JP2005110445A - モータ保護装置の自動復帰方法 - Google Patents
モータ保護装置の自動復帰方法 Download PDFInfo
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- JP2005110445A JP2005110445A JP2003342887A JP2003342887A JP2005110445A JP 2005110445 A JP2005110445 A JP 2005110445A JP 2003342887 A JP2003342887 A JP 2003342887A JP 2003342887 A JP2003342887 A JP 2003342887A JP 2005110445 A JP2005110445 A JP 2005110445A
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- Prior art keywords
- motor
- overload
- thermal relay
- time
- protective device
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- 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.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/07—Details with automatic reconnection and with permanent disconnection after a predetermined number of reconnection cycles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
Abstract
【解決手段】 モータブレーカーとサーマルリレーとを含むモータ保護装置の自動復帰方法であり、サーマルリレー4が過負荷遮断を行ったときから設定時間内における過負荷遮断の回数が設定回数までは、モータ巻線の冷却に必要な時間の経過後にサーマルリレー4を自動復帰させる動作を繰り返す。このためライン休止を防止できる。しかし設定時間内の過負荷遮断の回数が設定回数を越えたときには、重故障として自動復帰機能を停止させ、モータの焼損を防止する。
【選択図】 図2
Description
2 モータブレーカー
3 運転接触器
4 サーマルリレー
5 モータ保護装置
6 自動復帰部
7 カウンター
8 タイマー
9 演算部
10 復帰操作
Claims (3)
- モータブレーカーとサーマルリレーとを含むモータ保護装置の自動復帰方法であって、サーマルリレーが過負荷遮断を行ったときから設定時間内における過負荷遮断の回数が設定回数までは、モータ巻線の冷却に必要な時間の経過後にサーマルリレーを自動復帰させる動作を繰り返すが、設定時間内の過負荷遮断の回数が設定回数を越えたときには、重故障として自動復帰機能を停止させることを特徴とするモータ保護装置の自動復帰方法。
- サーマルリレーが過負荷遮断を行ったときから設定時間内の過負荷遮断回数が設定回数を越えない場合には、最終の過負荷遮断から設定時間のカウントを行うことを特徴とする請求項1記載のモータ保護装置の自動復帰方法。
- 重故障が発生した場合のリセットはモータ電源を管理する電気室において行うことを特徴とする請求項1記載のモータ保護装置の自動復帰方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003342887A JP3930845B2 (ja) | 2003-10-01 | 2003-10-01 | モータ保護装置の自動復帰方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003342887A JP3930845B2 (ja) | 2003-10-01 | 2003-10-01 | モータ保護装置の自動復帰方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005110445A true JP2005110445A (ja) | 2005-04-21 |
JP3930845B2 JP3930845B2 (ja) | 2007-06-13 |
Family
ID=34537014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003342887A Expired - Fee Related JP3930845B2 (ja) | 2003-10-01 | 2003-10-01 | モータ保護装置の自動復帰方法 |
Country Status (1)
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JP (1) | JP3930845B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100745020B1 (ko) | 2005-12-26 | 2007-08-02 | 주식회사 케이디파워 | 모터 이중 보호 장치 및 그 방법 |
JP2009159750A (ja) * | 2007-12-27 | 2009-07-16 | Panasonic Corp | モータの異常検出装置 |
JP2012244691A (ja) * | 2011-05-17 | 2012-12-10 | Honda Motor Co Ltd | インバータ発電機の制御装置 |
JP2013123332A (ja) * | 2011-12-12 | 2013-06-20 | Toshiba Mitsubishi-Electric Industrial System Corp | 高速充電システム |
JP2014171364A (ja) * | 2013-03-05 | 2014-09-18 | Yanmar Co Ltd | 電源回路監視システム |
EP3525307A1 (en) * | 2018-02-07 | 2019-08-14 | Goodrich Corporation | Fault interrupt module |
-
2003
- 2003-10-01 JP JP2003342887A patent/JP3930845B2/ja not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100745020B1 (ko) | 2005-12-26 | 2007-08-02 | 주식회사 케이디파워 | 모터 이중 보호 장치 및 그 방법 |
JP2009159750A (ja) * | 2007-12-27 | 2009-07-16 | Panasonic Corp | モータの異常検出装置 |
JP2012244691A (ja) * | 2011-05-17 | 2012-12-10 | Honda Motor Co Ltd | インバータ発電機の制御装置 |
JP2013123332A (ja) * | 2011-12-12 | 2013-06-20 | Toshiba Mitsubishi-Electric Industrial System Corp | 高速充電システム |
JP2014171364A (ja) * | 2013-03-05 | 2014-09-18 | Yanmar Co Ltd | 電源回路監視システム |
EP3525307A1 (en) * | 2018-02-07 | 2019-08-14 | Goodrich Corporation | Fault interrupt module |
Also Published As
Publication number | Publication date |
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JP3930845B2 (ja) | 2007-06-13 |
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