JP6164643B2 - コモンモード伝導妨害波測定装置 - Google Patents
コモンモード伝導妨害波測定装置 Download PDFInfo
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- JP6164643B2 JP6164643B2 JP2013182678A JP2013182678A JP6164643B2 JP 6164643 B2 JP6164643 B2 JP 6164643B2 JP 2013182678 A JP2013182678 A JP 2013182678A JP 2013182678 A JP2013182678 A JP 2013182678A JP 6164643 B2 JP6164643 B2 JP 6164643B2
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- power supply
- line
- electromagnetic field
- electromagnetic
- inner conductor
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- 238000005259 measurement Methods 0.000 title description 7
- 239000004020 conductor Substances 0.000 claims description 53
- 230000005672 electromagnetic field Effects 0.000 claims description 34
- 230000006641 stabilisation Effects 0.000 claims description 15
- 238000011105 stabilization Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000005404 monopole Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
10 電源インピーダンス安定化手段
11 シールドケース
12a 第1コネクタ
12b 第2コネクタ
20 差込プラグ
31a,31b 第1給電ライン
32a,32b 第2給電ライン
40 電磁遮蔽体
41 筐体
42a 第1内部導体
42b 第2内部導体
P1,P2,P3,P4 コネクタ
50 給電部
51 プラグ受け
52a 第1コネクタ
52b 第2コネクタ
60 モノポールアンテナ
Claims (1)
- E線、N線、接地線からなる単相三線式商用交流の給電部に接続されて電力供給を受け、電源ラインを所要の特性インピーダンスに安定化して商用交流電源から電磁雑音を除去し、E線もしくはN線の何れか一方と各々接続される第1給電ラインおよび第2給電ラインから電磁雑音の除去された電源を供給する電源インピーダンス安定化手段と、
前記電源インピーダンス安定化手段の第1給電ラインおよび第2給電ラインを介して供給される電磁雑音の除去された電源を供試装置へ供給する給電部と、
前記電源インピーダンス安定化手段と前記給電部との間に設けられ、外部導体で囲んだ筐体の内部に、第1給電ラインに接続される第1内部導体と第2給電ラインに接続される第2内部導体を有する電磁遮蔽体と、
前記電磁遮蔽体の内部において、第1内部導体に生ずる電磁界と第2内部導体に生ずる電磁界が均等に作用するように配置した電磁界検出手段と、
を備え、
前記給電部より供試装置へ電源供給したとき、第1給電ラインを流れるディファレンシャルモード電流で第1内部導体に発生する電磁界と第2給電ラインを流れるディファレンシャルモード電流によって第2内部導体に発生する電磁界が相補的に打ち消し合うことで電磁界検出手段には作用せず、第1内部導体と第2内部導体を流れるコモンモード電流によって発生する電磁界のみを電磁界検出手段によって検出させ、コモンモード伝導妨害波を測定することを特徴とするコモンモード伝導妨害波測定装置。
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JP2013182678A JP6164643B2 (ja) | 2013-09-04 | 2013-09-04 | コモンモード伝導妨害波測定装置 |
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JP2013182678A JP6164643B2 (ja) | 2013-09-04 | 2013-09-04 | コモンモード伝導妨害波測定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2015049203A JP2015049203A (ja) | 2015-03-16 |
JP6164643B2 true JP6164643B2 (ja) | 2017-07-19 |
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JP2013182678A Expired - Fee Related JP6164643B2 (ja) | 2013-09-04 | 2013-09-04 | コモンモード伝導妨害波測定装置 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114460381A (zh) * | 2022-01-25 | 2022-05-10 | 中国船舶重工集团公司第七二四研究所 | 电机控制器传导敏感度快速评估方法 |
US11828781B2 (en) | 2022-04-29 | 2023-11-28 | 38Th Research Institute, China Electronics Technology Group Corporation | Transmission absorbing structure and antenna in-band characteristics test system |
CN114583428B (zh) * | 2022-04-29 | 2022-07-12 | 中国电子科技集团公司第三十八研究所 | 传输吸波结构和天线带内特性测试系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100574226B1 (ko) * | 2003-11-25 | 2006-04-26 | 한국전자통신연구원 | 티이엠 도파관을 이용한 복사체의 전자파 복사 패턴 및이득 측정 방법 |
JP2006041652A (ja) * | 2004-07-23 | 2006-02-09 | Mitsubishi Electric Corp | 高周波磁界発生装置 |
JP5458883B2 (ja) * | 2007-05-23 | 2014-04-02 | 株式会社村田製作所 | 電子機器のノイズ測定方法 |
JP2009105483A (ja) * | 2007-10-19 | 2009-05-14 | Panasonic Corp | 電力線通信用擬似通信回路網 |
JP2009296798A (ja) * | 2008-06-05 | 2009-12-17 | Fuji Electric Systems Co Ltd | 電力変換装置 |
JP2012134905A (ja) * | 2010-12-24 | 2012-07-12 | Murata Mfg Co Ltd | 受信感度簡易評価システム及びその方法 |
TWI456215B (zh) * | 2012-01-09 | 2014-10-11 | Wistron Neweb Corp | 無線電子裝置之測試設備 |
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