3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Autoren

  • Mohammad Ali
  • Jens Friebe
  • Axel Mertens
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Details

OriginalspracheEnglisch
Titel des SammelwerksProceedings of the Energy Conversion Congress and Exposition - Asia, 2021
Untertitel(ECCE Asia 2021), 24–27 May 2021 Singapore
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
Seiten1299-1305
Seitenumfang7
ISBN (elektronisch)9781728163444
PublikationsstatusVeröffentlicht - 2021
Veranstaltung12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021 - Virtual, Singapore, Singapur
Dauer: 24 Mai 202127 Mai 2021

Publikationsreihe

NameProceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021

Abstract

This paper presents a calculation of self-inductance and mutual couplings between EMI capacitors based on analytical equations and 3D simulation (Finite Element Method (FEM) and Method of Moments (MoM)). The analytical results are validated using numerical results. As an internal structure of a real capacitor is quite complex, in 3D simulation, a model of a capacitor is based on the same external geometrical properties. The self-inductance and the mutual couplings are calculated as a function of external geometrical properties, their orientations, and distances between them. The influence of parasitics such as magnetic couplings, PCB trace inductances between DM capacitors, and ground trace inductances of CM capacitors on the DM and CM attenuation are analyzed using numerical and experimental methods. Besides, the impact of the PCB layout on the magnetic coupling is analyzed. The parasitic reduction (Opposite Current Direction - OCD) technique between two DM capacitors is investigated considering parasitics of PCB traces and magnetic couplings among them as well as their possibilities are identified. The numerical results are verified by the measurement results.

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3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors. / Ali, Mohammad; Friebe, Jens; Mertens, Axel.
Proceedings of the Energy Conversion Congress and Exposition - Asia, 2021: (ECCE Asia 2021), 24–27 May 2021 Singapore. Institute of Electrical and Electronics Engineers Inc., 2021. S. 1299-1305 9479282 (Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021).

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Ali, M, Friebe, J & Mertens, A 2021, 3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors. in Proceedings of the Energy Conversion Congress and Exposition - Asia, 2021: (ECCE Asia 2021), 24–27 May 2021 Singapore., 9479282, Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021, Institute of Electrical and Electronics Engineers Inc., S. 1299-1305, 12th IEEE Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021, Virtual, Singapore, Singapur, 24 Mai 2021. https://doi.org/10.1109/ECCE-Asia49820.2021.9479282
Ali, M., Friebe, J., & Mertens, A. (2021). 3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors. In Proceedings of the Energy Conversion Congress and Exposition - Asia, 2021: (ECCE Asia 2021), 24–27 May 2021 Singapore (S. 1299-1305). Artikel 9479282 (Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE-Asia49820.2021.9479282
Ali M, Friebe J, Mertens A. 3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors. in Proceedings of the Energy Conversion Congress and Exposition - Asia, 2021: (ECCE Asia 2021), 24–27 May 2021 Singapore. Institute of Electrical and Electronics Engineers Inc. 2021. S. 1299-1305. 9479282. (Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021). doi: 10.1109/ECCE-Asia49820.2021.9479282
Ali, Mohammad ; Friebe, Jens ; Mertens, Axel. / 3-D Electromagnetic Modeling and Analysis of Electromagnetic Field Couplings of EMI Filter Capacitors. Proceedings of the Energy Conversion Congress and Exposition - Asia, 2021: (ECCE Asia 2021), 24–27 May 2021 Singapore. Institute of Electrical and Electronics Engineers Inc., 2021. S. 1299-1305 (Proceedings of the Energy Conversion Congress and Exposition - Asia, ECCE Asia 2021).
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abstract = "This paper presents a calculation of self-inductance and mutual couplings between EMI capacitors based on analytical equations and 3D simulation (Finite Element Method (FEM) and Method of Moments (MoM)). The analytical results are validated using numerical results. As an internal structure of a real capacitor is quite complex, in 3D simulation, a model of a capacitor is based on the same external geometrical properties. The self-inductance and the mutual couplings are calculated as a function of external geometrical properties, their orientations, and distances between them. The influence of parasitics such as magnetic couplings, PCB trace inductances between DM capacitors, and ground trace inductances of CM capacitors on the DM and CM attenuation are analyzed using numerical and experimental methods. Besides, the impact of the PCB layout on the magnetic coupling is analyzed. The parasitic reduction (Opposite Current Direction - OCD) technique between two DM capacitors is investigated considering parasitics of PCB traces and magnetic couplings among them as well as their possibilities are identified. The numerical results are verified by the measurement results.",
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AU - Ali, Mohammad

AU - Friebe, Jens

AU - Mertens, Axel

N1 - Funding Information: This work was supported as IGF Project (AiF 19236 N/1) via AiF and FVA by the German Ministry of Economic Affairs and Energy (BMWi), based on a decision by the German Bundestag.

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Y1 - 2021

N2 - This paper presents a calculation of self-inductance and mutual couplings between EMI capacitors based on analytical equations and 3D simulation (Finite Element Method (FEM) and Method of Moments (MoM)). The analytical results are validated using numerical results. As an internal structure of a real capacitor is quite complex, in 3D simulation, a model of a capacitor is based on the same external geometrical properties. The self-inductance and the mutual couplings are calculated as a function of external geometrical properties, their orientations, and distances between them. The influence of parasitics such as magnetic couplings, PCB trace inductances between DM capacitors, and ground trace inductances of CM capacitors on the DM and CM attenuation are analyzed using numerical and experimental methods. Besides, the impact of the PCB layout on the magnetic coupling is analyzed. The parasitic reduction (Opposite Current Direction - OCD) technique between two DM capacitors is investigated considering parasitics of PCB traces and magnetic couplings among them as well as their possibilities are identified. The numerical results are verified by the measurement results.

AB - This paper presents a calculation of self-inductance and mutual couplings between EMI capacitors based on analytical equations and 3D simulation (Finite Element Method (FEM) and Method of Moments (MoM)). The analytical results are validated using numerical results. As an internal structure of a real capacitor is quite complex, in 3D simulation, a model of a capacitor is based on the same external geometrical properties. The self-inductance and the mutual couplings are calculated as a function of external geometrical properties, their orientations, and distances between them. The influence of parasitics such as magnetic couplings, PCB trace inductances between DM capacitors, and ground trace inductances of CM capacitors on the DM and CM attenuation are analyzed using numerical and experimental methods. Besides, the impact of the PCB layout on the magnetic coupling is analyzed. The parasitic reduction (Opposite Current Direction - OCD) technique between two DM capacitors is investigated considering parasitics of PCB traces and magnetic couplings among them as well as their possibilities are identified. The numerical results are verified by the measurement results.

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KW - Electromagnetic Interference (EMI)

KW - Mutual Coupling

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