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Visualization of Noise Propagation Paths for Noise Filter in Power Converter Using Sensitivity Analysis

Research Project

Project/Area Number 22K14248
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 21010:Power engineering-related
Research InstitutionKwansei Gakuin University

Principal Investigator

Nomura Katsuya  関西学院大学, 工学部, 専任講師 (30581425)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2023: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2022: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywords感度解析 / ノイズフィルタ / 可視化 / 寄生成分 / 電界結合 / 磁界結合 / 電力変換器
Outline of Research at the Start

本研究では、電力変換器用ノイズフィルタの設計支援方法確立にむけて、感度解析を用いたノイズ伝播経路可視化の実現を目的とする。
1年目で主要なノイズ経路が既知の事例で検証を行い、2年目で主要経路が未知の事例での検証および可視化結果に基づく設計・対策指針の体系化を行う。

Outline of Final Research Achievements

In this research, a technique has been developed that visualizes noise propagation paths in noise filters for power converters using sensitivity, which reflects the impact of physical properties like magnetic permeability and dielectric permittivity on S-parameter. This technique enables straightforward identification of previously hard-to-detect noise propagation due to electric and magnetic field coupling. It also allows for pinpointing factors and their locations that negatively impact noise performance, such as the parasitic capacitance in coils and the parasitic inductance of conductor patterns.

Academic Significance and Societal Importance of the Research Achievements

これまでは電磁界シミュレーションによって、対象構造における任意の場所での電界や磁界の大きさを把握することはできたが、最終的な性能に影響を与える要因や領域を把握することは困難であった。本研究成果によって、性能に対して支配的な影響をもつ領域や要因を直接的に可視化できるようになったため、新たなノイズ解析手法を確立したという学術的意義を有するとともに、製品設計を円滑に進められるという社会的意義を有する。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (1 results)

All 2024

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results)

  • [Journal Article] Magnetic Coupling Visualization Using Sensitivity to Magnetic Permeability2024

    • Author(s)
      Nomura Katsuya
    • Journal Title

      IEEE Transactions on Electromagnetic Compatibility

      Volume: 66 Issue: 1 Pages: 324-327

    • DOI

      10.1109/temc.2023.3344887

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access

URL: 

Published: 2022-04-19   Modified: 2025-01-30  

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