JP4623560B2 - 漏電遮断器 - Google Patents
漏電遮断器 Download PDFInfo
- Publication number
- JP4623560B2 JP4623560B2 JP2004288278A JP2004288278A JP4623560B2 JP 4623560 B2 JP4623560 B2 JP 4623560B2 JP 2004288278 A JP2004288278 A JP 2004288278A JP 2004288278 A JP2004288278 A JP 2004288278A JP 4623560 B2 JP4623560 B2 JP 4623560B2
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- JP
- Japan
- Prior art keywords
- circuit
- phase
- diode bridge
- current
- leakage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003990 capacitor Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 17
- 238000009499 grossing Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
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Description
2 ダイオードブリッジ
3 引外しコイル
4 サイリスタ
5 漏電検出回路
6 零相変流器
7 主接点
8 電源回路
9 電流制限回路
10 第2のダイオードブリッジ
11 平滑コンデンサ
12 定電圧ダイオード
13 抵抗器
14 コンデンサ
15 抵抗器
Claims (1)
- 3相3線式電路の何れか1相が欠相した場合でも前記電路を遮断するための引外しコイルが駆動するように各相に接続したダイオードブリッジの出力に前記引外しコイルを接続し、3相3線式電路に流れる漏洩電流を零相変流器が検出し、前記零相変流器の出力電流が所定値を越えた場合に漏電検出回路が信号を出力してスイッチング素子をオンし、前記引外しコイルを駆動させて前記電路を遮断する漏電遮断器において、前記漏電検出回路に電源を供給する電源回路は、前記3相3線式電路の各相に抵抗器とコンデンサと抵抗器を順に直列接続して前記電路の遮断時に前記コンデンサの放電を前記前後の抵抗器で制限して成る電流制限回路と、該電流制限回路の出力端子に接続される第2のダイオードブリッジと、該第2のダイオードブリッジの出力端子間に並列に接続される平滑コンデンサ及び定電圧ダイオードとで構成したことを特徴とする漏電遮断器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004288278A JP4623560B2 (ja) | 2004-09-30 | 2004-09-30 | 漏電遮断器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004288278A JP4623560B2 (ja) | 2004-09-30 | 2004-09-30 | 漏電遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006107737A JP2006107737A (ja) | 2006-04-20 |
JP4623560B2 true JP4623560B2 (ja) | 2011-02-02 |
Family
ID=36377206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004288278A Expired - Fee Related JP4623560B2 (ja) | 2004-09-30 | 2004-09-30 | 漏電遮断器 |
Country Status (1)
Country | Link |
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JP (1) | JP4623560B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008103085A (ja) * | 2006-10-17 | 2008-05-01 | Fuji Electric Fa Components & Systems Co Ltd | 漏電遮断器 |
JP5166730B2 (ja) * | 2006-12-28 | 2013-03-21 | 河村電器産業株式会社 | 三相漏電遮断器 |
JP4935455B2 (ja) * | 2007-03-27 | 2012-05-23 | 富士電機機器制御株式会社 | 漏電検出装置 |
JP5192777B2 (ja) * | 2007-11-01 | 2013-05-08 | 河村電器産業株式会社 | 3相漏電遮断器 |
RU2482506C2 (ru) * | 2011-08-22 | 2013-05-20 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Устройство избирательного контроля замыкания фазы на корпус в многофазных сетях с изолированной нейтралью |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61280118A (ja) * | 1985-06-04 | 1986-12-10 | Kuroi Electric Ind Co | スイツチ回路 |
JPH0326952U (ja) * | 1989-07-26 | 1991-03-19 | ||
JP2000152488A (ja) * | 1998-11-12 | 2000-05-30 | Toshiba Corp | 負荷制御装置 |
JP2004265644A (ja) * | 2003-02-28 | 2004-09-24 | Kawamura Electric Inc | 3相3線式欠相保護付き回路遮断器 |
-
2004
- 2004-09-30 JP JP2004288278A patent/JP4623560B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61280118A (ja) * | 1985-06-04 | 1986-12-10 | Kuroi Electric Ind Co | スイツチ回路 |
JPH0326952U (ja) * | 1989-07-26 | 1991-03-19 | ||
JP2000152488A (ja) * | 1998-11-12 | 2000-05-30 | Toshiba Corp | 負荷制御装置 |
JP2004265644A (ja) * | 2003-02-28 | 2004-09-24 | Kawamura Electric Inc | 3相3線式欠相保護付き回路遮断器 |
Also Published As
Publication number | Publication date |
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JP2006107737A (ja) | 2006-04-20 |
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