大型電気機器からの電磁雑音測定方法の検討
大型電気機器からの電磁雑音測定方法の検討
カテゴリ: 論文誌(論文単位)
グループ名: 【A】基礎・材料・共通部門
発行日: 2020/12/01
タイトル(英語): Study on Measurement Method of Electromagnetic Interference from Large Electric Equipment
著者名: 五日市 達(東北学院大学工学部),猪狩 好司(東北学院大学工学部),石上 忍(東北学院大学工学部),川又 憲(東北学院大学工学部)
著者名(英語): Tatsuru Itsukaichi (Tohoku Gakuin University), Koji Igari (Tohoku Gakuin University), Shinobu Ishigami (Tohoku Gakuin University), Ken Kawamata (Tohoku Gakuin University)
キーワード: 大規模装置,電磁雑音,測定方法,代替法,CISPR large-scaled equipment,electromagnetic interference,measurement method,alternative method,CISPR
要約(英語): In recent years, measurement methods for large-scale systems composed of multiple devices have been discussed mainly by the CISPR (Comite International Special des Perturbations Radioelectriques) subcommittee B. For example, DC/DC converters, which are component of photovoltaic system, are usually composed of a large number of units, and an AC/DC converter is required for connection to AC power grids. The limits and measurement methods for electromagnetic noise of a DC/DC converter and AC/DC converter are specified in the international standard CISPR 11. Since it is difficult to measure the conducted disturbance of an individual devices in a system composed of multiple devices, another method by measuring the radiated magnetic field should be examined. However, radiation measurement using a turntable in a test site is difficult in a case of large-scaled system. In such cases, an alternative method for radiated emission measurements is required. In this paper, the common-mode current, magnetic field, and electric fields radiated from an equipment under test that assumed a large-scale system consisting of many DC/DC converters and an AC/DC converter are measured and the electromagnetic characteristics are analyzed. By comparing the results of the conventional measurement method and of the proposed alternative method, it was confirmed that the peak frequencies of the spectrum coincided with each other, although the level of the electromagnetic noise was different. As a result, if the relationship between the measurement distance and the emission level was clarified at an appropriate measurement point, it was found that the proposed method was applicable for an alternative measurement method.
本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.140 No.12 (2020) 特集:2019年環境電磁工学国際シンポジウム(EMC Sapporo and APEMC 2019)
本誌掲載ページ: 573-579 p
原稿種別: 論文/日本語
電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/140/12/140_573/_article/-char/ja/
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