devices

Tong

et al. 2023

IET Power Electronics

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Nowadays, wide‐bandgap (WBG) devices, primarily made from silicon carbide (SiC) and gallium nitride (GaN), are widely applied in power generation, transmission, and conversion. Moreover, the application of WBG devices has had a transformative impact in the field of energy conversion. Compared with Si counterparts, SiC and GaN can remarkably improve the power conversion system efficiency and power density while generating higher electromagnetic interference (EMI) emissions. There are many studies on WBG devices and their behaviour in power systems. However, methods of mitigating EMI/electromagnetic compatibility (EMC) still lack scientific guidance. This article reviews the characteristics of WBG devices, and the significant EMI problems are discussed. Then, the EMI types, EMI causes, and methods of EMI reduction are summarized, and the advantages and disadvantages of these methods are presented as well. Based on the reviewed studies, future research, and the conclusions of this article on EMI/EMC are discussed to help relevant researchers deepen their understanding of the new challenges of EMI brought by the applications of WBG devices, which are useful in engineering.

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“…on identifying and quantifying the physical mechanisms leading to changes in the attenuation of CMCs and EMI filters by analyzing the effect of conductive strips placed close to the CMC on the attenuation provided by CMCmounted EMI filters [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Section: De Algorithm In the Emi Filter High Frequency Modeling A De ...mentioning

confidence: 99%

“…The parameters in the CMC high-frequency model have been extracted by impedance measurement and combined with an iterative rational function approximation fitting algorithm. There have been studies on identifying and quantifying the physical mechanisms leading to changes in the attenuation of CMCs and EMI filters by analyzing the effect of conductive strips placed close to the CMC on the attenuation provided by CMC-mounted EMI filters [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Study of High Frequency Characteristics Modeling and EMI Suppression of Common Mode Chokes

Pei

Yan

et al. 2023

ACES Journal

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This paper proposes a method for building a high-frequency model of common-mode chokes in the frequency range of 9kHz to 200MHz. The method only needs to measure the common mode and differential mode impedance data of the common mode choke, and then use the differential evolution algorithm to process the impedance data to complete its high-frequency modeling. Comparison with the high-frequency model obtained by using a genetic algorithm shows that the method has high accuracy. After the high frequency modeling of the common mode chokes, the high frequency modeling of the X and Y capacitors is performed using the differential evolution algorithm, and the high frequency model of the EMI filter is obtained by combining it with the established high frequency model of common mode chokes. By comparing the measured and simulated conducted interference noise suppression effect of the EMI filter, the high frequency model of the common mode chokes is verified to suppress the conducted interference, and the effectiveness of the common mode choke high frequency modeling method is determined.

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High-Frequency Characterization and Modeling of EMI Filters Under Temperature Variations

Cited by 12 publications

References 11 publications

A Review on Conductive Common-Mode EMI Suppression Methods in Inverter Fed Motor Drives

A Review on Conductive Common-Mode EMI Suppression Methods in Inverter Fed Motor Drives

A survey of conductive and radiated EMI reduction techniques in power electronics converters across wide‐bandgap devices

Study of High Frequency Characteristics Modeling and EMI Suppression of Common Mode Chokes

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